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  <element id="rs_IntangibleAssetsExcludingGoodwillForeignCurrencyTranslationAdjustment" name="IntangibleAssetsExcludingGoodwillForeignCurrencyTranslationAdjustment" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="credit" xmlns="http://www.w3.org/2001/XMLSchema" />
  <xsd:element name="DebtInstrumentIssuedTranchesNumber" id="rs_DebtInstrumentIssuedTranchesNumber" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DebtRedemptionPriceDueToChangeOfControlAndDowngradeOfCreditRatingAsPercentageOfPrincipalAmount" id="rs_DebtRedemptionPriceDueToChangeOfControlAndDowngradeOfCreditRatingAsPercentageOfPrincipalAmount" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="CarbonSteelMember" id="rs_CarbonSteelMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="AluminumMember" id="rs_AluminumMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="StainlessSteelMember" id="rs_StainlessSteelMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="AlloySteelMember" id="rs_AlloySteelMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="TollProcessingMember" id="rs_TollProcessingMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <element id="rs_OtherProductsOrServicesMember" name="OtherProductsOrServicesMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="rs_ScheduleOfFutureMinimumLeasePaymentsForLeasesTableTextBlock" name="ScheduleOfFutureMinimumLeasePaymentsForLeasesTableTextBlock" nillable="true" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <xsd:element name="EnvironmentalContingenciesAbstract" id="rs_EnvironmentalContingenciesAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <element id="rs_MajorityInterestOwnershipPercentageByParent" name="MajorityInterestOwnershipPercentageByParent" nillable="true" type="num:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="rs_ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesReservedForFutureIssue" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesReservedForFutureIssue" nillable="true" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="rs_RestrictedStockWithServiceConditionsMember" name="RestrictedStockWithServiceConditionsMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="rs_RestrictedStockWithPerformanceConditionsMember" name="RestrictedStockWithPerformanceConditionsMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="rs_PaymentOfDividendEquivalents" name="PaymentOfDividendEquivalents" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="credit" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="rs_PaymentsOfOrdinaryDividendsCommonStockAndDividendEquivalents" name="PaymentsOfOrdinaryDividendsCommonStockAndDividendEquivalents" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="credit" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="rs_RestrictedStockAndRestrictedStockUnitsAwardsMember" name="RestrictedStockAndRestrictedStockUnitsAwardsMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="rs_StockRepurchaseProgramIncreaseInNumberOfSharesAuthorizedToBeRepurchased" name="StockRepurchaseProgramIncreaseInNumberOfSharesAuthorizedToBeRepurchased" nillable="true" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="rs_ImpairmentOfIntangibleAssets" name="ImpairmentOfIntangibleAssets" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="rs_DividendsAndDividendEquivalentsCommonStockCash" name="DividendsAndDividendEquivalentsCommonStockCash" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="rs_FiniteLivedIntangibleAssetsAmortizationExpenseYearSix" name="FiniteLivedIntangibleAssetsAmortizationExpenseYearSix" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="debit" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="rs_StockRepurchaseProgramNumberOfSharesAuthorizedToBeRepurchasedAsPercentageOfTotalOutstandingShares" name="StockRepurchaseProgramNumberOfSharesAuthorizedToBeRepurchasedAsPercentageOfTotalOutstandingShares" nillable="true" type="num:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="rs_OtherNotesAndRevolvingCreditFacilitiesMember" name="OtherNotesAndRevolvingCreditFacilitiesMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="rs_CreditAgreementMember" name="CreditAgreementMember" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="rs_ImpairmentAndRestructuringChargesDisclosureAbstract" name="ImpairmentAndRestructuringChargesDisclosureAbstract" nillable="true" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="rs_UnsecuredRevolvingCreditFacilityDueSeptember2021Member" name="UnsecuredRevolvingCreditFacilityDueSeptember2021Member" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="rs_UnsecuredTermLoanDueSeptember2021Member" name="UnsecuredTermLoanDueSeptember2021Member" nillable="true" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="rs_LineOfCreditFacilityContingentIncreaseAdditionalBorrowingCapacity" name="LineOfCreditFacilityContingentIncreaseAdditionalBorrowingCapacity" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="credit" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="rs_NumberOfFinancialCovenants" name="NumberOfFinancialCovenants" nillable="true" type="xbrli:integerItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="rs_ScheduleOfRestrictedStockUnitsActivityTableTextBlock" name="ScheduleOfRestrictedStockUnitsActivityTableTextBlock" nillable="true" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="rs_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodNetRecognitionValue" name="AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodNetRecognitionValue" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="credit" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="rs_StockIssuedDuringPeriodSharesRestrictedStockAwardNet" name="StockIssuedDuringPeriodSharesRestrictedStockAwardNet" nillable="true" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="rs_LesseeOperatingLeaseSupplementalCashFlowAndOtherLeaseInformationTableTextBlock" name="LesseeOperatingLeaseSupplementalCashFlowAndOtherLeaseInformationTableTextBlock" nillable="true" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="rs_LongTermDebtCurrentAndShortTermDebt" name="LongTermDebtCurrentAndShortTermDebt" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" xbrli:balance="credit" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="rs_StockRepurchasedAndRetiredDuringPeriodValuePendingSettlement" name="StockRepurchasedAndRetiredDuringPeriodValuePendingSettlement" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="rs_DebtInstrumentBasisSpreadOnVariableRateAdjustment" name="DebtInstrumentBasisSpreadOnVariableRateAdjustment" nillable="true" type="num:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xmlns="http://www.w3.org/2001/XMLSchema" />
  <element id="rs_StockRepurchasedAndRetiredDuringPeriodValueSettledAndPendingSettlement" name="StockRepurchasedAndRetiredDuringPeriodValueSettledAndPendingSettlement" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="debit" xmlns="http://www.w3.org/2001/XMLSchema" />
</xsd:schema>
