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  <xsd:element id="zeus_PerformanceBasedAwardCapPercentageOfGrant" name="PerformanceBasedAwardCapPercentageOfGrant" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:percentItemType" xbrli:periodType="duration"/>
  <xsd:element id="zeus_PerformanceBasedCashAwardsMember" name="PerformanceBasedCashAwardsMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="zeus_PlateProductsMember" name="PlateProductsMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="zeus_PresidentAndChiefOperatingOfficerMember" name="PresidentAndChiefOperatingOfficerMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element id="zeus_RevenueFromContractWithCustomerIncludingAssessedTaxPercentage" name="RevenueFromContractWithCustomerIncludingAssessedTaxPercentage" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:percentItemType" xbrli:periodType="duration"/>
  <xsd:element id="zeus_ScheduleOfFiniteAndIndefiniteLivedIntangibleAssetsTableTextBlock" name="ScheduleOfFiniteAndIndefiniteLivedIntangibleAssetsTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType" xbrli:periodType="duration"/>
  <xsd:element id="zeus_ServiceBasedCashAwardsMember" name="ServiceBasedCashAwardsMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element id="zeus_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodValue" name="SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodValue" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration"/>
  <xsd:element id="zeus_SharebasedCompensationArrangementBySharebasedPaymentAwardMaximumAmountPerEmployee" name="SharebasedCompensationArrangementBySharebasedPaymentAwardMaximumAmountPerEmployee" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="zeus_SpecialtyMember" name="SpecialtyMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="zeus_SpecialtyMetalsFlatProductsMember" name="SpecialtyMetalsFlatProductsMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element id="zeus_StockIssuanceProgramAuthorizedAmount" name="StockIssuanceProgramAuthorizedAmount" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant"/>
  <xsd:element id="zeus_StockIssuanceProgramGrossProceedsPercent" name="StockIssuanceProgramGrossProceedsPercent" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:percentItemType" xbrli:periodType="instant"/>
  <xsd:element abstract="true" id="zeus_StockRepurchasesValueExceeds50MillionOption1Member" name="StockRepurchasesValueExceeds50MillionOption1Member" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="zeus_StockRepurchasesValueExceeds50MillionOption2Member" name="StockRepurchasesValueExceeds50MillionOption2Member" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="zeus_SupplementalExecutiveRetirementPlanMember" name="SupplementalExecutiveRetirementPlanMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="zeus_TubeProductsMember" name="TubeProductsMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="zeus_TubularAndPipeProductsMember" name="TubularAndPipeProductsMember" nillable="true" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"/>
  <xsd:element id="zeus_UnrestrictedCommonStockPurchasesMaximumValue" name="UnrestrictedCommonStockPurchasesMaximumValue" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration"/>
  <xsd:element id="zeus_WarehouseAndProcessing" name="WarehouseAndProcessing" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="zeus_statement-statement-note-11-equity-plans-restricted-stock-activity-details" name="statement-statement-note-11-equity-plans-restricted-stock-activity-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="zeus_statement-statement-note-11-equity-plans-restricted-stock-unit-activity-details" name="statement-statement-note-11-equity-plans-restricted-stock-unit-activity-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="zeus_statement-statement-note-11-equity-plans-stockbased-compensation-expense-recognized-on-restricted-stock-units-details" name="statement-statement-note-11-equity-plans-stockbased-compensation-expense-recognized-on-restricted-stock-units-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="zeus_statement-statement-note-11-equity-plans-tables" name="statement-statement-note-11-equity-plans-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="zeus_statement-statement-note-13-shares-outstanding-and-earnings-per-share-earnings-per-share-details" name="statement-statement-note-13-shares-outstanding-and-earnings-per-share-earnings-per-share-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="zeus_statement-statement-note-13-shares-outstanding-and-earnings-per-share-tables" name="statement-statement-note-13-shares-outstanding-and-earnings-per-share-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="zeus_statement-statement-note-15-segment-information-segment-reporting-information-by-capital-expenditures-and-assets-details" name="statement-statement-note-15-segment-information-segment-reporting-information-by-capital-expenditures-and-assets-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="zeus_statement-statement-note-15-segment-information-segment-reporting-information-by-revenue-details" name="statement-statement-note-15-segment-information-segment-reporting-information-by-revenue-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="zeus_statement-statement-note-15-segment-information-tables" name="statement-statement-note-15-segment-information-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="zeus_statement-statement-note-2-revenue-recognition-disaggregation-of-revenues-percentage-details" name="statement-statement-note-2-revenue-recognition-disaggregation-of-revenues-percentage-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="zeus_statement-statement-note-2-revenue-recognition-tables" name="statement-statement-note-2-revenue-recognition-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="zeus_statement-statement-note-4-inventories-steel-inventories-details" name="statement-statement-note-4-inventories-steel-inventories-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="zeus_statement-statement-note-4-inventories-tables" name="statement-statement-note-4-inventories-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="zeus_statement-statement-note-5-goodwill-and-intangible-assets-goodwill-by-reportable-segment-details" name="statement-statement-note-5-goodwill-and-intangible-assets-goodwill-by-reportable-segment-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="zeus_statement-statement-note-5-goodwill-and-intangible-assets-intangible-assets-net-details" name="statement-statement-note-5-goodwill-and-intangible-assets-intangible-assets-net-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="zeus_statement-statement-note-5-goodwill-and-intangible-assets-tables" name="statement-statement-note-5-goodwill-and-intangible-assets-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="zeus_statement-statement-note-6-leases-balance-sheet-information-related-to-leases-details" name="statement-statement-note-6-leases-balance-sheet-information-related-to-leases-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="zeus_statement-statement-note-6-leases-lease-cost-details" name="statement-statement-note-6-leases-lease-cost-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="zeus_statement-statement-note-6-leases-lease-payments-details" name="statement-statement-note-6-leases-lease-payments-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="zeus_statement-statement-note-6-leases-maturities-of-lease-liabilities-details" name="statement-statement-note-6-leases-maturities-of-lease-liabilities-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="zeus_statement-statement-note-6-leases-tables" name="statement-statement-note-6-leases-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="zeus_statement-statement-note-7-debt-summary-of-debt-details" name="statement-statement-note-7-debt-summary-of-debt-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="zeus_statement-statement-note-7-debt-summary-of-debt-details-parentheticals" name="statement-statement-note-7-debt-summary-of-debt-details-parentheticals" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="zeus_statement-statement-note-7-debt-tables" name="statement-statement-note-7-debt-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="zeus_statement-statement-note-8-derivative-instruments-impact-from-derivatives-on-consolidated-statements-of-comprehensive-income-details" name="statement-statement-note-8-derivative-instruments-impact-from-derivatives-on-consolidated-statements-of-comprehensive-income-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="zeus_statement-statement-note-8-derivative-instruments-tables" name="statement-statement-note-8-derivative-instruments-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="zeus_statement-statement-note-9-fair-value-of-assets-and-liabilities-fair-value-measurements-recorded-details" name="statement-statement-note-9-fair-value-of-assets-and-liabilities-fair-value-measurements-recorded-details" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="zeus_statement-statement-note-9-fair-value-of-assets-and-liabilities-tables" name="statement-statement-note-9-fair-value-of-assets-and-liabilities-tables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
  <xsd:element abstract="true" id="zeus_statement-statement-significant-accounting-policies-policies" name="statement-statement-significant-accounting-policies-policies" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"/>
</xsd:schema>
