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  <xsd:element name="GoodwillDisclosureAbstract" id="rs_GoodwillDisclosureAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ScheduleOfFiniteLivedAndIndefiniteLivedIntangibleAssetsByMajorClassTable" id="rs_ScheduleOfFiniteLivedAndIndefiniteLivedIntangibleAssetsByMajorClassTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="FiniteLivedAndIndefiniteLivedIntangibleAssetsLineItems" id="rs_FiniteLivedAndIndefiniteLivedIntangibleAssetsLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="IntangibleAssetsNetAbstract" id="rs_IntangibleAssetsNetAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="CashSurrenderValuePoliciesByBorrowingStatusAxis" id="rs_CashSurrenderValuePoliciesByBorrowingStatusAxis" type="xbrli:stringItemType" substitutionGroup="xbrldt:dimensionItem" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="CashSurrenderValuePoliciesByBorrowingStatusDomain" id="rs_CashSurrenderValuePoliciesByBorrowingStatusDomain" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="CarbonSteelMember" id="rs_CarbonSteelMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="AluminumMember" id="rs_AluminumMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="StainlessSteelMember" id="rs_StainlessSteelMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="AlloySteelMember" id="rs_AlloySteelMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="TollProcessingMember" id="rs_TollProcessingMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element id="rs_OtherProductsOrServicesMember" name="OtherProductsOrServicesMember" nillable="true" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="EnvironmentalContingenciesAbstract" id="rs_EnvironmentalContingenciesAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element id="rs_MajorityInterestOwnershipPercentageByParent" name="MajorityInterestOwnershipPercentageByParent" nillable="true" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" />
  <xsd:element name="ComponentOfOtherNonoperatingIncomeExpenseAxis" id="rs_ComponentOfOtherNonoperatingIncomeExpenseAxis" type="xbrli:stringItemType" substitutionGroup="xbrldt:dimensionItem" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ComponentOfOtherNonoperatingIncomeExpenseNameDomain" id="rs_ComponentOfOtherNonoperatingIncomeExpenseNameDomain" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element id="rs_PaymentsOfOrdinaryDividendsCommonStockAndDividendEquivalents" name="PaymentsOfOrdinaryDividendsCommonStockAndDividendEquivalents" nillable="true" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" xbrli:balance="credit" />
  <xsd:element id="rs_OtherNotesAndRevolvingCreditFacilitiesMember" name="OtherNotesAndRevolvingCreditFacilitiesMember" nillable="true" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="rs_CreditAgreementMember" name="CreditAgreementMember" nillable="true" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element id="rs_LesseeOperatingLeaseSupplementalCashFlowAndOtherLeaseInformationTableTextBlock" name="LesseeOperatingLeaseSupplementalCashFlowAndOtherLeaseInformationTableTextBlock" nillable="true" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" />
  <xsd:element id="rs_SeniorUnsecuredNotesDue2030Member" name="SeniorUnsecuredNotesDue2030Member" nillable="true" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" xbrli:periodType="duration" />
  <xsd:element name="DebtInstrumentInterestRateSemiAnnualPercentage" id="rs_DebtInstrumentInterestRateSemiAnnualPercentage" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" />
  <xsd:element name="RestrictedStockUnitsRsuAndPerformanceStockUnitsPsuMember" id="rs_RestrictedStockUnitsRsuAndPerformanceStockUnitsPsuMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="CopperAndBrassMember" id="rs_CopperAndBrassMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFour" id="rs_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFour" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" abstract="false" xbrli:balance="debit" />
  <xsd:element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardReturnOnAssetsResultsAndIncludingServiceCriteriaPeriod" id="rs_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardReturnOnAssetsResultsAndIncludingServiceCriteriaPeriod" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="NumberOfConsecutiveYearsOfQuarterlyCashDividendsPaid" id="rs_NumberOfConsecutiveYearsOfQuarterlyCashDividendsPaid" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="UnsecuredRevolvingCreditFacilityDueSeptember2029Member" id="rs_UnsecuredRevolvingCreditFacilityDueSeptember2029Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="ScheduleOfIntangibleAssetsRollForwardTableTextBlock" id="rs_ScheduleOfIntangibleAssetsRollForwardTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" />
  <xsd:element name="IntangibleAssetsExcludingGoodwillForeignCurrencyTranslationGainLoss" id="rs_IntangibleAssetsExcludingGoodwillForeignCurrencyTranslationGainLoss" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="MetalsServiceCentersSegmentMember" id="rs_MetalsServiceCentersSegmentMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="IntangibleAssetsExcludingGoodwillOther" id="rs_IntangibleAssetsExcludingGoodwillOther" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="DividendEquivalentsCommonStockCash" id="rs_DividendEquivalentsCommonStockCash" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="debit" />
  <xsd:element name="PaymentsForShareRepurchaseProgramExciseTax" id="rs_PaymentsForShareRepurchaseProgramExciseTax" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="false" xbrli:balance="credit" />
  <xsd:element name="UnsecuredTermLoanDueAugust2028Member" id="rs_UnsecuredTermLoanDueAugust2028Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
  <xsd:element name="O2026Q3DividendsMember" id="rs_O2026Q3DividendsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" abstract="true" />
</xsd:schema>
