<?xml version="1.0" encoding="UTF-8"?>

<!--XBRL Document Created with the Workiva Platform-->
<!--Copyright 2024 Workiva-->
<!--r:f3c27c7c-04c6-4e00-b1c5-35986741ba79,g:ec8c3aef-9529-44b6-a559-1ba3c4d2c0cb-->
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:tx="http://www.ternium.com/20231231" xmlns:xbrli="http://www.xbrl.org/2003/instance" xmlns:dtr-types1="http://www.xbrl.org/dtr/type/2020-01-21" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xmlns:dtr-types="http://www.xbrl.org/dtr/type/2022-03-31" attributeFormDefault="unqualified" elementFormDefault="qualified" targetNamespace="http://www.ternium.com/20231231">
  <xs:import namespace="http://fasb.org/srt/2023" schemaLocation="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd"/>
  <xs:import namespace="http://www.w3.org/1999/xlink" schemaLocation="http://www.xbrl.org/2003/xlink-2003-12-31.xsd"/>
  <xs:import namespace="http://www.xbrl.org/2003/instance" schemaLocation="http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd"/>
  <xs:import namespace="http://www.xbrl.org/2003/linkbase" schemaLocation="http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd"/>
  <xs:import namespace="http://www.xbrl.org/dtr/type/2020-01-21" schemaLocation="https://www.xbrl.org/dtr/type/2020-01-21/types.xsd"/>
  <xs:import namespace="http://www.xbrl.org/dtr/type/2022-03-31" schemaLocation="https://www.xbrl.org/dtr/type/2022-03-31/types.xsd"/>
  <xs:import namespace="http://xbrl.org/2005/xbrldt" schemaLocation="http://www.xbrl.org/2005/xbrldt-2005.xsd"/>
  <xs:import namespace="http://xbrl.sec.gov/country/2023" schemaLocation="https://xbrl.sec.gov/country/2023/country-2023.xsd"/>
  <xs:import namespace="http://xbrl.sec.gov/currency/2023" schemaLocation="https://xbrl.sec.gov/currency/2023/currency-2023.xsd"/>
  <xs:import namespace="http://xbrl.sec.gov/dei/2023" schemaLocation="https://xbrl.sec.gov/dei/2023/dei-2023.xsd"/>
  <xs:import namespace="https://xbrl.ifrs.org/taxonomy/2023-03-23/ifrs-full" schemaLocation="https://xbrl.ifrs.org/taxonomy/2023-03-23/full_ifrs/full_ifrs-cor_2023-03-23.xsd"/>
  <xs:annotation>
    <xs:appinfo>
      <link:linkbaseRef xmlns:xlink="http://www.w3.org/1999/xlink" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="tx-20231231_pre.xml" xlink:role="http://www.xbrl.org/2003/role/presentationLinkbaseRef" xlink:type="simple"/>
      <link:linkbaseRef xmlns:xlink="http://www.w3.org/1999/xlink" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="tx-20231231_def.xml" xlink:role="http://www.xbrl.org/2003/role/definitionLinkbaseRef" xlink:type="simple"/>
      <link:linkbaseRef xmlns:xlink="http://www.w3.org/1999/xlink" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="tx-20231231_lab.xml" xlink:role="http://www.xbrl.org/2003/role/labelLinkbaseRef" xlink:type="simple"/>
      <link:linkbaseRef xmlns:xlink="http://www.w3.org/1999/xlink" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="tx-20231231_cal.xml" xlink:role="http://www.xbrl.org/2003/role/calculationLinkbaseRef" xlink:type="simple"/>
      <link:roleType id="CoverPage" roleURI="http://www.ternium.com/role/CoverPage">
        <link:definition>0000001 - Document - Cover Page</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="AuditInformation" roleURI="http://www.ternium.com/role/AuditInformation">
        <link:definition>0000002 - Document - Audit Information</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ConsolidatedIncomeStatements" roleURI="http://www.ternium.com/role/ConsolidatedIncomeStatements">
        <link:definition>0000003 - Statement - Consolidated Income Statements</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ConsolidatedIncomeStatements_1" roleURI="http://www.ternium.com/role/ConsolidatedIncomeStatements_1">
        <link:definition>0000003 - Statement - Consolidated Income Statements</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ConsolidatedStatementsofComprehensiveIncome" roleURI="http://www.ternium.com/role/ConsolidatedStatementsofComprehensiveIncome">
        <link:definition>0000004 - Statement - Consolidated Statements of Comprehensive Income</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ConsolidatedStatementsofComprehensiveIncome_1" roleURI="http://www.ternium.com/role/ConsolidatedStatementsofComprehensiveIncome_1">
        <link:definition>0000004 - Statement - Consolidated Statements of Comprehensive Income</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ConsolidatedStatementsofFinancialPosition" roleURI="http://www.ternium.com/role/ConsolidatedStatementsofFinancialPosition">
        <link:definition>0000005 - Statement - Consolidated Statements of Financial Position</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ConsolidatedStatementsofChangesinEquity" roleURI="http://www.ternium.com/role/ConsolidatedStatementsofChangesinEquity">
        <link:definition>0000006 - Statement - Consolidated Statements of Changes in Equity</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ConsolidatedStatementsofCashFlows" roleURI="http://www.ternium.com/role/ConsolidatedStatementsofCashFlows">
        <link:definition>0000007 - Statement - Consolidated Statements of Cash Flows</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ConsolidatedStatementsofChangesinEquityParenthetical" roleURI="http://www.ternium.com/role/ConsolidatedStatementsofChangesinEquityParenthetical">
        <link:definition>0000008 - Statement - Consolidated Statements of Changes in Equity - Parenthetical</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ConsolidatedStatementsofCashFlowsParenthetical" roleURI="http://www.ternium.com/role/ConsolidatedStatementsofCashFlowsParenthetical">
        <link:definition>0000009 - Statement - Consolidated Statements of Cash Flows - Parenthetical</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="GENERALINFORMATION" roleURI="http://www.ternium.com/role/GENERALINFORMATION">
        <link:definition>0000010 - Disclosure - GENERAL INFORMATION</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="BASISOFPRESENTATION" roleURI="http://www.ternium.com/role/BASISOFPRESENTATION">
        <link:definition>0000011 - Disclosure - BASIS OF PRESENTATION</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ACQUISITIONOFBUSINESSINCREASEOFTHEPARTICIPATIONINUSIMINASCONTROLGROUPANDNEWGOVERNANCESTRUCTUREOFUSIMINAS" roleURI="http://www.ternium.com/role/ACQUISITIONOFBUSINESSINCREASEOFTHEPARTICIPATIONINUSIMINASCONTROLGROUPANDNEWGOVERNANCESTRUCTUREOFUSIMINAS">
        <link:definition>0000012 - Disclosure - ACQUISITION OF BUSINESS &#8211; INCREASE OF THE PARTICIPATION IN USIMINAS CONTROL GROUP AND NEW GOVERNANCE STRUCTURE OF USIMINAS</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ACCOUNTINGPOLICIES" roleURI="http://www.ternium.com/role/ACCOUNTINGPOLICIES">
        <link:definition>0000013 - Disclosure - ACCOUNTING POLICIES</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SEGMENTINFORMATION" roleURI="http://www.ternium.com/role/SEGMENTINFORMATION">
        <link:definition>0000014 - Disclosure - SEGMENT INFORMATION</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="COSTOFSALES" roleURI="http://www.ternium.com/role/COSTOFSALES">
        <link:definition>0000015 - Disclosure - COST OF SALES</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SELLINGGENERALANDADMINISTRATIVEEXPENSES" roleURI="http://www.ternium.com/role/SELLINGGENERALANDADMINISTRATIVEEXPENSES">
        <link:definition>0000016 - Disclosure - SELLING, GENERAL AND ADMINISTRATIVE EXPENSES</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="LABORCOSTSIncludedCostofsalesandSellingGeneralandAdministrativeexpenses" roleURI="http://www.ternium.com/role/LABORCOSTSIncludedCostofsalesandSellingGeneralandAdministrativeexpenses">
        <link:definition>0000017 - Disclosure - LABOR COSTS (Included Cost of sales and Selling, General and Administrative expenses)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="OTHEROPERATINGINCOMEEXPENSESNET" roleURI="http://www.ternium.com/role/OTHEROPERATINGINCOMEEXPENSESNET">
        <link:definition>0000018 - Disclosure - OTHER OPERATING INCOME (EXPENSES), NET</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="OTHERFINANCIALINCOMEEXPENSESNET" roleURI="http://www.ternium.com/role/OTHERFINANCIALINCOMEEXPENSESNET">
        <link:definition>0000019 - Disclosure - OTHER FINANCIAL INCOME (EXPENSES), NET</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="INCOMETAXEXPENSE" roleURI="http://www.ternium.com/role/INCOMETAXEXPENSE">
        <link:definition>0000020 - Disclosure - INCOME TAX EXPENSE</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="PROPERTYPLANTANDEQUIPMENTNET" roleURI="http://www.ternium.com/role/PROPERTYPLANTANDEQUIPMENTNET">
        <link:definition>0000021 - Disclosure - PROPERTY, PLANT AND EQUIPMENT, NET</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="INTANGIBLEASSETSNET" roleURI="http://www.ternium.com/role/INTANGIBLEASSETSNET">
        <link:definition>0000022 - Disclosure - INTANGIBLE ASSETS, NET</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="INVESTMENTSINNONCONSOLIDATEDCOMPANIES" roleURI="http://www.ternium.com/role/INVESTMENTSINNONCONSOLIDATEDCOMPANIES">
        <link:definition>0000023 - Disclosure - INVESTMENTS IN NON-CONSOLIDATED COMPANIES</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="RECEIVABLESNETNONCURRENTANDCURRENT" roleURI="http://www.ternium.com/role/RECEIVABLESNETNONCURRENTANDCURRENT">
        <link:definition>0000024 - Disclosure - RECEIVABLES, NET - NON CURRENT AND CURRENT</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="TRADERECEIVABLESNETNONCURRENTANDCURRENT" roleURI="http://www.ternium.com/role/TRADERECEIVABLESNETNONCURRENTANDCURRENT">
        <link:definition>0000025 - Disclosure - TRADE RECEIVABLES, NET - NON CURRENT AND CURRENT</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="INVENTORIESNET" roleURI="http://www.ternium.com/role/INVENTORIESNET">
        <link:definition>0000026 - Disclosure - INVENTORIES, NET</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CASHCASHEQUIVALENTSANDOTHERINVESTMENTSNONCURRENTANDCURRENT" roleURI="http://www.ternium.com/role/CASHCASHEQUIVALENTSANDOTHERINVESTMENTSNONCURRENTANDCURRENT">
        <link:definition>0000027 - Disclosure - CASH, CASH EQUIVALENTS AND OTHER INVESTMENTS - NON CURRENT AND CURRENT</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ALLOWANCESANDPROVISIONSNONCURRENTANDCURRENT" roleURI="http://www.ternium.com/role/ALLOWANCESANDPROVISIONSNONCURRENTANDCURRENT">
        <link:definition>0000028 - Disclosure - ALLOWANCES AND PROVISIONS - NON CURRENT AND CURRENT</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="DEFERREDINCOMETAX" roleURI="http://www.ternium.com/role/DEFERREDINCOMETAX">
        <link:definition>0000029 - Disclosure - DEFERRED INCOME TAX</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="OTHERLIABILITIESNONCURRENTANDCURRENT" roleURI="http://www.ternium.com/role/OTHERLIABILITIESNONCURRENTANDCURRENT">
        <link:definition>0000030 - Disclosure - OTHER LIABILITIES - NON CURRENT AND CURRENT</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="DERIVATIVEFINANCIALINSTRUMENTS" roleURI="http://www.ternium.com/role/DERIVATIVEFINANCIALINSTRUMENTS">
        <link:definition>0000031 - Disclosure - DERIVATIVE FINANCIAL INSTRUMENTS</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="LEASELIABILITIES" roleURI="http://www.ternium.com/role/LEASELIABILITIES">
        <link:definition>0000032 - Disclosure - LEASE LIABILITIES</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="BORROWINGS" roleURI="http://www.ternium.com/role/BORROWINGS">
        <link:definition>0000033 - Disclosure - BORROWINGS</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CONTINGENCIESCOMMITMENTSANDRESTRICTIONSONTHEDISTRIBUTIONOFPROFITS" roleURI="http://www.ternium.com/role/CONTINGENCIESCOMMITMENTSANDRESTRICTIONSONTHEDISTRIBUTIONOFPROFITS">
        <link:definition>0000034 - Disclosure - CONTINGENCIES, COMMITMENTS AND RESTRICTIONS ON THE DISTRIBUTION OF PROFITS</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="RELATEDPARTYTRANSACTIONS" roleURI="http://www.ternium.com/role/RELATEDPARTYTRANSACTIONS">
        <link:definition>0000035 - Disclosure - RELATED PARTY TRANSACTIONS</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="OTHERREQUIREDDISCLOSURES" roleURI="http://www.ternium.com/role/OTHERREQUIREDDISCLOSURES">
        <link:definition>0000036 - Disclosure - OTHER REQUIRED DISCLOSURES</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="RECENTLYISSUEDACCOUNTINGPRONOUNCEMENTS" roleURI="http://www.ternium.com/role/RECENTLYISSUEDACCOUNTINGPRONOUNCEMENTS">
        <link:definition>0000037 - Disclosure - RECENTLY ISSUED ACCOUNTING PRONOUNCEMENTS</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="FINANCIALRISKMANAGEMENT" roleURI="http://www.ternium.com/role/FINANCIALRISKMANAGEMENT">
        <link:definition>0000038 - Disclosure - FINANCIAL RISK MANAGEMENT</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="THECOVID19PANDEMICANDITSIMPACTONTERNIUM" roleURI="http://www.ternium.com/role/THECOVID19PANDEMICANDITSIMPACTONTERNIUM">
        <link:definition>0000039 - Disclosure - THE COVID-19 PANDEMIC AND ITS IMPACT ON TERNIUM</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="FOREIGNEXCHANGERESTRICTIONSINARGENTINA" roleURI="http://www.ternium.com/role/FOREIGNEXCHANGERESTRICTIONSINARGENTINA">
        <link:definition>0000040 - Disclosure - FOREIGN EXCHANGE RESTRICTIONS IN ARGENTINA</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="TERNIUMTOINTEGRATEOPERATIONSINTHEUSMCA" roleURI="http://www.ternium.com/role/TERNIUMTOINTEGRATEOPERATIONSINTHEUSMCA">
        <link:definition>0000041 - Disclosure - TERNIUM TO INTEGRATE OPERATIONS IN THE USMCA</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ACCOUNTINGPOLICIESPolicies" roleURI="http://www.ternium.com/role/ACCOUNTINGPOLICIESPolicies">
        <link:definition>9954471 - Disclosure - ACCOUNTING POLICIES (Policies)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="BASISOFPRESENTATIONTables" roleURI="http://www.ternium.com/role/BASISOFPRESENTATIONTables">
        <link:definition>9954472 - Disclosure - BASIS OF PRESENTATION (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ACQUISITIONOFBUSINESSINCREASEOFTHEPARTICIPATIONINUSIMINASCONTROLGROUPANDNEWGOVERNANCESTRUCTUREOFUSIMINASTables" roleURI="http://www.ternium.com/role/ACQUISITIONOFBUSINESSINCREASEOFTHEPARTICIPATIONINUSIMINASCONTROLGROUPANDNEWGOVERNANCESTRUCTUREOFUSIMINASTables">
        <link:definition>9954473 - Disclosure - ACQUISITION OF BUSINESS &#8211; INCREASE OF THE PARTICIPATION IN USIMINAS CONTROL GROUP AND NEW GOVERNANCE STRUCTURE OF USIMINAS - (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ACCOUNTINGPOLICIESTables" roleURI="http://www.ternium.com/role/ACCOUNTINGPOLICIESTables">
        <link:definition>9954474 - Disclosure - ACCOUNTING POLICIES (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SEGMENTINFORMATIONTables" roleURI="http://www.ternium.com/role/SEGMENTINFORMATIONTables">
        <link:definition>9954475 - Disclosure - SEGMENT INFORMATION (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="COSTOFSALESTables" roleURI="http://www.ternium.com/role/COSTOFSALESTables">
        <link:definition>9954476 - Disclosure - COST OF SALES (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SELLINGGENERALANDADMINISTRATIVEEXPENSESTables" roleURI="http://www.ternium.com/role/SELLINGGENERALANDADMINISTRATIVEEXPENSESTables">
        <link:definition>9954477 - Disclosure - SELLING, GENERAL AND ADMINISTRATIVE EXPENSES (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="LABORCOSTSIncludedCostofsalesandSellingGeneralandAdministrativeexpensesTables" roleURI="http://www.ternium.com/role/LABORCOSTSIncludedCostofsalesandSellingGeneralandAdministrativeexpensesTables">
        <link:definition>9954478 - Disclosure - LABOR COSTS (Included Cost of sales and Selling, General and Administrative expenses) (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="OTHEROPERATINGINCOMEEXPENSESNETTables" roleURI="http://www.ternium.com/role/OTHEROPERATINGINCOMEEXPENSESNETTables">
        <link:definition>9954479 - Disclosure - OTHER OPERATING INCOME (EXPENSES), NET (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="OTHERFINANCIALINCOMEEXPENSESNETTables" roleURI="http://www.ternium.com/role/OTHERFINANCIALINCOMEEXPENSESNETTables">
        <link:definition>9954480 - Disclosure - OTHER FINANCIAL INCOME (EXPENSES), NET (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="INCOMETAXEXPENSETables" roleURI="http://www.ternium.com/role/INCOMETAXEXPENSETables">
        <link:definition>9954481 - Disclosure - INCOME TAX EXPENSE (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="PROPERTYPLANTANDEQUIPMENTNETTables" roleURI="http://www.ternium.com/role/PROPERTYPLANTANDEQUIPMENTNETTables">
        <link:definition>9954482 - Disclosure - PROPERTY, PLANT AND EQUIPMENT, NET (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="INTANGIBLEASSETSNETTables" roleURI="http://www.ternium.com/role/INTANGIBLEASSETSNETTables">
        <link:definition>9954483 - Disclosure - INTANGIBLE ASSETS, NET (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="INVESTMENTSINNONCONSOLIDATEDCOMPANIESTables" roleURI="http://www.ternium.com/role/INVESTMENTSINNONCONSOLIDATEDCOMPANIESTables">
        <link:definition>9954484 - Disclosure - INVESTMENTS IN NON-CONSOLIDATED COMPANIES (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="RECEIVABLESNETNONCURRENTANDCURRENTTables" roleURI="http://www.ternium.com/role/RECEIVABLESNETNONCURRENTANDCURRENTTables">
        <link:definition>9954485 - Disclosure - RECEIVABLES, NET - NON CURRENT AND CURRENT (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="TRADERECEIVABLESNETNONCURRENTANDCURRENTTables" roleURI="http://www.ternium.com/role/TRADERECEIVABLESNETNONCURRENTANDCURRENTTables">
        <link:definition>9954486 - Disclosure - TRADE RECEIVABLES, NET - NON CURRENT AND CURRENT (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="INVENTORIESNETTables" roleURI="http://www.ternium.com/role/INVENTORIESNETTables">
        <link:definition>9954487 - Disclosure - INVENTORIES, NET (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CASHCASHEQUIVALENTSANDOTHERINVESTMENTSNONCURRENTANDCURRENTTables" roleURI="http://www.ternium.com/role/CASHCASHEQUIVALENTSANDOTHERINVESTMENTSNONCURRENTANDCURRENTTables">
        <link:definition>9954488 - Disclosure - CASH, CASH EQUIVALENTS AND OTHER INVESTMENTS - NON CURRENT AND CURRENT (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ALLOWANCESANDPROVISIONSNONCURRENTANDCURRENTTables" roleURI="http://www.ternium.com/role/ALLOWANCESANDPROVISIONSNONCURRENTANDCURRENTTables">
        <link:definition>9954489 - Disclosure - ALLOWANCES AND PROVISIONS - NON CURRENT AND CURRENT (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="DEFERREDINCOMETAXTables" roleURI="http://www.ternium.com/role/DEFERREDINCOMETAXTables">
        <link:definition>9954490 - Disclosure - DEFERRED INCOME TAX (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="OTHERLIABILITIESNONCURRENTANDCURRENTTables" roleURI="http://www.ternium.com/role/OTHERLIABILITIESNONCURRENTANDCURRENTTables">
        <link:definition>9954491 - Disclosure - OTHER LIABILITIES - NON CURRENT AND CURRENT (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="DERIVATIVEFINANCIALINSTRUMENTSTables" roleURI="http://www.ternium.com/role/DERIVATIVEFINANCIALINSTRUMENTSTables">
        <link:definition>9954492 - Disclosure - DERIVATIVE FINANCIAL INSTRUMENTS (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="LEASELIABILITIESTables" roleURI="http://www.ternium.com/role/LEASELIABILITIESTables">
        <link:definition>9954493 - Disclosure - LEASE LIABILITIES (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="BORROWINGSTables" roleURI="http://www.ternium.com/role/BORROWINGSTables">
        <link:definition>9954494 - Disclosure - BORROWINGS (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="RELATEDPARTYTRANSACTIONSTables" roleURI="http://www.ternium.com/role/RELATEDPARTYTRANSACTIONSTables">
        <link:definition>9954495 - Disclosure - RELATED PARTY TRANSACTIONS (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="OTHERREQUIREDDISCLOSURESTables" roleURI="http://www.ternium.com/role/OTHERREQUIREDDISCLOSURESTables">
        <link:definition>9954496 - Disclosure - OTHER REQUIRED DISCLOSURES (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="FINANCIALRISKMANAGEMENTTables" roleURI="http://www.ternium.com/role/FINANCIALRISKMANAGEMENTTables">
        <link:definition>9954497 - Disclosure - FINANCIAL RISK MANAGEMENT (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="GENERALINFORMATIONNarrativeDetails" roleURI="http://www.ternium.com/role/GENERALINFORMATIONNarrativeDetails">
        <link:definition>9954498 - Disclosure - GENERAL INFORMATION - Narrative (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="BASISOFPRESENTATIONDisclosureofInterestinSubsidiariesDetails" roleURI="http://www.ternium.com/role/BASISOFPRESENTATIONDisclosureofInterestinSubsidiariesDetails">
        <link:definition>9954499 - Disclosure - BASIS OF PRESENTATION (Disclosure of Interest in Subsidiaries) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="BASISOFPRESENTATIONNarrativeDetails" roleURI="http://www.ternium.com/role/BASISOFPRESENTATIONNarrativeDetails">
        <link:definition>9954500 - Disclosure - BASIS OF PRESENTATION (Narrative) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ACQUISITIONOFBUSINESSINCREASEOFTHEPARTICIPATIONINUSIMINASCONTROLGROUPANDNEWGOVERNANCESTRUCTUREOFUSIMINASNarrativeDetails" roleURI="http://www.ternium.com/role/ACQUISITIONOFBUSINESSINCREASEOFTHEPARTICIPATIONINUSIMINASCONTROLGROUPANDNEWGOVERNANCESTRUCTUREOFUSIMINASNarrativeDetails">
        <link:definition>9954501 - Disclosure - ACQUISITION OF BUSINESS &#8211; INCREASE OF THE PARTICIPATION IN USIMINAS CONTROL GROUP AND NEW GOVERNANCE STRUCTURE OF USIMINAS - Narrative (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ACQUISITIONOFBUSINESSINCREASEOFTHEPARTICIPATIONINUSIMINASCONTROLGROUPANDNEWGOVERNANCESTRUCTUREOFUSIMINASDisclosureofDetailedInformationAboutBusinessCombinationDetails" roleURI="http://www.ternium.com/role/ACQUISITIONOFBUSINESSINCREASEOFTHEPARTICIPATIONINUSIMINASCONTROLGROUPANDNEWGOVERNANCESTRUCTUREOFUSIMINASDisclosureofDetailedInformationAboutBusinessCombinationDetails">
        <link:definition>9954502 - Disclosure - ACQUISITION OF BUSINESS &#8211; INCREASE OF THE PARTICIPATION IN USIMINAS CONTROL GROUP AND NEW GOVERNANCE STRUCTURE OF USIMINAS - Disclosure of Detailed Information About Business Combination (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ACQUISITIONOFBUSINESSINCREASEOFTHEPARTICIPATIONINUSIMINASCONTROLGROUPANDNEWGOVERNANCESTRUCTUREOFUSIMINASProvisionsForContingenciesDetails" roleURI="http://www.ternium.com/role/ACQUISITIONOFBUSINESSINCREASEOFTHEPARTICIPATIONINUSIMINASCONTROLGROUPANDNEWGOVERNANCESTRUCTUREOFUSIMINASProvisionsForContingenciesDetails">
        <link:definition>9954503 - Disclosure - ACQUISITION OF BUSINESS &#8211; INCREASE OF THE PARTICIPATION IN USIMINAS CONTROL GROUP AND NEW GOVERNANCE STRUCTURE OF USIMINAS -Provisions For Contingencies (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ACQUISITIONOFBUSINESSINCREASEOFTHEPARTICIPATIONINUSIMINASCONTROLGROUPANDNEWGOVERNANCESTRUCTUREOFUSIMINASProvisionsForContingenciesBeforeBusinessCombinationDetails" roleURI="http://www.ternium.com/role/ACQUISITIONOFBUSINESSINCREASEOFTHEPARTICIPATIONINUSIMINASCONTROLGROUPANDNEWGOVERNANCESTRUCTUREOFUSIMINASProvisionsForContingenciesBeforeBusinessCombinationDetails">
        <link:definition>9954504 - Disclosure - ACQUISITION OF BUSINESS &#8211; INCREASE OF THE PARTICIPATION IN USIMINAS CONTROL GROUP AND NEW GOVERNANCE STRUCTURE OF USIMINAS -Provisions For Contingencies Before Business Combination (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ACCOUNTINGPOLICIESUsefulLifeofPropertyPlantEquipmentDetails" roleURI="http://www.ternium.com/role/ACCOUNTINGPOLICIESUsefulLifeofPropertyPlantEquipmentDetails">
        <link:definition>9954505 - Disclosure - ACCOUNTING POLICIES (Useful Life of Property, Plant &amp; Equipment) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ACCOUNTINGPOLICIESIntangibleAssetsDetails" roleURI="http://www.ternium.com/role/ACCOUNTINGPOLICIESIntangibleAssetsDetails">
        <link:definition>9954506 - Disclosure - ACCOUNTING POLICIES (Intangible Assets) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ACCOUNTINGPOLICIESImpairmentDetails" roleURI="http://www.ternium.com/role/ACCOUNTINGPOLICIESImpairmentDetails">
        <link:definition>9954507 - Disclosure - ACCOUNTING POLICIES (Impairment) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ACCOUNTINGPOLICIESNonCurrentAssetsDisposalGroupsClassifiedasHeldforSaleDetails" roleURI="http://www.ternium.com/role/ACCOUNTINGPOLICIESNonCurrentAssetsDisposalGroupsClassifiedasHeldforSaleDetails">
        <link:definition>9954508 - Disclosure - ACCOUNTING POLICIES (Non-Current Assets (Disposal Groups) Classified as Held for Sale) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ACCOUNTINGPOLICIESEmployeeLiabilitiesDetails" roleURI="http://www.ternium.com/role/ACCOUNTINGPOLICIESEmployeeLiabilitiesDetails">
        <link:definition>9954509 - Disclosure - ACCOUNTING POLICIES (Employee Liabilities) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ACCOUNTINGPOLICIESBorrowingCostsDetails" roleURI="http://www.ternium.com/role/ACCOUNTINGPOLICIESBorrowingCostsDetails">
        <link:definition>9954510 - Disclosure - ACCOUNTING POLICIES (Borrowing Costs) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ACCOUTNINGPOLICIESDerivativeFinancialInstrumentsandHedgingActivitiesDetails" roleURI="http://www.ternium.com/role/ACCOUTNINGPOLICIESDerivativeFinancialInstrumentsandHedgingActivitiesDetails">
        <link:definition>9954511 - Disclosure - ACCOUTNING POLICIES (Derivative Financial Instruments and Hedging Activities) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ACCOUNTINGPOLICIESCriticalAccountingEstimatesDetails" roleURI="http://www.ternium.com/role/ACCOUNTINGPOLICIESCriticalAccountingEstimatesDetails">
        <link:definition>9954512 - Disclosure - ACCOUNTING POLICIES (Critical Accounting Estimates) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ACCOUNTINGPOLICIESClimateChangeDetails" roleURI="http://www.ternium.com/role/ACCOUNTINGPOLICIESClimateChangeDetails">
        <link:definition>9954513 - Disclosure - ACCOUNTING POLICIES (Climate Change) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SEGMENTINFORMATIONNarrativeDetails" roleURI="http://www.ternium.com/role/SEGMENTINFORMATIONNarrativeDetails">
        <link:definition>9954514 - Disclosure - SEGMENT INFORMATION (Narrative) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SEGMENTINFORMATIONSegmentReportingInformationbySegmentDetails" roleURI="http://www.ternium.com/role/SEGMENTINFORMATIONSegmentReportingInformationbySegmentDetails">
        <link:definition>9954515 - Disclosure - SEGMENT INFORMATION (Segment Reporting Information, by Segment) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SEGMENTINFORMATIONNetSalesandLongLivedAssetsbyGeographicAreasDetails" roleURI="http://www.ternium.com/role/SEGMENTINFORMATIONNetSalesandLongLivedAssetsbyGeographicAreasDetails">
        <link:definition>9954516 - Disclosure - SEGMENT INFORMATION (Net Sales and Long Lived Assets by Geographic Areas) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SEGMENTINFORMATIONRevenuebyProductDetails" roleURI="http://www.ternium.com/role/SEGMENTINFORMATIONRevenuebyProductDetails">
        <link:definition>9954517 - Disclosure - SEGMENT INFORMATION (Revenue by Product) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="COSTOFSALESDetails" roleURI="http://www.ternium.com/role/COSTOFSALESDetails">
        <link:definition>9954518 - Disclosure - COST OF SALES (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="SELLINGGENERALANDADMINISTRATIVEEXPENSESDetails" roleURI="http://www.ternium.com/role/SELLINGGENERALANDADMINISTRATIVEEXPENSESDetails">
        <link:definition>9954519 - Disclosure - SELLING, GENERAL AND ADMINISTRATIVE EXPENSES (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="LABORCOSTSIncludedCostofsalesandSellingGeneralandAdministrativeexpensesDetails" roleURI="http://www.ternium.com/role/LABORCOSTSIncludedCostofsalesandSellingGeneralandAdministrativeexpensesDetails">
        <link:definition>9954520 - Disclosure - LABOR COSTS (Included Cost of sales and Selling, General and Administrative expenses) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="OTHEROPERATINGINCOMEEXPENSESNETDetails" roleURI="http://www.ternium.com/role/OTHEROPERATINGINCOMEEXPENSESNETDetails">
        <link:definition>9954521 - Disclosure - OTHER OPERATING INCOME (EXPENSES), NET (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="OTHERFINANCIALINCOMEEXPENSESNETDetails" roleURI="http://www.ternium.com/role/OTHERFINANCIALINCOMEEXPENSESNETDetails">
        <link:definition>9954522 - Disclosure - OTHER FINANCIAL INCOME (EXPENSES), NET (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="INCOMETAXEXPENSEIncomeTaxExpenseDetails" roleURI="http://www.ternium.com/role/INCOMETAXEXPENSEIncomeTaxExpenseDetails">
        <link:definition>9954523 - Disclosure - INCOME TAX EXPENSE (Income Tax Expense) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="INCOMETAXEXPENSEReconciliationofeffectiveincometaxDetails" roleURI="http://www.ternium.com/role/INCOMETAXEXPENSEReconciliationofeffectiveincometaxDetails">
        <link:definition>9954524 - Disclosure - INCOME TAX EXPENSE (Reconciliation of effective income tax) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="PROPERTYPLANTANDEQUIPMENTNETPropertyPlantandEquipmentNetDetails" roleURI="http://www.ternium.com/role/PROPERTYPLANTANDEQUIPMENTNETPropertyPlantandEquipmentNetDetails">
        <link:definition>9954525 - Disclosure - PROPERTY, PLANT AND EQUIPMENT, NET - Property, Plant and Equipment, Net (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="PROPERTYPLANTANDEQUIPMENTNETScheduleofRightofUseAssetsDetails" roleURI="http://www.ternium.com/role/PROPERTYPLANTANDEQUIPMENTNETScheduleofRightofUseAssetsDetails">
        <link:definition>9954526 - Disclosure - PROPERTY, PLANT AND EQUIPMENT, NET - Schedule of Right-of-Use Assets (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="PROPERTYPLANTANDEQUIPMENTNETNarrativeDetails" roleURI="http://www.ternium.com/role/PROPERTYPLANTANDEQUIPMENTNETNarrativeDetails">
        <link:definition>9954527 - Disclosure - PROPERTY, PLANT AND EQUIPMENT, NET - Narrative (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="INTANGIBLEASSETSNETDetails" roleURI="http://www.ternium.com/role/INTANGIBLEASSETSNETDetails">
        <link:definition>9954528 - Disclosure - INTANGIBLE ASSETS, NET (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="INVESTMENTSINNONCONSOLIDATEDCOMPANIESDetails" roleURI="http://www.ternium.com/role/INVESTMENTSINNONCONSOLIDATEDCOMPANIESDetails">
        <link:definition>9954529 - Disclosure - INVESTMENTS IN NON-CONSOLIDATED COMPANIES (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="INVESTMENTSINNONCONSOLIDATEDCOMPANIESScheduleofPrincipalinNonConsolidatedCompaniesDetails" roleURI="http://www.ternium.com/role/INVESTMENTSINNONCONSOLIDATEDCOMPANIESScheduleofPrincipalinNonConsolidatedCompaniesDetails">
        <link:definition>9954530 - Disclosure - INVESTMENTS IN NON-CONSOLIDATED COMPANIES (Schedule of Principal in Non-Consolidated Companies) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="INVESTMENTSINNONCONSOLIDATEDCOMPANIESNarrativeDetails" roleURI="http://www.ternium.com/role/INVESTMENTSINNONCONSOLIDATEDCOMPANIESNarrativeDetails">
        <link:definition>9954531 - Disclosure - INVESTMENTS IN NON-CONSOLIDATED COMPANIES (Narrative) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="RECEIVABLESNETNONCURRENTANDCURRENTNonCurrentReceivablesDetails" roleURI="http://www.ternium.com/role/RECEIVABLESNETNONCURRENTANDCURRENTNonCurrentReceivablesDetails">
        <link:definition>9954532 - Disclosure - RECEIVABLES, NET - NON CURRENT AND CURRENT (Non-Current Receivables) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="RECEIVABLESNETNONCURRENTANDCURRENTCurrentreceivablesDetails" roleURI="http://www.ternium.com/role/RECEIVABLESNETNONCURRENTANDCURRENTCurrentreceivablesDetails">
        <link:definition>9954533 - Disclosure - RECEIVABLES, NET - NON CURRENT AND CURRENT (Current receivables) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="TRADERECEIVABLESNETNONCURRENTANDCURRENTDetails" roleURI="http://www.ternium.com/role/TRADERECEIVABLESNETNONCURRENTANDCURRENTDetails">
        <link:definition>9954534 - Disclosure - TRADE RECEIVABLES, NET - NON CURRENT AND CURRENT (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="TRADERECEIVABLESNETNONCURRENTANDCURRENTScheduleofTradeReceivablesNetDetails" roleURI="http://www.ternium.com/role/TRADERECEIVABLESNETNONCURRENTANDCURRENTScheduleofTradeReceivablesNetDetails">
        <link:definition>9954535 - Disclosure - TRADE RECEIVABLES, NET - NON CURRENT AND CURRENT (Schedule of Trade Receivables, Net) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="INVENTORIESNETDetails" roleURI="http://www.ternium.com/role/INVENTORIESNETDetails">
        <link:definition>9954536 - Disclosure - INVENTORIES, NET (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CASHCASHEQUIVALENTSANDOTHERINVESTMENTSNONCURRENTANDCURRENTOtherInvestmentsDetails" roleURI="http://www.ternium.com/role/CASHCASHEQUIVALENTSANDOTHERINVESTMENTSNONCURRENTANDCURRENTOtherInvestmentsDetails">
        <link:definition>9954537 - Disclosure - CASH, CASH EQUIVALENTS AND OTHER INVESTMENTS - NON CURRENT AND CURRENT (Other Investments) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CASHCASHEQUIVALENTSANDOTHERINVESTMENTSNONCURRENTANDCURRENTCashandcashequivalentsDetails" roleURI="http://www.ternium.com/role/CASHCASHEQUIVALENTSANDOTHERINVESTMENTSNONCURRENTANDCURRENTCashandcashequivalentsDetails">
        <link:definition>9954538 - Disclosure - CASH, CASH EQUIVALENTS AND OTHER INVESTMENTS - NON CURRENT AND CURRENT (Cash and cash equivalents) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="ALLOWANCESANDPROVISIONSNONCURRENTANDCURRENTDetails" roleURI="http://www.ternium.com/role/ALLOWANCESANDPROVISIONSNONCURRENTANDCURRENTDetails">
        <link:definition>9954539 - Disclosure - ALLOWANCES AND PROVISIONS - NON CURRENT AND CURRENT (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="DEFERREDINCOMETAXChangesinDeferredIncomeTaxDetails" roleURI="http://www.ternium.com/role/DEFERREDINCOMETAXChangesinDeferredIncomeTaxDetails">
        <link:definition>9954540 - Disclosure - DEFERRED INCOME TAX (Changes in Deferred Income Tax) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="DEFERREDINCOMETAXChangesinDeferredTaxAssetsandLiabilitiesDetails" roleURI="http://www.ternium.com/role/DEFERREDINCOMETAXChangesinDeferredTaxAssetsandLiabilitiesDetails">
        <link:definition>9954541 - Disclosure - DEFERRED INCOME TAX (Changes in Deferred Tax Assets and Liabilities) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="OTHERLIABILITIESNONCURRENTANDCURRENTOtherLiabilitiesNonCurrentDetails" roleURI="http://www.ternium.com/role/OTHERLIABILITIESNONCURRENTANDCURRENTOtherLiabilitiesNonCurrentDetails">
        <link:definition>9954542 - Disclosure - OTHER LIABILITIES - NON CURRENT AND CURRENT (Other Liabilities - Non-Current) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="OTHERLIABILITIESNONCURRENTANDCURRENTScheduleofOtherLiabilitiesinStatementofFinancialPositionDetails" roleURI="http://www.ternium.com/role/OTHERLIABILITIESNONCURRENTANDCURRENTScheduleofOtherLiabilitiesinStatementofFinancialPositionDetails">
        <link:definition>9954543 - Disclosure - OTHER LIABILITIES - NON CURRENT AND CURRENT (Schedule of Other Liabilities in Statement of Financial Position) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="OTHERLIABILITIESNONCURRENTANDCURRENTScheduleofAmountsRecognizedinIncomeStatementDetails" roleURI="http://www.ternium.com/role/OTHERLIABILITIESNONCURRENTANDCURRENTScheduleofAmountsRecognizedinIncomeStatementDetails">
        <link:definition>9954544 - Disclosure - OTHER LIABILITIES - NON CURRENT AND CURRENT (Schedule of Amounts Recognized in Income Statement) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="OTHERLIABILITIESNONCURRENTANDCURRENTScheduleofAmountsRecognizedinOtherComprehensiveIncomeDetails" roleURI="http://www.ternium.com/role/OTHERLIABILITIESNONCURRENTANDCURRENTScheduleofAmountsRecognizedinOtherComprehensiveIncomeDetails">
        <link:definition>9954545 - Disclosure - OTHER LIABILITIES - NON CURRENT AND CURRENT (Schedule of Amounts Recognized in Other Comprehensive Income) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="OTHERLIABILITIESNONCURRENTANDCURRENTScheduleofAmountsRecognizedinStatementofFinancialPositionDetails" roleURI="http://www.ternium.com/role/OTHERLIABILITIESNONCURRENTANDCURRENTScheduleofAmountsRecognizedinStatementofFinancialPositionDetails">
        <link:definition>9954546 - Disclosure - OTHER LIABILITIES - NON CURRENT AND CURRENT (Schedule of Amounts Recognized in Statement of Financial Position) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="OTHERLIABILITIESNONCURRENTANDCURRENTScheduleofFairValueofPlanAssetsDetails" roleURI="http://www.ternium.com/role/OTHERLIABILITIESNONCURRENTANDCURRENTScheduleofFairValueofPlanAssetsDetails">
        <link:definition>9954547 - Disclosure - OTHER LIABILITIES - NON CURRENT AND CURRENT (Schedule of Fair Value of Plan Assets) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="OTHERLIABILITIESNONCURRENTANDCURRENTNarrativeDetails" roleURI="http://www.ternium.com/role/OTHERLIABILITIESNONCURRENTANDCURRENTNarrativeDetails">
        <link:definition>9954548 - Disclosure - OTHER LIABILITIES - NON CURRENT AND CURRENT (Narrative) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="OTHERLIABILITIESNONCURRENTANDCURRENTActuarialAssumptionsofDefinedBenefitObligationDetails" roleURI="http://www.ternium.com/role/OTHERLIABILITIESNONCURRENTANDCURRENTActuarialAssumptionsofDefinedBenefitObligationDetails">
        <link:definition>9954549 - Disclosure - OTHER LIABILITIES - NON CURRENT AND CURRENT (Actuarial Assumptions of Defined Benefit Obligation) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="OTHERLIABILITIESNONCURRENTANDCURRENTOtherLiabilitiesCurrentDetails" roleURI="http://www.ternium.com/role/OTHERLIABILITIESNONCURRENTANDCURRENTOtherLiabilitiesCurrentDetails">
        <link:definition>9954550 - Disclosure - OTHER LIABILITIES - NON CURRENT AND CURRENT (Other Liabilities - Current) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="DERIVATIVEFINANCIALINSTRUMENTSNetFairValueDetails" roleURI="http://www.ternium.com/role/DERIVATIVEFINANCIALINSTRUMENTSNetFairValueDetails">
        <link:definition>9954551 - Disclosure - DERIVATIVE FINANCIAL INSTRUMENTS (Net Fair Value) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="DERIVATIVEFINANCIALINSTRUMENTSNarrativeDetails" roleURI="http://www.ternium.com/role/DERIVATIVEFINANCIALINSTRUMENTSNarrativeDetails">
        <link:definition>9954552 - Disclosure - DERIVATIVE FINANCIAL INSTRUMENTS (Narrative) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="DERIVATIVEFINANCIALINSTRUMENTSChangesinFairValueDetails" roleURI="http://www.ternium.com/role/DERIVATIVEFINANCIALINSTRUMENTSChangesinFairValueDetails">
        <link:definition>9954553 - Disclosure - DERIVATIVE FINANCIAL INSTRUMENTS (Changes in Fair Value) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="DERIVATIVEFINANCIALINSTRUMENTSExchangeRateDerivativeContractDetails" roleURI="http://www.ternium.com/role/DERIVATIVEFINANCIALINSTRUMENTSExchangeRateDerivativeContractDetails">
        <link:definition>9954554 - Disclosure - DERIVATIVE FINANCIAL INSTRUMENTS (Exchange Rate Derivative Contract) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="LEASELIABILITIESLeaseLiabilitiesDetails" roleURI="http://www.ternium.com/role/LEASELIABILITIESLeaseLiabilitiesDetails">
        <link:definition>9954555 - Disclosure - LEASE LIABILITIES - Lease Liabilities (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="LEASELIABILITIESScheduleofMinimumLeasePaymentsDetails" roleURI="http://www.ternium.com/role/LEASELIABILITIESScheduleofMinimumLeasePaymentsDetails">
        <link:definition>9954556 - Disclosure - LEASE LIABILITIES - Schedule of Minimum Lease Payments (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="BORROWINGSCurrentandNonCurrentInformationonBorrowingsDetails" roleURI="http://www.ternium.com/role/BORROWINGSCurrentandNonCurrentInformationonBorrowingsDetails">
        <link:definition>9954557 - Disclosure - BORROWINGS (Current and Non-Current Information on Borrowings) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="BORROWINGSMaturityofBorrowingsDetails" roleURI="http://www.ternium.com/role/BORROWINGSMaturityofBorrowingsDetails">
        <link:definition>9954558 - Disclosure - BORROWINGS (Maturity of Borrowings) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="BORROWINGSWeightedAverageInterestRateDetails" roleURI="http://www.ternium.com/role/BORROWINGSWeightedAverageInterestRateDetails">
        <link:definition>9954559 - Disclosure - BORROWINGS (Weighted-Average Interest Rate) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="BORROWINGSBorrowingsbyCurrencyDetails" roleURI="http://www.ternium.com/role/BORROWINGSBorrowingsbyCurrencyDetails">
        <link:definition>9954560 - Disclosure - BORROWINGS (Borrowings by Currency) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="BORROWINGSSignificantBorrowingsDetails" roleURI="http://www.ternium.com/role/BORROWINGSSignificantBorrowingsDetails">
        <link:definition>9954561 - Disclosure - BORROWINGS (Significant Borrowings) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CONTINGENCIESCOMMITMENTSANDRESTRICTIONSONTHEDISTRIBUTIONOFPROFITSTenderofferlitigationDetails" roleURI="http://www.ternium.com/role/CONTINGENCIESCOMMITMENTSANDRESTRICTIONSONTHEDISTRIBUTIONOFPROFITSTenderofferlitigationDetails">
        <link:definition>9954562 - Disclosure - CONTINGENCIES, COMMITMENTS AND RESTRICTIONS ON THE DISTRIBUTION OF PROFITS (Tender offer litigation) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CONTINGENCIESCOMMITMENTSANDRESTRICTIONSONTHEDISTRIBUTIONOFPROFITSShareholderclaimsMexicanincometaxadjustmentArgentinetaxclaimDetails" roleURI="http://www.ternium.com/role/CONTINGENCIESCOMMITMENTSANDRESTRICTIONSONTHEDISTRIBUTIONOFPROFITSShareholderclaimsMexicanincometaxadjustmentArgentinetaxclaimDetails">
        <link:definition>9954563 - Disclosure - CONTINGENCIES, COMMITMENTS AND RESTRICTIONS ON THE DISTRIBUTION OF PROFITS (Shareholder claims, Mexican income tax adjustment &amp; Argentine tax claim) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CONTINGENCIESCOMMITMENTSANDRESTRICTIONSONTHEDISTRIBUTIONOFPROFITSFishermenassociationclaimsTaxassessmentrelatingtotheuseofcertainICMStaxcreditsDetails" roleURI="http://www.ternium.com/role/CONTINGENCIESCOMMITMENTSANDRESTRICTIONSONTHEDISTRIBUTIONOFPROFITSFishermenassociationclaimsTaxassessmentrelatingtotheuseofcertainICMStaxcreditsDetails">
        <link:definition>9954564 - Disclosure - CONTINGENCIES, COMMITMENTS AND RESTRICTIONS ON THE DISTRIBUTION OF PROFITS (Fishermen association claims, Tax assessment relating to the use of certain ICMS tax credits) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CONTINGENCIESCOMMITMENTSANDRESTRICTIONSONTHEDISTRIBUTIONOFPROFITSCommitmentsalDetails" roleURI="http://www.ternium.com/role/CONTINGENCIESCOMMITMENTSANDRESTRICTIONSONTHEDISTRIBUTIONOFPROFITSCommitmentsalDetails">
        <link:definition>9954565 - Disclosure - CONTINGENCIES, COMMITMENTS AND RESTRICTIONS ON THE DISTRIBUTION OF PROFITS (Commitments: a-l) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="CONTINGENCIESCOMMITMENTSANDRESTRICTIONSONTHEDISTRIBUTIONOFPROFITSCommitmentsmacDetails" roleURI="http://www.ternium.com/role/CONTINGENCIESCOMMITMENTSANDRESTRICTIONSONTHEDISTRIBUTIONOFPROFITSCommitmentsmacDetails">
        <link:definition>9954566 - Disclosure - CONTINGENCIES, COMMITMENTS AND RESTRICTIONS ON THE DISTRIBUTION OF PROFITS (Commitments: m-ac) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="RELATEDPARTYTRANSACTIONSNarrativeDetails" roleURI="http://www.ternium.com/role/RELATEDPARTYTRANSACTIONSNarrativeDetails">
        <link:definition>9954567 - Disclosure - RELATED PARTY TRANSACTIONS (Narrative) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="RELATEDPARTYTRANSACTIONSTransactionsBetweenRelatedPartiesDetails" roleURI="http://www.ternium.com/role/RELATEDPARTYTRANSACTIONSTransactionsBetweenRelatedPartiesDetails">
        <link:definition>9954568 - Disclosure - RELATED PARTY TRANSACTIONS (Transactions Between Related Parties) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="OTHERREQUIREDDISCLOSURESStatementofComprehensiveIncomeDetails" roleURI="http://www.ternium.com/role/OTHERREQUIREDDISCLOSURESStatementofComprehensiveIncomeDetails">
        <link:definition>9954569 - Disclosure - OTHER REQUIRED DISCLOSURES (Statement of Comprehensive Income) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="OTHERREQUIREDDISCLOSURESStatementofCashFlowsDetails" roleURI="http://www.ternium.com/role/OTHERREQUIREDDISCLOSURESStatementofCashFlowsDetails">
        <link:definition>9954570 - Disclosure - OTHER REQUIRED DISCLOSURES (Statement of Cash Flows) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="OTHERREQUIREDDISCLOSURESFinancialDebtReconciliationDetails" roleURI="http://www.ternium.com/role/OTHERREQUIREDDISCLOSURESFinancialDebtReconciliationDetails">
        <link:definition>9954571 - Disclosure - OTHER REQUIRED DISCLOSURES (Financial Debt Reconciliation) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="FINANCIALRISKMANAGEMENTAssumedFinancialExposuretoCurrencyRiskDetails" roleURI="http://www.ternium.com/role/FINANCIALRISKMANAGEMENTAssumedFinancialExposuretoCurrencyRiskDetails">
        <link:definition>9954572 - Disclosure - FINANCIAL RISK MANAGEMENT (Assumed Financial Exposure to Currency Risk) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="FINANCIALRISKMANAGEMENTMarketRiskNarrativeDetails" roleURI="http://www.ternium.com/role/FINANCIALRISKMANAGEMENTMarketRiskNarrativeDetails">
        <link:definition>9954573 - Disclosure - FINANCIAL RISK MANAGEMENT (Market Risk Narrative) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="FINANCIALRISKMANAGEMENTCreditRiskNarrativeDetails" roleURI="http://www.ternium.com/role/FINANCIALRISKMANAGEMENTCreditRiskNarrativeDetails">
        <link:definition>9954574 - Disclosure - FINANCIAL RISK MANAGEMENT (Credit Risk Narrative) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="FINANCIALRISKMANAGEMENTInvestmentsinFinancialAssetsCreditRiskDetails" roleURI="http://www.ternium.com/role/FINANCIALRISKMANAGEMENTInvestmentsinFinancialAssetsCreditRiskDetails">
        <link:definition>9954575 - Disclosure - FINANCIAL RISK MANAGEMENT (Investments in Financial Assets - Credit Risk) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="FINANCIALRISKMANAGEMENTAssumedfinancialexposuretocreditriskDetails" roleURI="http://www.ternium.com/role/FINANCIALRISKMANAGEMENTAssumedfinancialexposuretocreditriskDetails">
        <link:definition>9954576 - Disclosure - FINANCIAL RISK MANAGEMENT (Assumed financial exposure to credit risk) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="FINANCIALRISKMANAGEMENTLiquidityRiskDetails" roleURI="http://www.ternium.com/role/FINANCIALRISKMANAGEMENTLiquidityRiskDetails">
        <link:definition>9954577 - Disclosure - FINANCIAL RISK MANAGEMENT (Liquidity Risk) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="FINANCIALRISKMANAGEMENTCapitalRiskNarrativeDetails" roleURI="http://www.ternium.com/role/FINANCIALRISKMANAGEMENTCapitalRiskNarrativeDetails">
        <link:definition>9954578 - Disclosure - FINANCIAL RISK MANAGEMENT (Capital Risk Narrative) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="FINANCIALRISKMANAGEMENTFinancialAssetsandLiabilitiesDetails" roleURI="http://www.ternium.com/role/FINANCIALRISKMANAGEMENTFinancialAssetsandLiabilitiesDetails">
        <link:definition>9954579 - Disclosure - FINANCIAL RISK MANAGEMENT (Financial Assets and Liabilities) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="FINANCIALRISKMANAGEMENTFinancialAssetsandLiabilitiesatFairValueDetails" roleURI="http://www.ternium.com/role/FINANCIALRISKMANAGEMENTFinancialAssetsandLiabilitiesatFairValueDetails">
        <link:definition>9954580 - Disclosure - FINANCIAL RISK MANAGEMENT (Financial Assets and Liabilities at Fair Value) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="FINANCIALRISKMANAGEMENTChangesinFairValueDetails" roleURI="http://www.ternium.com/role/FINANCIALRISKMANAGEMENTChangesinFairValueDetails">
        <link:definition>9954581 - Disclosure - FINANCIAL RISK MANAGEMENT (Changes in Fair Value) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="FINANCIALRISKMANAGEMENTAccountingforDerivativeFinancialInstrumentsandHedgingActivitiesNarrativeDetails" roleURI="http://www.ternium.com/role/FINANCIALRISKMANAGEMENTAccountingforDerivativeFinancialInstrumentsandHedgingActivitiesNarrativeDetails">
        <link:definition>9954582 - Disclosure - FINANCIAL RISK MANAGEMENT (Accounting for Derivative Financial Instruments and Hedging Activities Narrative) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="THECOVID19PANDEMICANDITSIMPACTONTERNIUMNarrativeDetails" roleURI="http://www.ternium.com/role/THECOVID19PANDEMICANDITSIMPACTONTERNIUMNarrativeDetails">
        <link:definition>9954583 - Disclosure - THE COVID-19 PANDEMIC AND ITS IMPACT ON TERNIUM - Narrative (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="FOREIGNEXCHANGERESTRICTIONSINARGENTINANarrativeDetails" roleURI="http://www.ternium.com/role/FOREIGNEXCHANGERESTRICTIONSINARGENTINANarrativeDetails">
        <link:definition>9954584 - Disclosure - FOREIGN EXCHANGE RESTRICTIONS IN ARGENTINA - (Narrative) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType id="TERNIUMTOINTEGRATEOPERATIONSINTHEUSMCADetails" roleURI="http://www.ternium.com/role/TERNIUMTOINTEGRATEOPERATIONSINTHEUSMCADetails">
        <link:definition>9954585 - Disclosure - TERNIUM TO INTEGRATE OPERATIONS IN THE USMCA (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
    </xs:appinfo>
  </xs:annotation>
  <xs:element id="tx_DepositCertificatesAndInvestmentFundsMember" abstract="true" name="DepositCertificatesAndInvestmentFundsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_OtherInvestmentsAsOfAcquisitionDate" abstract="false" name="OtherInvestmentsAsOfAcquisitionDate" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_PenaColoradaMember" abstract="true" name="PenaColoradaMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_ReductionOfCarbonEmissionsBy2030Member" abstract="true" name="ReductionOfCarbonEmissionsBy2030Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_OtheroperatingincomeexpensesnetAbstract" abstract="true" name="OtheroperatingincomeexpensesnetAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="tx_Othertaxliabilitiescurrent" abstract="false" name="Othertaxliabilitiescurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_AccumulatedOtherComprehensiveIncomeNetOfTax" abstract="false" name="AccumulatedOtherComprehensiveIncomeNetOfTax" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_CemigS.A.Member" abstract="true" name="CemigS.A.Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_ProportionOfSharesHeld" abstract="false" name="ProportionOfSharesHeld" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
  <xs:element id="tx_CivilAndOtherContingenciesRecognizedAsPartOfTheBusinessCombinationMember" abstract="true" name="CivilAndOtherContingenciesRecognizedAsPartOfTheBusinessCombinationMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_ServiciosIntegralesNovaDeMonterreySADeCVMember" abstract="true" name="ServiciosIntegralesNovaDeMonterreySADeCVMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_Otherdepositsnotclassifiedascashequivalents" abstract="false" name="Otherdepositsnotclassifiedascashequivalents" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_TerniumInternacionalElSalvadorSADeCVMember" abstract="true" name="TerniumInternacionalElSalvadorSADeCVMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_Taxreserve" abstract="false" name="Taxreserve" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_TaxEffectOfPriorYearIncomeTaxes" abstract="false" name="TaxEffectOfPriorYearIncomeTaxes" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_ScheduleofchangesindeferredincometaxTableTextBlock" abstract="false" name="ScheduleofchangesindeferredincometaxTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="tx_PurchasesofGoodsandServicesReceivedLeaseContractsRelatedPartyTransactions" abstract="false" name="PurchasesofGoodsandServicesReceivedLeaseContractsRelatedPartyTransactions" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_LaterthantwoyearsMember" abstract="true" name="LaterthantwoyearsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_UnusualOrInfrequentItemsOrBothDisclosure1TextBlock" abstract="false" name="UnusualOrInfrequentItemsOrBothDisclosure1TextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="tx_ScheduleofotheroperatingincomeexpensesnetTableTextBlock" abstract="false" name="ScheduleofotheroperatingincomeexpensesnetTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="tx_SellinggeneralandadministrativeexpenseTable" abstract="true" name="SellinggeneralandadministrativeexpenseTable" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType"/>
  <xs:element id="tx_UnusualOrInfrequentItemsOrBothDisclosure1Abstract" abstract="true" name="UnusualOrInfrequentItemsOrBothDisclosure1Abstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="tx_TaxProceedingsSeekingTheReversalOfICMSSPCreditsMember" abstract="true" name="TaxProceedingsSeekingTheReversalOfICMSSPCreditsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_IronOreMember" abstract="true" name="IronOreMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_ForeignExchangeDerivativesMember" abstract="true" name="ForeignExchangeDerivativesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_UsiminasMecanicaS.A.Member" abstract="true" name="UsiminasMecanicaS.A.Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_TerniumGasMexicoS.A.deC.V.Member" abstract="true" name="TerniumGasMexicoS.A.deC.V.Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_CoatedMember" abstract="true" name="CoatedMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_LongtermPurchaseCommitmentTotalPurchasedVolume" abstract="false" name="LongtermPurchaseCommitmentTotalPurchasedVolume" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:massItemType"/>
  <xs:element id="tx_LongTermContractForPurchaseOfNaturalGasDailyCapacityDeviation" abstract="false" name="LongTermContractForPurchaseOfNaturalGasDailyCapacityDeviation" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
  <xs:element id="tx_Otheroperatingincomeexpenserelatedpartytransactions" abstract="false" name="Otheroperatingincomeexpenserelatedpartytransactions" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_AcquisitionsThroughBusinessCombinationsRightOfUseAssets" abstract="false" name="AcquisitionsThroughBusinessCombinationsRightOfUseAssets" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_TerniumGuatemalaMember" abstract="true" name="TerniumGuatemalaMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_NumberOfDecisionsIssued" abstract="false" name="NumberOfDecisionsIssued" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="tx_Provisionforlegalclaimsandothermatters" abstract="false" name="Provisionforlegalclaimsandothermatters" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_DerivativeInstrumentsGainRecognizedinOtherComprehensiveIncomeLossEffectivePortion" abstract="false" name="DerivativeInstrumentsGainRecognizedinOtherComprehensiveIncomeLossEffectivePortion" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_TransamericaEITradingCorpMember" abstract="true" name="TransamericaEITradingCorpMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_TerniumInternationaalBVMember" abstract="true" name="TerniumInternationaalBVMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_Othercomprehensiveincomenetoftaxgainslossesonremeasurementsofdefinedbenefitplansofassociatesandjointventuresaccountedforusingequitymethod" abstract="false" name="Othercomprehensiveincomenetoftaxgainslossesonremeasurementsofdefinedbenefitplansofassociatesandjointventuresaccountedforusingequitymethod" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_NumberOfSharesContributedToPlanAssets" abstract="false" name="NumberOfSharesContributedToPlanAssets" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="tx_TerniumArgentinaS.A.andTerniumInternacionalEspanaS.L.U.Member" abstract="true" name="TerniumArgentinaS.A.andTerniumInternacionalEspanaS.L.U.Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_LongTermPurchaseCommitmentVolume" abstract="false" name="LongTermPurchaseCommitmentVolume" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:volumeItemType"/>
  <xs:element id="tx_UsiminasDebentures9thEmissionOriginationDateOfDecember2022Member" abstract="true" name="UsiminasDebentures9thEmissionOriginationDateOfDecember2022Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_KinderMorganTexasPipelineLLCKinderMorganTejasPipelineLLCAndKinderMorganGasNaturalDeMxicoSDeRLDeCVMember" abstract="true" name="KinderMorganTexasPipelineLLCKinderMorganTejasPipelineLLCAndKinderMorganGasNaturalDeMxicoSDeRLDeCVMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_Differencebetweenhistoricalcarryingamountsofassetsandvalueatwhichassetswerecontributed" abstract="false" name="Differencebetweenhistoricalcarryingamountsofassetsandvalueatwhichassetswerecontributed" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_AssetRetirementObligationCurrent1" abstract="false" name="AssetRetirementObligationCurrent1" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_GuarantorObligationsNatureDomain" abstract="true" name="GuarantorObligationsNatureDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_LitigationCase1Axis" abstract="true" name="LitigationCase1Axis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="tx_LitigationCaseDomain" abstract="true" name="LitigationCaseDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_DescriptionofaccountingpolicyforcostofsalessellinggeneralandadministrativeexpensesPolicyTextBlock" abstract="false" name="DescriptionofaccountingpolicyforcostofsalessellinggeneralandadministrativeexpensesPolicyTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="tx_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleChangeInRiskVariableImpactOnEquity" abstract="false" name="SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleChangeInRiskVariableImpactOnEquity" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_ProportionofOwnershipInterestinNonConsolidatedCompanies" abstract="false" name="ProportionofOwnershipInterestinNonConsolidatedCompanies" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="tx_NipponSteelCorporationMember" abstract="true" name="NipponSteelCorporationMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_TerniumInternacionalGuatemalaSAMember" abstract="true" name="TerniumInternacionalGuatemalaSAMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_TerniumInternacionalEspanaSLTerniumSolutionsSAAndTerniumInternationaalBVMember" abstract="true" name="TerniumInternacionalEspanaSLTerniumSolutionsSAAndTerniumInternationaalBVMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_ArgentinePesosDenominatedInstrumentsMember" abstract="true" name="ArgentinePesosDenominatedInstrumentsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_TaxContingenciesRecognizedAsPartOfTheBusinessCombinationMember" abstract="true" name="TaxContingenciesRecognizedAsPartOfTheBusinessCombinationMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_TerniumSiderurgicaDeCaldasSASMember" abstract="true" name="TerniumSiderurgicaDeCaldasSASMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_LaborcostsCostofSales" abstract="false" name="LaborcostsCostofSales" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_OtherinvestmentsAbstract" abstract="true" name="OtherinvestmentsAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="tx_IncreaseDecreaseThroughInterestAccruedCurrentLeaseLiabilities" abstract="false" name="IncreaseDecreaseThroughInterestAccruedCurrentLeaseLiabilities" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_Investmentsincompaniesundercostmethod" abstract="false" name="Investmentsincompaniesundercostmethod" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_DetailedInformationOfBusinessCombinationsAbstract" abstract="true" name="DetailedInformationOfBusinessCombinationsAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="tx_OtherLabourContingenciesMember" abstract="true" name="OtherLabourContingenciesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_MineracaoUsiminasMember" abstract="true" name="MineracaoUsiminasMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_ScheduleofEffectiveIncomeTaxRateReconciliationTableTextBlock" abstract="false" name="ScheduleofEffectiveIncomeTaxRateReconciliationTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="tx_RepaymentsNonCurrentLeaseLiabilities" abstract="false" name="RepaymentsNonCurrentLeaseLiabilities" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_InterestAccrualExpense" abstract="false" name="InterestAccrualExpense" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_AuditInformationAbstract" abstract="true" name="AuditInformationAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="tx_EffectsRelatedToTheIncreaseOfTheParticipationInSubsidiary" abstract="false" name="EffectsRelatedToTheIncreaseOfTheParticipationInSubsidiary" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_EngieS.AMember" abstract="true" name="EngieS.AMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_Noncurrentprepaymentsrelatedparties" abstract="false" name="Noncurrentprepaymentsrelatedparties" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_SharebasedCompensationArrangementbySharebasedPaymentAwardAwardVestingPeriod" abstract="false" name="SharebasedCompensationArrangementbySharebasedPaymentAwardAwardVestingPeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="tx_CommitmentsAxis" abstract="true" name="CommitmentsAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="tx_IndexationLeaseLiabilities" abstract="false" name="IndexationLeaseLiabilities" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_LSILogisticaS.A.Member" abstract="true" name="LSILogisticaS.A.Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_DisclosureofincometaxAbstract" abstract="true" name="DisclosureofincometaxAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="tx_UsiminasMember" abstract="true" name="UsiminasMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_GerdauMember" abstract="true" name="GerdauMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_AcquisitionsThroughBusinessCombinationsOtherProvisionsNonCurrent" abstract="false" name="AcquisitionsThroughBusinessCombinationsOtherProvisionsNonCurrent" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_DisclosureOfMaturityAnalysisOfLeasePaymentsTableTextBlock" abstract="false" name="DisclosureOfMaturityAnalysisOfLeasePaymentsTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="tx_Othercomprehensiveincomeexchangedifferencesontranslationofassociatesandjointventuresfromparticipationinnonconsolidatedcompaniesaccountedforusingequitymethod" abstract="false" name="Othercomprehensiveincomeexchangedifferencesontranslationofassociatesandjointventuresfromparticipationinnonconsolidatedcompaniesaccountedforusingequitymethod" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_ExirosBVMember" abstract="true" name="ExirosBVMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_FerropakComercialSADeCVMember" abstract="true" name="FerropakComercialSADeCVMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_IssuedcapitaldiscountMember" abstract="true" name="IssuedcapitaldiscountMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_DisclosureofcommitmentsandcontingenciesAbstract" abstract="true" name="DisclosureofcommitmentsandcontingenciesAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="tx_OfficeexpensesCostofSales" abstract="false" name="OfficeexpensesCostofSales" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_UsiminasBondsOriginationDateOfJuly2019Member" abstract="true" name="UsiminasBondsOriginationDateOfJuly2019Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_DisclosureofgeneralinformationaboutfinancialstatementsAbstract" abstract="true" name="DisclosureofgeneralinformationaboutfinancialstatementsAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="tx_CashFlowsUsedRelatedToTheIncreaseInTheParticipationInASubsidiary" abstract="false" name="CashFlowsUsedRelatedToTheIncreaseInTheParticipationInASubsidiary" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_InterestExpenseCurrentLeaseLiabilities" abstract="false" name="InterestExpenseCurrentLeaseLiabilities" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_AssetRetirementObligationMember" abstract="true" name="AssetRetirementObligationMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_Noncurrentreceivablesotherthantradereceivablesnet" abstract="false" name="Noncurrentreceivablesotherthantradereceivablesnet" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_IncreaseDecreaseThroughNetExchangeDifferencesNonCurrentLeaseLiabilities" abstract="false" name="IncreaseDecreaseThroughNetExchangeDifferencesNonCurrentLeaseLiabilities" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_Longtermcontractforpurchaseofnaturalgastransportationcapacity" abstract="false" name="Longtermcontractforpurchaseofnaturalgastransportationcapacity" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:energyItemType"/>
  <xs:element id="tx_ContingenciesRecognizedByUsiminasBeforeBusinessCombinationMember" abstract="true" name="ContingenciesRecognizedByUsiminasBeforeBusinessCombinationMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_LaborLawsuitsFiledByEmployeesFormerEmployeesAndOutsourcedPersonnelOfTheCubataoPlantMember" abstract="true" name="LaborLawsuitsFiledByEmployeesFormerEmployeesAndOutsourcedPersonnelOfTheCubataoPlantMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_ScheduleofcurrentreceivablesTableTextBlock" abstract="false" name="ScheduleofcurrentreceivablesTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="tx_LongTermPurchaseCommitmentExtensionPeriodForMaintenanceServicesOfTurbines" abstract="false" name="LongTermPurchaseCommitmentExtensionPeriodForMaintenanceServicesOfTurbines" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="tx_BuildingsandimprovementsMember" abstract="true" name="BuildingsandimprovementsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_Currentaccounts" abstract="false" name="Currentaccounts" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_InterestRateDerivativesMember" abstract="true" name="InterestRateDerivativesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_AcquisitionOfInvestmentsThroughBusinessCombinationAccountedForUsingEquityMethod" abstract="false" name="AcquisitionOfInvestmentsThroughBusinessCombinationAccountedForUsingEquityMethod" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_TradereceivablesnotguaranteedMember" abstract="true" name="TradereceivablesnotguaranteedMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_Effectofcurrencytranslationontaxbase" abstract="false" name="Effectofcurrencytranslationontaxbase" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_DisclosureofcashcashequivalentsandotherinvestmentsTextBlock" abstract="false" name="DisclosureofcashcashequivalentsandotherinvestmentsTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="tx_OtherComprehensiveIncomeLossIncreaseDecreaseNetofTax" abstract="false" name="OtherComprehensiveIncomeLossIncreaseDecreaseNetofTax" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_AdvancesToSuppliersForPropertyPlantAndEquipmentClassifiedAsInvestingActivities" abstract="false" name="AdvancesToSuppliersForPropertyPlantAndEquipmentClassifiedAsInvestingActivities" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_A24DistributosCCEARMember" abstract="true" name="A24DistributosCCEARMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_ClassificationOfDerivativeInstrumentMember" abstract="true" name="ClassificationOfDerivativeInstrumentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_DisclosureofotherliabilitiesAbstract" abstract="true" name="DisclosureofotherliabilitiesAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="tx_Otherreversalsofprovisionscurrent" abstract="false" name="Otherreversalsofprovisionscurrent" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_Receivables" abstract="false" name="Receivables" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_TecpetrolMember" abstract="true" name="TecpetrolMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_NetProceedsNonCurrentLeaseLiabilities" abstract="false" name="NetProceedsNonCurrentLeaseLiabilities" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_LongtermPurchaseCommitmentPercentageofPenalty" abstract="false" name="LongtermPurchaseCommitmentPercentageofPenalty" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="tx_SparepartsMember" abstract="true" name="SparepartsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_Deferredtaxexpenseincomerelatingtotherecoveryofincometax" abstract="false" name="Deferredtaxexpenseincomerelatingtotherecoveryofincometax" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_DeferredtaxliabilitiesMember" abstract="true" name="DeferredtaxliabilitiesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_Revenuefromsaleofgoodsandservicesrelatedpartytransactions" abstract="false" name="Revenuefromsaleofgoodsandservicesrelatedpartytransactions" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_PerformanceGuarantee1Member" abstract="true" name="PerformanceGuarantee1Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_ContingentLiabilityMonthlyInterestRate" abstract="false" name="ContingentLiabilityMonthlyInterestRate" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
  <xs:element id="tx_Proportionofsharesintenderoffer" abstract="false" name="Proportionofsharesintenderoffer" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="tx_Reserveofcashflowhedgesnetoftax" abstract="false" name="Reserveofcashflowhedgesnetoftax" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_Auditorsremunerationforauditrelatedservices" abstract="false" name="Auditorsremunerationforauditrelatedservices" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_LongtermContractforPurchaseofElectricPowerElectricalDemand" abstract="false" name="LongtermContractforPurchaseofElectricPowerElectricalDemand" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:powerItemType"/>
  <xs:element id="tx_GuaranteeFundCompaniesMember" abstract="true" name="GuaranteeFundCompaniesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_UsiminasParticipacoesELogisticaS.A.Member" abstract="true" name="UsiminasParticipacoesELogisticaS.A.Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_VariableRate1Axis" abstract="true" name="VariableRate1Axis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="tx_TaxCollectionProceedingsRelatedToICMSSPMember" abstract="true" name="TaxCollectionProceedingsRelatedToICMSSPMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_UnrecordedUnconditionalPurchaseObligationbyCategoryofItemPurchasedAxis" abstract="true" name="UnrecordedUnconditionalPurchaseObligationbyCategoryofItemPurchasedAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="tx_ICMSMember" abstract="true" name="ICMSMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_BorrowingsUndiscountedCashFlowsInterest" abstract="false" name="BorrowingsUndiscountedCashFlowsInterest" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_RepairandmaintenanceexpenseCostofSales" abstract="false" name="RepairandmaintenanceexpenseCostofSales" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_NoncurrentTradeReceivablesNet" abstract="false" name="NoncurrentTradeReceivablesNet" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_Noncurrentemployeeadvancesandloans" abstract="false" name="Noncurrentemployeeadvancesandloans" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_ConsorcioMineroBenitoJuarezPenaColoradaSAdeCVMember" abstract="true" name="ConsorcioMineroBenitoJuarezPenaColoradaSAdeCVMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_FinancingReceivablesUpTo180PastDueMember" abstract="true" name="FinancingReceivablesUpTo180PastDueMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_OtherTemporaryDifferencesDeferredTaxAssetsMember" abstract="true" name="OtherTemporaryDifferencesDeferredTaxAssetsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_TechnologyEngineeringServicesSAMember" abstract="true" name="TechnologyEngineeringServicesSAMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_Position1Axis" abstract="true" name="Position1Axis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="tx_LongTermPurchaseCommitmentObligationsOutstanding" abstract="false" name="LongTermPurchaseCommitmentObligationsOutstanding" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_InterestExpenseOnAssetCeilingInterestExpenseOnAssetCeilingDefinedBenefitPlan" abstract="false" name="InterestExpenseOnAssetCeilingInterestExpenseOnAssetCeilingDefinedBenefitPlan" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_ConfabIndustrialS.A.Member" abstract="true" name="ConfabIndustrialS.A.Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_OtherComprehensiveIncomeLossIncreaseDecreasebeforeTax" abstract="false" name="OtherComprehensiveIncomeLossIncreaseDecreasebeforeTax" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_LongtermPurchaseCommitmentAmount" abstract="false" name="LongtermPurchaseCommitmentAmount" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_FinancialInstrumentPerformanceStatus1Domain" abstract="true" name="FinancialInstrumentPerformanceStatus1Domain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_Miningconcessionadditionalterm" abstract="false" name="Miningconcessionadditionalterm" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="tx_PraxairMexicoMember" abstract="true" name="PraxairMexicoMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_UsiminasMineracaoS.A.Member" abstract="true" name="UsiminasMineracaoS.A.Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_CategoryofItemPurchasedAxis" abstract="true" name="CategoryofItemPurchasedAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="tx_TerniumInternacionalNicaraguaSAMember" abstract="true" name="TerniumInternacionalNicaraguaSAMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_DisclosureofinterestsinotherentitiesAbstract" abstract="true" name="DisclosureofinterestsinotherentitiesAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="tx_IncreaseDecreaseInTransfersNewParticipantsAndFundingOfThePlanNetDefinedBenefitLiabilityAsset" abstract="false" name="IncreaseDecreaseInTransfersNewParticipantsAndFundingOfThePlanNetDefinedBenefitLiabilityAsset" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_ScheduleofprovisionsTableTextBlock" abstract="false" name="ScheduleofprovisionsTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="tx_SovereignBondsMember" abstract="true" name="SovereignBondsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_VariableRate1Domain" abstract="true" name="VariableRate1Domain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_ComgasS.AMember" abstract="true" name="ComgasS.AMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_SolucionesIntegralesDeGestinSAAndTerniumParticipaoesSAMember" abstract="true" name="SolucionesIntegralesDeGestinSAAndTerniumParticipaoesSAMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_TransportadoraDeGasDelNorteSAAndEnergyConsultingServicesSAMember" abstract="true" name="TransportadoraDeGasDelNorteSAAndEnergyConsultingServicesSAMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_Taxeffectofrecoveryofincometax" abstract="false" name="Taxeffectofrecoveryofincometax" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_DebenturesMember" abstract="true" name="DebenturesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_DisclosureoftradereceivablesTable" abstract="true" name="DisclosureoftradereceivablesTable" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType"/>
  <xs:element id="tx_Shareofprofitlossofassociatesandjointventuresaccountedforusingequitymethodincludingimpairment" abstract="false" name="Shareofprofitlossofassociatesandjointventuresaccountedforusingequitymethodincludingimpairment" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_CanadianSolarS.A.Member" abstract="true" name="CanadianSolarS.A.Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_OtherContingenciesMember" abstract="true" name="OtherContingenciesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_FinancingReceivablesPeriodPastDue1Axis" abstract="true" name="FinancingReceivablesPeriodPastDue1Axis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="tx_Recoveryfromsalesofscrapandbyproducts" abstract="false" name="Recoveryfromsalesofscrapandbyproducts" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_ImpecoSAMember" abstract="true" name="ImpecoSAMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_TerniumMember" abstract="true" name="TerniumMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_DeferredincometaxAbstract" abstract="true" name="DeferredincometaxAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="tx_FunctionalCurrencyAxis" abstract="true" name="FunctionalCurrencyAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="tx_AdjustmentsForInterestIncomeExpense" abstract="false" name="AdjustmentsForInterestIncomeExpense" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_NonU.SGovernmentInstrumentsAmountContributedToFairValueOfPlanAssets" abstract="false" name="NonU.SGovernmentInstrumentsAmountContributedToFairValueOfPlanAssets" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_PricePerShareAsPerSharePurchaseAgreement" abstract="false" name="PricePerShareAsPerSharePurchaseAgreement" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:perShareItemType"/>
  <xs:element id="tx_PublicUtilitiesInventoryFuel1Member" abstract="true" name="PublicUtilitiesInventoryFuel1Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_MBLMateriaisBasicosLtda.Member" abstract="true" name="MBLMateriaisBasicosLtda.Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_NumberOfExecutiveBoardMembers" abstract="false" name="NumberOfExecutiveBoardMembers" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="tx_DerivativeFinancialAssetsTradingAverageSharePrice" abstract="false" name="DerivativeFinancialAssetsTradingAverageSharePrice" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="tx_DisclosureofrelatedpartyAbstract" abstract="true" name="DisclosureofrelatedpartyAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="tx_TradereceivablesguaranteedMember" abstract="true" name="TradereceivablesguaranteedMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_TerniumArgentinaAndProsidMember" abstract="true" name="TerniumArgentinaAndProsidMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_ReportingYearDomain" abstract="true" name="ReportingYearDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_Borrowingsnetseniorleverageratio" abstract="false" name="Borrowingsnetseniorleverageratio" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="tx_DebtInstrumentAverageLife" abstract="false" name="DebtInstrumentAverageLife" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="tx_LaborCostsAbstract" abstract="true" name="LaborCostsAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="tx_MRSLogisticaS.A.Member" abstract="true" name="MRSLogisticaS.A.Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_DisclosureOfDefinedBenefitPlanExpenseRecognizedInOtherComprehensiveIncomeExplanatoryTableTextBlock" abstract="false" name="DisclosureOfDefinedBenefitPlanExpenseRecognizedInOtherComprehensiveIncomeExplanatoryTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="tx_OtherNotesMember" abstract="true" name="OtherNotesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_InventoryValuationAllowance" abstract="false" name="InventoryValuationAllowance" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_Miscellaneousfinancialincomecost" abstract="false" name="Miscellaneousfinancialincomecost" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_NegotiableObligationsAndPromissoryNotesMember" abstract="true" name="NegotiableObligationsAndPromissoryNotesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_OthercurrenciesMember" abstract="true" name="OthercurrenciesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_PaymentsOfLeaseLiabilitiesCurrentClassifiedAsFinancingActivities" abstract="false" name="PaymentsOfLeaseLiabilitiesCurrentClassifiedAsFinancingActivities" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_MaintenanceServicesMember" abstract="true" name="MaintenanceServicesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_ScheduleofcostofsalesTableTextBlock" abstract="false" name="ScheduleofcostofsalesTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="tx_ActuarialAssumptionsOfExpectedReturnOnPlanAssets" abstract="false" name="ActuarialAssumptionsOfExpectedReturnOnPlanAssets" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
  <xs:element id="tx_FinanceExpenseLeaseContractsWithRelatedParties" abstract="false" name="FinanceExpenseLeaseContractsWithRelatedParties" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_Reclassificationadjustmentsonchangeinvalueofforeigncurrencybasisspreads" abstract="false" name="Reclassificationadjustmentsonchangeinvalueofforeigncurrencybasisspreads" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_LabourContingenciesRecognizedAsPartOfTheBusinessCombinationMember" abstract="true" name="LabourContingenciesRecognizedAsPartOfTheBusinessCombinationMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_TerniumArgentinaS.A.andTerniumProcurementS.A.Member" abstract="true" name="TerniumArgentinaS.A.andTerniumProcurementS.A.Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_NaturalGasMember" abstract="true" name="NaturalGasMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_NonCurrentReceivablesDueFromJudicialDepositsAndOther" abstract="false" name="NonCurrentReceivablesDueFromJudicialDepositsAndOther" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_Short1Member" abstract="true" name="Short1Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_ScheduleofInventoryCurrentTableTextBlock" abstract="false" name="ScheduleofInventoryCurrentTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="tx_CashAcquiredThroughBusinessCombinationClassifiedAsInvestingActivities" abstract="false" name="CashAcquiredThroughBusinessCombinationClassifiedAsInvestingActivities" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_UsinasSiderurgicasDeMinasGeraisS.A.Member" abstract="true" name="UsinasSiderurgicasDeMinasGeraisS.A.Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_DerivativeinstrumentsgainlossTable" abstract="true" name="DerivativeinstrumentsgainlossTable" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType"/>
  <xs:element id="tx_DisclosureofadditionalinformationAbstract" abstract="true" name="DisclosureofadditionalinformationAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="tx_MinimumAnnualOxygenConsumptionMember" abstract="true" name="MinimumAnnualOxygenConsumptionMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_NumberOfSharesAcquiredThroughBusinessCombination" abstract="false" name="NumberOfSharesAcquiredThroughBusinessCombination" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="tx_GuarantorObligationsNatureAxis" abstract="true" name="GuarantorObligationsNatureAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="tx_TerniumDelAtlanticoSASMember" abstract="true" name="TerniumDelAtlanticoSASMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_TerniumInternacionalCostaRicaSAMember" abstract="true" name="TerniumInternacionalCostaRicaSAMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_ContingentLiabilityTenderOfferLitigation" abstract="false" name="ContingentLiabilityTenderOfferLitigation" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_GuarantorObligationsOutstanding" abstract="false" name="GuarantorObligationsOutstanding" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_ReversalOfTheAssetInConnectionWithTheSlabCommitmentAgreement" abstract="false" name="ReversalOfTheAssetInConnectionWithTheSlabCommitmentAgreement" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_LaborcostsSGA" abstract="false" name="LaborcostsSGA" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_ProportionOfControlGroupSharesRequiredForDecision" abstract="false" name="ProportionOfControlGroupSharesRequiredForDecision" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
  <xs:element id="tx_Increasedecreaseinotherinvestments" abstract="false" name="Increasedecreaseinotherinvestments" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_AdditionalProvisionsOtherProvisionsNonCurrent" abstract="false" name="AdditionalProvisionsOtherProvisionsNonCurrent" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_Increasedecreasethroughreclassificationsliabilitiesarisingfromfinancingactivities" abstract="false" name="Increasedecreasethroughreclassificationsliabilitiesarisingfromfinancingactivities" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_BorrowingsBondsMember" abstract="true" name="BorrowingsBondsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_TenarisConfabMember" abstract="true" name="TenarisConfabMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleChangeInRiskVariablePercent" abstract="false" name="SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleChangeInRiskVariablePercent" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="tx_ForeignCurrencyTranslationDifferences" abstract="false" name="ForeignCurrencyTranslationDifferences" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_VientosDeOlavarriaSAMember" abstract="true" name="VientosDeOlavarriaSAMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_ScheduleofcondensedstatementofcomprehensiveincomeTableTextBlock" abstract="false" name="ScheduleofcondensedstatementofcomprehensiveincomeTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="tx_ActuarialGainsLossesArisingFromExpectedReturnOnAssetsBeforeTaxDefinedBenefitPlans" abstract="false" name="ActuarialGainsLossesArisingFromExpectedReturnOnAssetsBeforeTaxDefinedBenefitPlans" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_DescriptionofaccountingpolicyforotherinvestmentsPolicyTextBlock" abstract="false" name="DescriptionofaccountingpolicyforotherinvestmentsPolicyTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="tx_RecyclingOfOtherComprehensiveIncomeRelatedToTheIncreaseOfTheParticipationInSubsidiary" abstract="false" name="RecyclingOfOtherComprehensiveIncomeRelatedToTheIncreaseOfTheParticipationInSubsidiary" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_UsiminasMecanicaS.A.AndRiosUnidosLogisticaETransporteDeAcoLtda.Member" abstract="true" name="UsiminasMecanicaS.A.AndRiosUnidosLogisticaETransporteDeAcoLtda.Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_InterestExpenseNonCurrentLeaseLiabilities" abstract="false" name="InterestExpenseNonCurrentLeaseLiabilities" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_Otherinvestmentsnetnoncurrent" abstract="false" name="Otherinvestmentsnetnoncurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_Numberofsharesexceedingthresholdfortenderofferrequirement" abstract="false" name="Numberofsharesexceedingthresholdfortenderofferrequirement" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="tx_Numberofmegawatts" abstract="false" name="Numberofmegawatts" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:powerItemType"/>
  <xs:element id="tx_CurrentReceivablesNet" abstract="false" name="CurrentReceivablesNet" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_IncreaseDecreaseThroughInterestAccruedLeaseLiabilities" abstract="false" name="IncreaseDecreaseThroughInterestAccruedLeaseLiabilities" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_FinancialAssetsAtFairValueInterestAccrued" abstract="false" name="FinancialAssetsAtFairValueInterestAccrued" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_PlanName1Domain" abstract="true" name="PlanName1Domain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_InitialpublicofferingexpensesMember" abstract="true" name="InitialpublicofferingexpensesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_MetalcentroLtda.Member" abstract="true" name="MetalcentroLtda.Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_DeferredtaxassetsMember" abstract="true" name="DeferredtaxassetsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_Debtissuancecostscurrent" abstract="false" name="Debtissuancecostscurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_DebtInstrument1Axis" abstract="true" name="DebtInstrument1Axis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="tx_SolucoesEmAcoUsiminasS.A.Member" abstract="true" name="SolucoesEmAcoUsiminasS.A.Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_TerniumMexicoSyndicatedLoanDueJune2023Member" abstract="true" name="TerniumMexicoSyndicatedLoanDueJune2023Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_PlanName1Axis" abstract="true" name="PlanName1Axis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="tx_NetCash" abstract="false" name="NetCash" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_AcquisitionOfPropertyPlantAndEquipmentUnderLeaseContractAgreement" abstract="false" name="AcquisitionOfPropertyPlantAndEquipmentUnderLeaseContractAgreement" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_GEGlobalPartsandProductsGMBHGeneralElectricInternationalInc.andAlstomEnergiaTrmicaeIndstriaLtda.Member" abstract="true" name="GEGlobalPartsandProductsGMBHGeneralElectricInternationalInc.andAlstomEnergiaTrmicaeIndstriaLtda.Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_PerformingFinancialInstrumentsMember" abstract="true" name="PerformingFinancialInstrumentsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_TheTTGroupTheNSCGroupAndPrevidenciaUsiminasMember" abstract="true" name="TheTTGroupTheNSCGroupAndPrevidenciaUsiminasMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_UsefulLifeMeasuredasPeriodofTimeRightofUseAssets" abstract="false" name="UsefulLifeMeasuredasPeriodofTimeRightofUseAssets" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="tx_PastdueMember" abstract="true" name="PastdueMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_OtherexpensebyfunctionCostofSales" abstract="false" name="OtherexpensebyfunctionCostofSales" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_Othercomprehensiveincomeexchangedifferencesontranslation" abstract="false" name="Othercomprehensiveincomeexchangedifferencesontranslation" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_AccumulatedOtherComprehensiveIncomeTax" abstract="false" name="AccumulatedOtherComprehensiveIncomeTax" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_Purchasesofgoodsandservicesrelatedpartytransactions" abstract="false" name="Purchasesofgoodsandservicesrelatedpartytransactions" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_ScheduleofnoncurrentreceivablesTableTextBlock" abstract="false" name="ScheduleofnoncurrentreceivablesTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="tx_DisclosureofMajorComponentsofTaxExpenseIncomeTableTextBlock" abstract="false" name="DisclosureofMajorComponentsofTaxExpenseIncomeTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="tx_IndustrialGasMember" abstract="true" name="IndustrialGasMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_DisclosureOfDefinedBenefitPlanExpenseRecognizedInProfitOrLossExplanatoryTableTextBlock" abstract="false" name="DisclosureOfDefinedBenefitPlanExpenseRecognizedInProfitOrLossExplanatoryTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="tx_DisclosureoflaborcostsTextBlock" abstract="false" name="DisclosureoflaborcostsTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="tx_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationTableTextBlock" abstract="false" name="FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="tx_AllowanceForCreditLossesAsOfAcquisitionDate" abstract="false" name="AllowanceForCreditLossesAsOfAcquisitionDate" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_Borrowingspercentageoftotalborrowings" abstract="false" name="Borrowingspercentageoftotalborrowings" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="tx_FutureFinanceCharges" abstract="false" name="FutureFinanceCharges" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_SouthernregionMember" abstract="true" name="SouthernregionMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_LasEncinasSADeCVMember" abstract="true" name="LasEncinasSADeCVMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_MexicanTaxAuthority1Member" abstract="true" name="MexicanTaxAuthority1Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_TerniumInvestmentsS.aR.l.ProsidInvestmentsS.A.AndTerniumArgentinaS.A.Member" abstract="true" name="TerniumInvestmentsS.aR.l.ProsidInvestmentsS.A.AndTerniumArgentinaS.A.Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_DerivativeinstrumentsgainlossLineItems" abstract="true" name="DerivativeinstrumentsgainlossLineItems" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="tx_Bankborrowingsundiscountedcashflowsnoncurrent" abstract="false" name="Bankborrowingsundiscountedcashflowsnoncurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_TaxIncentiveGrantPeriod" abstract="false" name="TaxIncentiveGrantPeriod" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="tx_CashAndCashEquivalents1Axis" abstract="true" name="CashAndCashEquivalents1Axis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="tx_TenarisInvestmentsSarlMember" abstract="true" name="TenarisInvestmentsSarlMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_DepreciationpropertyplantandequipmentCostofSales" abstract="false" name="DepreciationpropertyplantandequipmentCostofSales" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_ReclassificationsNonCurrentLeaseLiabilities" abstract="false" name="ReclassificationsNonCurrentLeaseLiabilities" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_Increasedecreasethroughnetexchangedifferencesotherprovisionscurrent" abstract="false" name="Increasedecreasethroughnetexchangedifferencesotherprovisionscurrent" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_InformationsystemprojectsMember" abstract="true" name="InformationsystemprojectsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_LineOfCreditFacilityDisbursed" abstract="false" name="LineOfCreditFacilityDisbursed" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_FunctionalCurrencyDomain" abstract="true" name="FunctionalCurrencyDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_VehiclefurnitureandfixturesMember" abstract="true" name="VehiclefurnitureandfixturesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_OtherProductsMember" abstract="true" name="OtherProductsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_LaborLawsuitsAtCubataoPlantMember" abstract="true" name="LaborLawsuitsAtCubataoPlantMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_DisclosureofInterestinNonConsolidatedCompaniesTableTextBlock" abstract="false" name="DisclosureofInterestinNonConsolidatedCompaniesTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="tx_NumberOfPaymentMethodsTowardsPostRetirementPlans" abstract="false" name="NumberOfPaymentMethodsTowardsPostRetirementPlans" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="tx_IncreaseDecreaseInInventoryValuationAllowance" abstract="false" name="IncreaseDecreaseInInventoryValuationAllowance" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_GasmigS.A.Member" abstract="true" name="GasmigS.A.Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_TerniumS.A.Member" abstract="true" name="TerniumS.A.Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_EnvironmentalRemediationDomain" abstract="true" name="EnvironmentalRemediationDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_DividendsnotpaidonTreasuryShares" abstract="false" name="DividendsnotpaidonTreasuryShares" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_DisclosureOfQuantitativeInformationAboutLeasesForLesseeTableTextBlock" abstract="false" name="DisclosureOfQuantitativeInformationAboutLeasesForLesseeTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="tx_IndexationCurrentLeaseLiabilities" abstract="false" name="IndexationCurrentLeaseLiabilities" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_Currentprepaymentsrelatedparty" abstract="false" name="Currentprepaymentsrelatedparty" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_CommodityContractsMember" abstract="true" name="CommodityContractsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_GalvacerChileSAMember" abstract="true" name="GalvacerChileSAMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_TerniumInvestmentsMember" abstract="true" name="TerniumInvestmentsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_KinderMorganGasMember" abstract="true" name="KinderMorganGasMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_NumberOfJustices" abstract="false" name="NumberOfJustices" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="tx_RepairandmaintenanceexpenseSGA" abstract="false" name="RepairandmaintenanceexpenseSGA" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_Gainslossesonexchangedifferencesontranslation" abstract="false" name="Gainslossesonexchangedifferencesontranslation" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_ScheduleofothercurrentliabilitiesTableTextBlock" abstract="false" name="ScheduleofothercurrentliabilitiesTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="tx_ScheduleofsellinggeneralandadministrativeexpenseTableTextBlock" abstract="false" name="ScheduleofsellinggeneralandadministrativeexpenseTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="tx_ValeSAMineracaoCorumbaenseReunidaSAMember" abstract="true" name="ValeSAMineracaoCorumbaenseReunidaSAMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_Provisionforlegalclaimsandothermattersnetreversals" abstract="false" name="Provisionforlegalclaimsandothermattersnetreversals" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_TechintHoldingsS..r.lMember" abstract="true" name="TechintHoldingsS..r.lMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_FinancialAssetsAtFairValueDisinvestment" abstract="false" name="FinancialAssetsAtFairValueDisinvestment" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_Position1Domain" abstract="true" name="Position1Domain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_UnrecordedUnconditionalPurchaseObligationByCategoryOfItemPurchasedDomain" abstract="true" name="UnrecordedUnconditionalPurchaseObligationByCategoryOfItemPurchasedDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_BorrowingsNumberOfInstallmentsRepayment" abstract="false" name="BorrowingsNumberOfInstallmentsRepayment" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="tx_IncreaseDecreaseThroughNetExchangeDifferencesCurrentLeaseLiabilities" abstract="false" name="IncreaseDecreaseThroughNetExchangeDifferencesCurrentLeaseLiabilities" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_Receivableswithrelatedpartiescurrent" abstract="false" name="Receivableswithrelatedpartiescurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_Taxbenefitrecognisedasofacquisitiondate" abstract="false" name="Taxbenefitrecognisedasofacquisitiondate" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_DisclosureofcommitmentandcontingenciesAbstract" abstract="true" name="DisclosureofcommitmentandcontingenciesAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="tx_SettlementAmount" abstract="false" name="SettlementAmount" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_FinanceIncomeExpenseWithRelatedParties" abstract="false" name="FinanceIncomeExpenseWithRelatedParties" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_AnnualProductionCapacitySteelVolume" abstract="false" name="AnnualProductionCapacitySteelVolume" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="tx_Obsolescenceallowance" abstract="false" name="Obsolescenceallowance" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_Amortisationrates" abstract="false" name="Amortisationrates" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="tx_PaymentsToNoncontrollingInterests1" abstract="false" name="PaymentsToNoncontrollingInterests1" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_CashAndCashEquivalentsAndOtherInvestments" abstract="false" name="CashAndCashEquivalentsAndOtherInvestments" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_TerniumColombiaS.A.S.TerniumDelCaucaS.A.S.TerniumDelAtlanticoS.A.STerniumProcurementS.A.TechnologyEngineeringServicesS.A.Member" abstract="true" name="TerniumColombiaS.A.S.TerniumDelCaucaS.A.S.TerniumDelAtlanticoS.A.STerniumProcurementS.A.TechnologyEngineeringServicesS.A.Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_OtherexpensebyfunctionSGA" abstract="false" name="OtherexpensebyfunctionSGA" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_DebtToCapitalRatio" abstract="false" name="DebtToCapitalRatio" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="tx_AdjustmentsToReconcileProfitLossNonCashAbstractAbstract" abstract="true" name="AdjustmentsToReconcileProfitLossNonCashAbstractAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="tx_NumberOneMember" abstract="true" name="NumberOneMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_CurrentAssetsReceivablesNet" abstract="false" name="CurrentAssetsReceivablesNet" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_ProvisionsAsOfAcquisitionDate" abstract="false" name="ProvisionsAsOfAcquisitionDate" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_Deferredtaxassetsrecognizedonunusedtaxlosses" abstract="false" name="Deferredtaxassetsrecognizedonunusedtaxlosses" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_DescriptionOfAccountingPolicyForAssetRetirementObligationsPolicyTextBlock" abstract="false" name="DescriptionOfAccountingPolicyForAssetRetirementObligationsPolicyTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="tx_IncreaseDecreaseThroughNetExchangeDifferencesLeaseLiabilities" abstract="false" name="IncreaseDecreaseThroughNetExchangeDifferencesLeaseLiabilities" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_LongtermPurchaseCommitmentPeriodForMaintenanceServicesofTurbines" abstract="false" name="LongtermPurchaseCommitmentPeriodForMaintenanceServicesofTurbines" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="tx_Financialassetsinvestmentsassessedasinvestmentgradepercent" abstract="false" name="Financialassetsinvestmentsassessedasinvestmentgradepercent" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="tx_OtherMember" abstract="true" name="OtherMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_A2011Member" abstract="true" name="A2011Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_DisposalsRightofUseAssets" abstract="false" name="DisposalsRightofUseAssets" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_SteelMember" abstract="true" name="SteelMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_NondeliverableforwardcontractMember" abstract="true" name="NondeliverableforwardcontractMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_Otheroperatingexpense" abstract="false" name="Otheroperatingexpense" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_Keymanagementpersonnelcompensationshares" abstract="false" name="Keymanagementpersonnelcompensationshares" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="tx_PrimetalsTechnologiesBrazilLtda.Member" abstract="true" name="PrimetalsTechnologiesBrazilLtda.Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_AccumulatedOtherComprehensiveIncomeExchangeDifferencesonTranslation" abstract="false" name="AccumulatedOtherComprehensiveIncomeExchangeDifferencesonTranslation" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_ExternalCustomersMember" abstract="true" name="ExternalCustomersMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_FinancialInstrumentPerformanceStatus1Axis" abstract="true" name="FinancialInstrumentPerformanceStatus1Axis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="tx_LongTermPurchaseCommitmentMinimumVolume" abstract="false" name="LongTermPurchaseCommitmentMinimumVolume" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:massItemType"/>
  <xs:element id="tx_OtherfinancialincomeexpensesnetAbstract" abstract="true" name="OtherfinancialincomeexpensesnetAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="tx_InventoryMember" abstract="true" name="InventoryMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_LitigationStatus1Axis" abstract="true" name="LitigationStatus1Axis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="tx_DisclosureofsignificantaccountingpoliciesAbstract" abstract="true" name="DisclosureofsignificantaccountingpoliciesAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="tx_ScheduleofotherinvestmentsTableTextBlock" abstract="false" name="ScheduleofotherinvestmentsTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="tx_DisclosureofotherfinancialincomeexpensesnetTextBlock" abstract="false" name="DisclosureofotherfinancialincomeexpensesnetTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="tx_ScheduleofreconciliationofchangesinfinancialdebtTableTextBlock" abstract="false" name="ScheduleofreconciliationofchangesinfinancialdebtTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="tx_IndexationNonCurrentLeaseLiabilities" abstract="false" name="IndexationNonCurrentLeaseLiabilities" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_HotRolledMember" abstract="true" name="HotRolledMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_TerniumBrasilLtda.AndUsinasSiderurgicasDeMinasGeraisS.A.Member" abstract="true" name="TerniumBrasilLtda.AndUsinasSiderurgicasDeMinasGeraisS.A.Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_LongTermContractForPurchaseOfNaturalGasTransportationPeriod" abstract="false" name="LongTermContractForPurchaseOfNaturalGasTransportationPeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="tx_EffectRelatedToTheIncreaseOfTheParticipationInSubsidiary" abstract="false" name="EffectRelatedToTheIncreaseOfTheParticipationInSubsidiary" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_UnusedTaxLossesGeneratedFromPriorPeriodForWhichNoDeferredTaxAssetRecognized" abstract="false" name="UnusedTaxLossesGeneratedFromPriorPeriodForWhichNoDeferredTaxAssetRecognized" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
  <xs:element id="tx_PercentageIncreaseDecreaseInDefinedBenefitObligationDueToReasonablyPossibleIncreaseInActuarialAssumption" abstract="false" name="PercentageIncreaseDecreaseInDefinedBenefitObligationDueToReasonablyPossibleIncreaseInActuarialAssumption" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="tx_IndexationRightOfUseAssets" abstract="false" name="IndexationRightOfUseAssets" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_Percentageofelectricityneedssupplied" abstract="false" name="Percentageofelectricityneedssupplied" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="tx_TerniumGasMexicoSADeCVMember" abstract="true" name="TerniumGasMexicoSADeCVMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_Proportionofownershipinterestinassociatespowersupply" abstract="false" name="Proportionofownershipinterestinassociatespowersupply" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="tx_Provisionusedotherprovisionsnoncurrent" abstract="false" name="Provisionusedotherprovisionsnoncurrent" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_AdjustmentForPostRetirementBenefitAndContingencies" abstract="false" name="AdjustmentForPostRetirementBenefitAndContingencies" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_DebtInstrumentPercentageOfDebtServiceReserveAccount" abstract="false" name="DebtInstrumentPercentageOfDebtServiceReserveAccount" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="tx_Currentmiscellaneousotherliabilities" abstract="false" name="Currentmiscellaneousotherliabilities" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_ObsolescenceallowanceMember" abstract="true" name="ObsolescenceallowanceMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_AmericanDepositorySharesMember" abstract="true" name="AmericanDepositorySharesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_NumberOfKilometresOfNetworkManaged" abstract="false" name="NumberOfKilometresOfNetworkManaged" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types1:lengthItemType"/>
  <xs:element id="tx_SensitivityAnalysisForTypesOfMarketRiskNetInvestmentsExposedtoVolatilityinExchangeRatesAmount" abstract="false" name="SensitivityAnalysisForTypesOfMarketRiskNetInvestmentsExposedtoVolatilityinExchangeRatesAmount" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_CashAndCashEquivalents1Member" abstract="true" name="CashAndCashEquivalents1Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_FinancingReceivablesEqualtoGreaterthan1DayPastDueMember" abstract="true" name="FinancingReceivablesEqualtoGreaterthan1DayPastDueMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_NoncashInvestingandFinancingItemsAbstract" abstract="true" name="NoncashInvestingandFinancingItemsAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="tx_FinancialAssetsAtFairValueChangesInFairValue" abstract="false" name="FinancialAssetsAtFairValueChangesInFairValue" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_TerniumInvestmentsS.a.r.lTerniumInternacionalEspanaS.L.Member" abstract="true" name="TerniumInvestmentsS.a.r.lTerniumInternacionalEspanaS.L.Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_DisclosureOfMaturitiesOfBorrowingsTableTextBlock" abstract="false" name="DisclosureOfMaturitiesOfBorrowingsTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="tx_FixedIncomeTimeDepositZeroCouponBondsCommercialPapersMember" abstract="true" name="FixedIncomeTimeDepositZeroCouponBondsCommercialPapersMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_DescriptionofaccountingpolicyforminingdevelopmentcostsPolicyTextBlock" abstract="false" name="DescriptionofaccountingpolicyforminingdevelopmentcostsPolicyTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="tx_LasEncinasMember" abstract="true" name="LasEncinasMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_ScheduleofcashandcashequivalentsTableTextBlock" abstract="false" name="ScheduleofcashandcashequivalentsTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="tx_RollFormedAndTubularMember" abstract="true" name="RollFormedAndTubularMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_TerniumBrasilLtda.Member" abstract="true" name="TerniumBrasilLtda.Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_Bankborrowingsundiscountedcashflowscurrent" abstract="false" name="Bankborrowingsundiscountedcashflowscurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_Otherreversalsofprovisionsnoncurrent" abstract="false" name="Otherreversalsofprovisionsnoncurrent" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_NetProceedsCurrentLeaseLiabilities" abstract="false" name="NetProceedsCurrentLeaseLiabilities" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_RiosUnidosLogisticaETransporteDeAcoLtda.Member" abstract="true" name="RiosUnidosLogisticaETransporteDeAcoLtda.Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_ReclassificationsLeaseLiabilities" abstract="false" name="ReclassificationsLeaseLiabilities" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleChangeInRiskVariableImpactOnPreTaxEarnings" abstract="false" name="SensitivityAnalysisForTypesOfMarketRiskReasonablyPossibleChangeInRiskVariableImpactOnPreTaxEarnings" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_UsiminasDebentures8thEmissionOriginationDateOfMay2022Member" abstract="true" name="UsiminasDebentures8thEmissionOriginationDateOfMay2022Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_LongTermPurchaseCommitmentTerm" abstract="false" name="LongTermPurchaseCommitmentTerm" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="tx_PurchaseOfPropertyPlantAndEquipmentAndAdvancesToSuppliersClassifiedAsInvestingActivities" abstract="false" name="PurchaseOfPropertyPlantAndEquipmentAndAdvancesToSuppliersClassifiedAsInvestingActivities" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_PricewaterhouseCoopersMember" abstract="true" name="PricewaterhouseCoopersMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_Othernoncurrentreceivablesnet" abstract="false" name="Othernoncurrentreceivablesnet" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_ReclassificationfromAOCINetofTax" abstract="false" name="ReclassificationfromAOCINetofTax" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_LaborLawsuitsAtIpatingaPlantMember" abstract="true" name="LaborLawsuitsAtIpatingaPlantMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_CommitmentsDomain" abstract="true" name="CommitmentsDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_PendingLitigation1Member" abstract="true" name="PendingLitigation1Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_PostRetirementBenefitPlanMonthlyFeePercent" abstract="false" name="PostRetirementBenefitPlanMonthlyFeePercent" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
  <xs:element id="tx_SyndicatedLoanMember" abstract="true" name="SyndicatedLoanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_DeferredCompensationSharebasedArrangementsLiability" abstract="false" name="DeferredCompensationSharebasedArrangementsLiability" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_TechgenS.A.deC.V.Member" abstract="true" name="TechgenS.A.deC.V.Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_GuarantorObligationsPercentage" abstract="false" name="GuarantorObligationsPercentage" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="tx_ReversalOfICMSCreditsMember" abstract="true" name="ReversalOfICMSCreditsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_PrevidnciaUsiminasMember" abstract="true" name="PrevidnciaUsiminasMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_CompanhiaDistribuidoradeGsdoRiodeJaneiroMember" abstract="true" name="CompanhiaDistribuidoradeGsdoRiodeJaneiroMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_DescriptionofaccountingpolicyforcriticalaccountingestimatesPolicyTextBlock" abstract="false" name="DescriptionofaccountingpolicyforcriticalaccountingestimatesPolicyTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="tx_UnigalUsiminasLtda.Member" abstract="true" name="UnigalUsiminasLtda.Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_DisclosureofleasesAbstract" abstract="true" name="DisclosureofleasesAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="tx_Tenderofferpercent" abstract="false" name="Tenderofferpercent" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="tx_BankBorrowingsMember" abstract="true" name="BankBorrowingsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_Terminationbenefitscurrent" abstract="false" name="Terminationbenefitscurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_FinancialGuarantee1Member" abstract="true" name="FinancialGuarantee1Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_EnvironmentalRemediationAxis" abstract="true" name="EnvironmentalRemediationAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="tx_DomesticTaxAuthorityMember" abstract="true" name="DomesticTaxAuthorityMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_Miningconcessionperiod" abstract="false" name="Miningconcessionperiod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="tx_NonCashEffectsRelatedToTheIncreaseOfTheParticipationInSubsidiary" abstract="false" name="NonCashEffectsRelatedToTheIncreaseOfTheParticipationInSubsidiary" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_TerniumBrazilSyndicatedLoanOriginationDateOfAugust2019Member" abstract="true" name="TerniumBrazilSyndicatedLoanOriginationDateOfAugust2019Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_Postemploymentbenefitliabilitynoncurrent" abstract="false" name="Postemploymentbenefitliabilitynoncurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_NumberOfStandByLettersOfCredit" abstract="false" name="NumberOfStandByLettersOfCredit" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="tx_OtherReceivablesAsOfAcquisitionDate" abstract="false" name="OtherReceivablesAsOfAcquisitionDate" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_TerniumParticipacoesSAEmLiquidacaoMember" abstract="true" name="TerniumParticipacoesSAEmLiquidacaoMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_SharebasedCompensationArrangementbySharebasedPaymentAwardRedemptionPeriod" abstract="false" name="SharebasedCompensationArrangementbySharebasedPaymentAwardRedemptionPeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="tx_ScheduleofchangesinintangibleassetsandgoodwillTableTextBlock" abstract="false" name="ScheduleofchangesinintangibleassetsandgoodwillTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="tx_ThyssenkruppSlabInternationalB.V.CSASiderrgicadoAtlnticoLtda.Member" abstract="true" name="ThyssenkruppSlabInternationalB.V.CSASiderrgicadoAtlnticoLtda.Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_PutAndCallOptionMember" abstract="true" name="PutAndCallOptionMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_ConsorcioMineroBenitoJuarezPeaColoradaSAdeCVExirosBV9Member" abstract="true" name="ConsorcioMineroBenitoJuarezPeaColoradaSAdeCVExirosBV9Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_CapitalUnits1Member" abstract="true" name="CapitalUnits1Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_FinancingReceivablesPeriodPastDue1Domain" abstract="true" name="FinancingReceivablesPeriodPastDue1Domain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_DebtInstrument1Domain" abstract="true" name="DebtInstrument1Domain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_Borrowingsoutstanding" abstract="false" name="Borrowingsoutstanding" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_NumberOfSharesToBeAcquiredAsPerSharePurchaseAgreement" abstract="false" name="NumberOfSharesToBeAcquiredAsPerSharePurchaseAgreement" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="tx_UsinasSiderurgicasDeMinasGeraisS.A.AndUsiminasMecanicaS.A.Member" abstract="true" name="UsinasSiderurgicasDeMinasGeraisS.A.AndUsiminasMecanicaS.A.Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_WindGenerationFarmMember" abstract="true" name="WindGenerationFarmMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_EffectivePortionOfDesignatedCashFlowHedgesMember" abstract="true" name="EffectivePortionOfDesignatedCashFlowHedgesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_ServicesandfeesexpenseCostofSales" abstract="false" name="ServicesandfeesexpenseCostofSales" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_TaxContingentLiability" abstract="false" name="TaxContingentLiability" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_RecoveryOfTaxCredits" abstract="false" name="RecoveryOfTaxCredits" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_ThresholdPercentageToReduceCarbonDioxideEmissions" abstract="false" name="ThresholdPercentageToReduceCarbonDioxideEmissions" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="tx_UnicarboLtdaMember" abstract="true" name="UnicarboLtdaMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_DisclosureOfNotesAndOtherExplanatoryInformationExplanatory" abstract="false" name="DisclosureOfNotesAndOtherExplanatoryInformationExplanatory" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="tx_IncreaseDecreaseThroughInterestAccruedNonCurrentLeaseLiabilities" abstract="false" name="IncreaseDecreaseThroughInterestAccruedNonCurrentLeaseLiabilities" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_IncomeTaxAuthority1Domain" abstract="true" name="IncomeTaxAuthority1Domain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_UsinasSiderurgicasDeMinasGeraisS.A.AndMineracaoUsiminasS.A.Member" abstract="true" name="UsinasSiderurgicasDeMinasGeraisS.A.AndMineracaoUsiminasS.A.Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_ColdRolledMember" abstract="true" name="ColdRolledMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_Othercurrentreceivablesnet" abstract="false" name="Othercurrentreceivablesnet" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_OtherOperatingIncomeGross" abstract="false" name="OtherOperatingIncomeGross" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_NumberOfVicePresidents" abstract="false" name="NumberOfVicePresidents" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="tx_LondonInterbankOfferedRateLIBOR1Member" abstract="true" name="LondonInterbankOfferedRateLIBOR1Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_GainLossFromDerecognitionOfContingentLiabilities" abstract="false" name="GainLossFromDerecognitionOfContingentLiabilities" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_TerniumDelCaucaSASMember" abstract="true" name="TerniumDelCaucaSASMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_Amortisationperiod" abstract="false" name="Amortisationperiod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="tx_HSBCMexicoNatixisCreditAgricoleBNPSantanderIntesaSPAndNorinchukinMember" abstract="true" name="HSBCMexicoNatixisCreditAgricoleBNPSantanderIntesaSPAndNorinchukinMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_OtherMarketsMember" abstract="true" name="OtherMarketsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_DisclosureofnotesandotherexplanatoryinformationAbstract" abstract="true" name="DisclosureofnotesandotherexplanatoryinformationAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="tx_FinanceLeasesMember" abstract="true" name="FinanceLeasesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_DepreciationpropertyplantandequipmentSGA" abstract="false" name="DepreciationpropertyplantandequipmentSGA" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_Provisionusedotherprovisionscurrent" abstract="false" name="Provisionusedotherprovisionscurrent" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_FinancialAssetsAtFairValueNetForeignExchangeGainsLosses" abstract="false" name="FinancialAssetsAtFairValueNetForeignExchangeGainsLosses" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_IronOrePelletsandIronOreFinesMember" abstract="true" name="IronOrePelletsandIronOreFinesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_DerecognitionOfInvestmentsAccountedForUsingEquityMethod" abstract="false" name="DerecognitionOfInvestmentsAccountedForUsingEquityMethod" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_AccumulatedOtherComprehensiveIncomeBeforeTax" abstract="false" name="AccumulatedOtherComprehensiveIncomeBeforeTax" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_CreditInsuranceMember" abstract="true" name="CreditInsuranceMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_LaborLawsuitsFiledByFormerEmployeesMember" abstract="true" name="LaborLawsuitsFiledByFormerEmployeesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_BuildingsandFacilitiesMember" abstract="true" name="BuildingsandFacilitiesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_MRSLogisticaS.AMember" abstract="true" name="MRSLogisticaS.AMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_LongtermPurchaseCommitmentMinimumPercentageofVolumeRequired" abstract="false" name="LongtermPurchaseCommitmentMinimumPercentageofVolumeRequired" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="tx_ReclassificationfromAOCITax" abstract="false" name="ReclassificationfromAOCITax" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_BaseRateOfCarbonDioxide" abstract="false" name="BaseRateOfCarbonDioxide" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:massFlowItemType"/>
  <xs:element id="tx_OtherInvestments1Member" abstract="true" name="OtherInvestments1Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_ValeS.A.Member" abstract="true" name="ValeS.A.Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_DisclosureoftradereceivablesLineItems" abstract="true" name="DisclosureoftradereceivablesLineItems" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="tx_Debtissuancecostsnoncurrent" abstract="false" name="Debtissuancecostsnoncurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_NonUSGovernmentSecuritiesMember" abstract="true" name="NonUSGovernmentSecuritiesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_Increasedecreasethroughnetexchangedifferencesotherprovisionsnoncurrent" abstract="false" name="Increasedecreasethroughnetexchangedifferencesotherprovisionsnoncurrent" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_AirLiquideArgentinaS.A.Member" abstract="true" name="AirLiquideArgentinaS.A.Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_AmortisationintangibleassetsotherthangoodwillCostofSales" abstract="false" name="AmortisationintangibleassetsotherthangoodwillCostofSales" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_PlantProductionCapacityTons" abstract="false" name="PlantProductionCapacityTons" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="tx_CongonhasMineriosMember" abstract="true" name="CongonhasMineriosMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_FixedIncomeAmountContributedToFairValueOfPlanAssets" abstract="false" name="FixedIncomeAmountContributedToFairValueOfPlanAssets" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_NumberOfSubGroups" abstract="false" name="NumberOfSubGroups" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="tx_GasIndustrialdeMonterreyS.A.deC.V.Member" abstract="true" name="GasIndustrialdeMonterreyS.A.deC.V.Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_Long1Member" abstract="true" name="Long1Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_LongtermContractforPurchaseofElectricPowerTerm" abstract="false" name="LongtermContractforPurchaseofElectricPowerTerm" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="tx_FinancialAssetsAtFairValueReclassifications" abstract="false" name="FinancialAssetsAtFairValueReclassifications" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_TerniumArgentinaSAMember" abstract="true" name="TerniumArgentinaSAMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_TerniumInvestmentsS.aR.l.Member" abstract="true" name="TerniumInvestmentsS.aR.l.Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_ReversalOfPriorPeriodServiceCostDefinedBenefitPlan" abstract="false" name="ReversalOfPriorPeriodServiceCostDefinedBenefitPlan" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_Gainslossesoncashflowhedgesandothersnetoftax" abstract="false" name="Gainslossesoncashflowhedgesandothersnetoftax" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_IncreaseDecreaseinCapital" abstract="false" name="IncreaseDecreaseinCapital" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_KinderMorganTexasPipelineLLCKinderMorganTejasPipelineLLCAndKinderMorganBorderPipelineLLCMember" abstract="true" name="KinderMorganTexasPipelineLLCKinderMorganTejasPipelineLLCAndKinderMorganBorderPipelineLLCMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_OtherOperatingSegmentsOfTheSameEntityMember" abstract="true" name="OtherOperatingSegmentsOfTheSameEntityMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_AcquisitionsThroughBusinessCombinationsOtherProvisionsCurrent" abstract="false" name="AcquisitionsThroughBusinessCombinationsOtherProvisionsCurrent" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_ScheduleoflaborcostsTableTextBlock" abstract="false" name="ScheduleoflaborcostsTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="tx_DisclosureOfSummaryOfSignificantAccountingPoliciesExplanatory" abstract="false" name="DisclosureOfSummaryOfSignificantAccountingPoliciesExplanatory" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="tx_BilletsRoundBarsAndOthersMember" abstract="true" name="BilletsRoundBarsAndOthersMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_NumberofReportableSegments1" abstract="false" name="NumberofReportableSegments1" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="tx_CSNMember" abstract="true" name="CSNMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_PropertyPlantEquipmentMember" abstract="true" name="PropertyPlantEquipmentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_MineracaoUsiminasS.A.Member" abstract="true" name="MineracaoUsiminasS.A.Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_AllCurrenciesAbstract" abstract="true" name="AllCurrenciesAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="tx_AcquisitionsThroughBusinessCombinationsLiabilitiesArisingFromFinancingActivities" abstract="false" name="AcquisitionsThroughBusinessCombinationsLiabilitiesArisingFromFinancingActivities" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_Otherinvestments" abstract="false" name="Otherinvestments" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_NominationRightForChiefExecutiveOfficerAlternationTerm" abstract="false" name="NominationRightForChiefExecutiveOfficerAlternationTerm" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="tx_USGovernmentAndCorporateSecuritiesMember" abstract="true" name="USGovernmentAndCorporateSecuritiesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_StockGrantedValueSharebasedCompensationGross" abstract="false" name="StockGrantedValueSharebasedCompensationGross" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_NominationRightForBoardOfDirectorsAlternationTerm" abstract="false" name="NominationRightForBoardOfDirectorsAlternationTerm" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="tx_TurbineMaintenanceMember" abstract="true" name="TurbineMaintenanceMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_FixedIncomeCommercialPaperMember" abstract="true" name="FixedIncomeCommercialPaperMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_TerniumMexicoS.A.deC.VandTenigalS.deR.L.deC.V.Member" abstract="true" name="TerniumMexicoS.A.deC.VandTenigalS.deR.L.deC.V.Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_GuaranteeTypeOther1Member" abstract="true" name="GuaranteeTypeOther1Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_NonCurrentAllowanceAccountForCreditLossesOfFinancialAssets" abstract="false" name="NonCurrentAllowanceAccountForCreditLossesOfFinancialAssets" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_OtherFixedIncomeMember" abstract="true" name="OtherFixedIncomeMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_BondsAndOtherFixedIncomeMember" abstract="true" name="BondsAndOtherFixedIncomeMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_PublicCivilActionSeekingCompensationForAllegedDamagesCausedToTheStateOfSantaCatarinasTreasuryMember" abstract="true" name="PublicCivilActionSeekingCompensationForAllegedDamagesCausedToTheStateOfSantaCatarinasTreasuryMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_SellinggeneralandadministrativeexpenseLineItems" abstract="true" name="SellinggeneralandadministrativeexpenseLineItems" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="tx_ForeignExchangeContractsFinancialInstrumentMember" abstract="true" name="ForeignExchangeContractsFinancialInstrumentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_ExpectedCapitalInvestment" abstract="false" name="ExpectedCapitalInvestment" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_OtherCivilAndOtherContingenciesMember" abstract="true" name="OtherCivilAndOtherContingenciesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_ScheduleoftradereceivablesTableTextBlock" abstract="false" name="ScheduleoftradereceivablesTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="tx_ReclassificationfromAOCIbeforeTax" abstract="false" name="ReclassificationfromAOCIbeforeTax" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_AirLiquideBrasilLtda.AirSteelLtda.WhiteMartinsGasesIndustriaisLtda.WhiteMartinsSteelLtda.andThyssenKruppMinEnergyGmbHMember" abstract="true" name="AirLiquideBrasilLtda.AirSteelLtda.WhiteMartinsGasesIndustriaisLtda.WhiteMartinsSteelLtda.andThyssenKruppMinEnergyGmbHMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_NumberOfLoanPayments" abstract="false" name="NumberOfLoanPayments" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="tx_ReasonablyPossibleDecreaseInActuarialAssumptionYears" abstract="false" name="ReasonablyPossibleDecreaseInActuarialAssumptionYears" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="tx_NSCGroupMember" abstract="true" name="NSCGroupMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_DisclosureofentitysoperatingsegmentsAbstract" abstract="true" name="DisclosureofentitysoperatingsegmentsAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="tx_CashcashequivalentsandotherinvestmentsAbstract" abstract="true" name="CashcashequivalentsandotherinvestmentsAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="tx_LongTermPurchaseCommitmentRenewalPeriod" abstract="false" name="LongTermPurchaseCommitmentRenewalPeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="tx_LeaseLiabilitiesRelatedPartyTransactions" abstract="false" name="LeaseLiabilitiesRelatedPartyTransactions" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_TTGroupMember" abstract="true" name="TTGroupMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_NonConsolidatedCompaniesAxis" abstract="true" name="NonConsolidatedCompaniesAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="tx_OtherAssetsAndLiabilitiesNetAsOfAcquisitionDate" abstract="false" name="OtherAssetsAndLiabilitiesNetAsOfAcquisitionDate" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_DisclosureofreceivablesnetTextBlock" abstract="false" name="DisclosureofreceivablesnetTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="tx_ProsidInvestmentsSAMember" abstract="true" name="ProsidInvestmentsSAMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_TerniumInternacionalEspanaSLMember" abstract="true" name="TerniumInternacionalEspanaSLMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_NumberOfOtherBoardOfficers" abstract="false" name="NumberOfOtherBoardOfficers" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="tx_MiningMember" abstract="true" name="MiningMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_ScheduleofotherfinancialincomeexpensesnetTableTextBlock" abstract="false" name="ScheduleofotherfinancialincomeexpensesnetTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="tx_UpdateOfCertainTaxLiabilities" abstract="false" name="UpdateOfCertainTaxLiabilities" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_ScheduleofcondensedstatementofcashflowTableTextBlock" abstract="false" name="ScheduleofcondensedstatementofcashflowTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="tx_AssetRetirementObligationNoncurrent" abstract="false" name="AssetRetirementObligationNoncurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_IncreaseDecreaseThroughBusinessCombinationLeaseLiabilities" abstract="false" name="IncreaseDecreaseThroughBusinessCombinationLeaseLiabilities" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_ReclassificationsCurrentLeaseLiabilities" abstract="false" name="ReclassificationsCurrentLeaseLiabilities" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_Resultsofsundryassets" abstract="false" name="Resultsofsundryassets" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_DerivativeFinancialAssetsSharePrice" abstract="false" name="DerivativeFinancialAssetsSharePrice" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:perShareItemType"/>
  <xs:element id="tx_UndistributableReserve" abstract="false" name="UndistributableReserve" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_PercentageIncreaseDecreaseInDefinedBenefitObligationDueToReasonablyPossibleDecreaseInActuarialAssumption" abstract="false" name="PercentageIncreaseDecreaseInDefinedBenefitObligationDueToReasonablyPossibleDecreaseInActuarialAssumption" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="tx_TradeAndOtherReceivablesAsOfAcquisitionDate" abstract="false" name="TradeAndOtherReceivablesAsOfAcquisitionDate" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_TechgenSADeCVSyndicatedLoanDueFebruary2026Member" abstract="true" name="TechgenSADeCVSyndicatedLoanDueFebruary2026Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_TerniumMexicoS.A.deC.V.Member" abstract="true" name="TerniumMexicoS.A.deC.V.Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_AmortisationintangibleassetsotherthangoodwillSGA" abstract="false" name="AmortisationintangibleassetsotherthangoodwillSGA" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_ContingencyAmountRecoverablePercent" abstract="false" name="ContingencyAmountRecoverablePercent" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="tx_EquityReserveThatWillBeReclassifiedToProfitOrLoss" abstract="false" name="EquityReserveThatWillBeReclassifiedToProfitOrLoss" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_ShareBasedCompensationArrangementByShareBasedPaymentAwardMandatoryRedemptionPeriod" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardMandatoryRedemptionPeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="tx_ClimateChangePolicyTextBlock" abstract="false" name="ClimateChangePolicyTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="tx_AllowanceforDoubtfulAccountsReceivable" abstract="false" name="AllowanceforDoubtfulAccountsReceivable" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_LongTermPurchaseCommitmentMinimumAnnualConsumptionAmount" abstract="false" name="LongTermPurchaseCommitmentMinimumAnnualConsumptionAmount" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_TenigalS.deR.L.deC.V.Member" abstract="true" name="TenigalS.deR.L.deC.V.Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_OtherInvestmentsCurrentAndNonCurrentMember" abstract="true" name="OtherInvestmentsCurrentAndNonCurrentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_ComphaniaSiderrgicaNacionalVsTerniumInvestmentsSaRlSiderarConfabIndustrialSAMember" abstract="true" name="ComphaniaSiderrgicaNacionalVsTerniumInvestmentsSaRlSiderarConfabIndustrialSAMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_SharebasedCompensationArrangementbySharebasedPaymentAwardEarlyRedemptionPeriod" abstract="false" name="SharebasedCompensationArrangementbySharebasedPaymentAwardEarlyRedemptionPeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="tx_Tenderofferpricepershare" abstract="false" name="Tenderofferpricepershare" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:perShareItemType"/>
  <xs:element id="tx_ComissodeValoresMobiliriosMember" abstract="true" name="ComissodeValoresMobiliriosMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_PostEmploymentBenefitExpenseIncomeInProfitOrLossDefinedBenefitPlans" abstract="false" name="PostEmploymentBenefitExpenseIncomeInProfitOrLossDefinedBenefitPlans" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_USINASSIDERGICASDEMINASGERAISS.A.Member" abstract="true" name="USINASSIDERGICASDEMINASGERAISS.A.Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_NonConsolidatedCompaniesDomain" abstract="true" name="NonConsolidatedCompaniesDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_UsiminasInternatioonalS.AR.L.Member" abstract="true" name="UsiminasInternatioonalS.AR.L.Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_TerniumUSAIncMember" abstract="true" name="TerniumUSAIncMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_CashAndCashEquivalents1Domain" abstract="true" name="CashAndCashEquivalents1Domain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_NumberOfSharesHeld" abstract="false" name="NumberOfSharesHeld" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="tx_AdditionalProvisionsOtherProvisionsCurrent" abstract="false" name="AdditionalProvisionsOtherProvisionsCurrent" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_IncreaseDecreaseThroughBusinessCombinationNonCurrentLeaseLiabilities" abstract="false" name="IncreaseDecreaseThroughBusinessCombinationNonCurrentLeaseLiabilities" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_ReportingYearAxis" abstract="true" name="ReportingYearAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="tx_NumberofDistributors" abstract="false" name="NumberofDistributors" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="tx_SolucionesIntegralesDeGestionSAMember" abstract="true" name="SolucionesIntegralesDeGestionSAMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_SlabsMember" abstract="true" name="SlabsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_IncreaseDecreaseThroughNetExchangeDifferencesRightofUseAssets" abstract="false" name="IncreaseDecreaseThroughNetExchangeDifferencesRightofUseAssets" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_Tenderoffernumberofshares" abstract="false" name="Tenderoffernumberofshares" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="tx_TerniumInternacionalEspaaSLAndTerniumMexicoSADeCVMember" abstract="true" name="TerniumInternacionalEspaaSLAndTerniumMexicoSADeCVMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_Tradereceivableswithrelatedparties" abstract="false" name="Tradereceivableswithrelatedparties" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_OfficeexpensesSGA" abstract="false" name="OfficeexpensesSGA" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_NumberTwoMember" abstract="true" name="NumberTwoMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_Currentemployeeadvancesandloans" abstract="false" name="Currentemployeeadvancesandloans" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_A2008Member" abstract="true" name="A2008Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_NumberOfPostRetirementPlans" abstract="false" name="NumberOfPostRetirementPlans" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="tx_TerniumProcurementSAMember" abstract="true" name="TerniumProcurementSAMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_InvestmentsInNonConsolidatedCompaniesRecognizedAsOfAcquisitionDate" abstract="false" name="InvestmentsInNonConsolidatedCompaniesRecognizedAsOfAcquisitionDate" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_TerniumSolutionsSAMember" abstract="true" name="TerniumSolutionsSAMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_DividendsPaidInKindToNoncontrollingInterests" abstract="false" name="DividendsPaidInKindToNoncontrollingInterests" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_TerniumInvestmentsSarlMember" abstract="true" name="TerniumInvestmentsSarlMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_CategoryofItemPurchasedDomain" abstract="true" name="CategoryofItemPurchasedDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_DividendspaidUnitedStatesDollarperAmericanDepositaryShare" abstract="false" name="DividendspaidUnitedStatesDollarperAmericanDepositaryShare" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:perShareItemType"/>
  <xs:element id="tx_LongTermContractForPurchaseOfNaturalGasTransportationAmount" abstract="false" name="LongTermContractForPurchaseOfNaturalGasTransportationAmount" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_QuotedPriceOfShareInSubsidiary" abstract="false" name="QuotedPriceOfShareInSubsidiary" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:perShareItemType"/>
  <xs:element id="tx_DerivativeAndNonDerivativeFinancialLiabilitiesUndiscountedCashFlows" abstract="false" name="DerivativeAndNonDerivativeFinancialLiabilitiesUndiscountedCashFlows" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_NetDefinedBenefitLiabilityAssetGuaranteedWithPropertyPlantAndEquipment" abstract="false" name="NetDefinedBenefitLiabilityAssetGuaranteedWithPropertyPlantAndEquipment" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_UsiminasControlGroupMember" abstract="true" name="UsiminasControlGroupMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_IncentiveRetentionProgramMember" abstract="true" name="IncentiveRetentionProgramMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_LasEncinasSADeCVFerropakComercialSADeCVTransamericaEITradingCorpGalvacerChileSAMember" abstract="true" name="LasEncinasSADeCVFerropakComercialSADeCVTransamericaEITradingCorpGalvacerChileSAMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_IncreaseDecreaseOfUnrecognizedTaxLossesDeferredTaxLiabilityAsset" abstract="false" name="IncreaseDecreaseOfUnrecognizedTaxLossesDeferredTaxLiabilityAsset" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_OtherComprehensiveIncomeLossIncreaseDecreaseTax" abstract="false" name="OtherComprehensiveIncomeLossIncreaseDecreaseTax" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_ProvisionForTaxLosses" abstract="false" name="ProvisionForTaxLosses" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_EnelS.AMember" abstract="true" name="EnelS.AMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_ForeignExchangeRestrictionsInArgentinaTextBlock" abstract="false" name="ForeignExchangeRestrictionsInArgentinaTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="tx_ProvisionMember" abstract="true" name="ProvisionMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_TerniumInternacionalHondurasSADeCVMember" abstract="true" name="TerniumInternacionalHondurasSADeCVMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_NetProceedsLeaseLiabilities" abstract="false" name="NetProceedsLeaseLiabilities" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_ScheduleofothernoncurrentliabilitiesTableTextBlock" abstract="false" name="ScheduleofothernoncurrentliabilitiesTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="tx_ObjectionFiledAgainstTheDecisionMember" abstract="true" name="ObjectionFiledAgainstTheDecisionMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_Noncurrentmiscellaneousotherliabilities" abstract="false" name="Noncurrentmiscellaneousotherliabilities" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_PaymentForPurchaseOfParticipationInBorrowingArrangement" abstract="false" name="PaymentForPurchaseOfParticipationInBorrowingArrangement" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_WriteDownOfEquityMethodInvestment" abstract="false" name="WriteDownOfEquityMethodInvestment" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_LongTermContractForPurchaseOfNaturalGasTakeOrPayVolume" abstract="false" name="LongTermContractForPurchaseOfNaturalGasTakeOrPayVolume" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
  <xs:element id="tx_TecpetrolInternationalS.A.Member" abstract="true" name="TecpetrolInternationalS.A.Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_OtherComponentsOfOtherComprehensiveIncomeNetOfTax" abstract="false" name="OtherComponentsOfOtherComprehensiveIncomeNetOfTax" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_DescriptionofaccountingpolicyforrecentlyissuedpronouncementsPolicyTextBlock" abstract="false" name="DescriptionofaccountingpolicyforrecentlyissuedpronouncementsPolicyTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="tx_WideGroupOfSmallInvestorsMember" abstract="true" name="WideGroupOfSmallInvestorsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_LitigationStatus1Domain" abstract="true" name="LitigationStatus1Domain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_LongTermContractForPurchaseOfNaturalGasCapacity" abstract="false" name="LongTermContractForPurchaseOfNaturalGasCapacity" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="tx_GuarantorObligationsAmount" abstract="false" name="GuarantorObligationsAmount" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_IndexationPropertyPlantAndEquipment" abstract="false" name="IndexationPropertyPlantAndEquipment" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_DeferredTaxExpenseIncomeAndAdjustmentsForDeferredTaxOfPriorPeriods" abstract="false" name="DeferredTaxExpenseIncomeAndAdjustmentsForDeferredTaxOfPriorPeriods" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_TaxProceedingsMember" abstract="true" name="TaxProceedingsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_LongtermPurchaseCommitmentPercentageofTotalVolumeActuallyOperated" abstract="false" name="LongtermPurchaseCommitmentPercentageofTotalVolumeActuallyOperated" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="tx_BorrowingsUndiscountedCashFlowsPrincipal" abstract="false" name="BorrowingsUndiscountedCashFlowsPrincipal" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_PercentageofsharesownedintheCompany" abstract="false" name="PercentageofsharesownedintheCompany" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="tx_IncreaseDecreaseInContingentTaxLiability" abstract="false" name="IncreaseDecreaseInContingentTaxLiability" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_IncreaseDecreaseThroughBusinessCombinationCurrentLeaseLiabilities" abstract="false" name="IncreaseDecreaseThroughBusinessCombinationCurrentLeaseLiabilities" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="tx_TerniumColombiaSASMember" abstract="true" name="TerniumColombiaSASMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_ContingentLiabilityPortionOfLegalCostsFromCompensationPayable" abstract="false" name="ContingentLiabilityPortionOfLegalCostsFromCompensationPayable" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
  <xs:element id="tx_AnnualProductionCapacityPreProcessSteelVolume" abstract="false" name="AnnualProductionCapacityPreProcessSteelVolume" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="tx_IncomeTaxAuthority1Axis" abstract="true" name="IncomeTaxAuthority1Axis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="tx_ReceivablesnetAbstract" abstract="true" name="ReceivablesnetAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="tx_PublicCivilActionDueToAllegedOverbillingMember" abstract="true" name="PublicCivilActionDueToAllegedOverbillingMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_CalculationBasisPISCOFINSImportsMember" abstract="true" name="CalculationBasisPISCOFINSImportsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="tx_LongTermPurchaseCommitmentMinimumAnnualConsumptionVolume" abstract="false" name="LongTermPurchaseCommitmentMinimumAnnualConsumptionVolume" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types1:volumeItemType"/>
</xs:schema>
