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        <link:definition>995319 - Disclosure - Employee Benefits</link:definition>
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        <link:definition>995323 - Disclosure - Other Comprehensive Income (Loss)</link:definition>
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        <link:definition>995324 - Disclosure - Transactions and Balances with Related Parties</link:definition>
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        <link:definition>995326 - Disclosure - Other Income (Expenses), Net</link:definition>
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        <link:definition>995327 - Disclosure - Financial Instruments</link:definition>
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        <link:definition>995328 - Disclosure - Financial Information by Segments</link:definition>
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        <link:definition>996011 - Disclosure - Income Taxes (Tables)</link:definition>
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        <link:definition>996014 - Disclosure - Other Comprehensive Income (Loss) (Tables)</link:definition>
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        <link:definition>996018 - Disclosure - Financial Instruments (Tables)</link:definition>
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  <xs:element name="IntangibleandOtherLongTermAssetsScheduleofReconciliationBetweentheOpeningandClosingBalancesDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="simecb_IntangibleandOtherLongTermAssetsScheduleofReconciliationBetweentheOpeningandClosingBalancesDetailsTable"/>
  <xs:element name="CancellationsAmount" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="simecb_CancellationsAmount"/>
  <xs:element name="OtherAccruedLiabilities" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="simecb_OtherAccruedLiabilities"/>
  <xs:element name="TotalAccountsPayableTradeAndOtherAccruedLiabilities" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="simecb_TotalAccountsPayableTradeAndOtherAccruedLiabilities"/>
  <xs:element name="EmployeeBenefitsScheduleofEmployeeBenefitsLiabilityDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="simecb_EmployeeBenefitsScheduleofEmployeeBenefitsLiabilityDetailsTable"/>
  <xs:element name="PlusNonVestedBenefitsObligation" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="simecb_PlusNonVestedBenefitsObligation"/>
  <xs:element name="EmployeeBenefitsScheduleofNetCostforthePeriodBookedinProfitandLossDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="simecb_EmployeeBenefitsScheduleofNetCostforthePeriodBookedinProfitandLossDetailsTable"/>
  <xs:element name="EmployeeBenefitsScheduleofNetCostforthePeriodBookedinProfitandLossDetailsLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="simecb_EmployeeBenefitsScheduleofNetCostforthePeriodBookedinProfitandLossDetailsLineItems"/>
  <xs:element name="ServiceCost" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="simecb_ServiceCost"/>
  <xs:element name="EarlySettlementOfObligations" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="simecb_EarlySettlementOfObligations"/>
  <xs:element name="NetCostForThePeriod" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="simecb_NetCostForThePeriod"/>
  <xs:element name="DefinedBenefitObligationAtPresentValues" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="simecb_DefinedBenefitObligationAtPresentValues"/>
  <xs:element name="DefinedBenefitsCosts" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="simecb_DefinedBenefitsCosts"/>
  <xs:element name="InitialProfitandLossEmployeeBenefits" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="simecb_InitialProfitandLossEmployeeBenefits"/>
  <xs:element name="NetCostsForThePeriod" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="simecb_NetCostsForThePeriod"/>
  <xs:element name="PaidBenefits" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="simecb_PaidBenefits"/>
  <xs:element name="FinaIProfitandLossEmployeeBenefits" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="simecb_FinaIProfitandLossEmployeeBenefits"/>
  <xs:element name="DefinedBenefitsObligationsDBO" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="simecb_DefinedBenefitsObligationsDBO"/>
  <xs:element name="IncomeTaxesScheduleofIncomeTaxChargedDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="simecb_IncomeTaxesScheduleofIncomeTaxChargedDetailsTable"/>
  <xs:element name="IncomeTaxesScheduleofIncomeTaxChargedDetailsLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="simecb_IncomeTaxesScheduleofIncomeTaxChargedDetailsLineItems"/>
  <xs:element name="ExpectedBenefitTaxExpense" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="simecb_ExpectedBenefitTaxExpense"/>
  <xs:element name="IncreaseDecreaseInInflationEffectsNet" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="simecb_IncreaseDecreaseInInflationEffectsNet"/>
  <xs:element name="BenefitFromUtilizationOfTaxLossCarryforwardAndOthers" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="simecb_BenefitFromUtilizationOfTaxLossCarryforwardAndOthers"/>
  <xs:element name="IncomeTaxExpenseContinuingOperationsExcludingCertainPreviousYearExpenses" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="simecb_IncomeTaxExpenseContinuingOperationsExcludingCertainPreviousYearExpenses"/>
  <xs:element name="IncomeTaxesScheduleofTaxLossesPendingofAmortizeDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="simecb_IncomeTaxesScheduleofTaxLossesPendingofAmortizeDetailsTable"/>
  <xs:element name="IncomeTaxesScheduleofDeferredIncomeTaxLiabilityDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="simecb_IncomeTaxesScheduleofDeferredIncomeTaxLiabilityDetailsTable"/>
  <xs:element name="IncomeTaxesScheduleofDeferredIncomeTaxLiabilityDetailsLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="simecb_IncomeTaxesScheduleofDeferredIncomeTaxLiabilityDetailsLineItems"/>
  <xs:element name="DeferredTaxAssetsAllowanceForDoubtfulAccounts" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="simecb_DeferredTaxAssetsAllowanceForDoubtfulAccounts"/>
  <xs:element name="DeferredTaxAssetsAdvancesFromCustomers" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="simecb_DeferredTaxAssetsAdvancesFromCustomers"/>
  <xs:element name="FixedCapitalShares" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item" id="simecb_FixedCapitalShares"/>
  <xs:element name="FixedCapitalAmount" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="simecb_FixedCapitalAmount"/>
  <xs:element name="VariableCapitalShares" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item" id="simecb_VariableCapitalShares"/>
  <xs:element name="VariableCapitalAmount" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="simecb_VariableCapitalAmount"/>
  <xs:element name="ShareCapitalShares" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item" id="simecb_ShareCapitalShares"/>
  <xs:element name="ShareCapitalAmount" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="simecb_ShareCapitalAmount"/>
  <xs:element name="EffectOfRestatementAmount" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="simecb_EffectOfRestatementAmount"/>
  <xs:element name="ShareOfTranslationEffectsOfForeignSubsidiaries" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="simecb_ShareOfTranslationEffectsOfForeignSubsidiaries"/>
  <xs:element name="OtherComprehensiveIncomeLossScheduleofOtherComprehensiveIncomeLossDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="simecb_OtherComprehensiveIncomeLossScheduleofOtherComprehensiveIncomeLossDetailsTable"/>
  <xs:element name="ConversionTranslationAdjustmentOnForeignSubsidiaries" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="simecb_ConversionTranslationAdjustmentOnForeignSubsidiaries"/>
  <xs:element name="TransactionsandBalanceswithRelatedPartiesScheduleofBalancesReceivablefromandPayabletoRelatedPartiesDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="simecb_TransactionsandBalanceswithRelatedPartiesScheduleofBalancesReceivablefromandPayabletoRelatedPartiesDetailsTable"/>
  <xs:element name="TransactionsandBalanceswithRelatedPartiesScheduleofBalancesReceivablefromandPayabletoRelatedPartiesDetailsLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="simecb_TransactionsandBalanceswithRelatedPartiesScheduleofBalancesReceivablefromandPayabletoRelatedPartiesDetailsLineItems"/>
  <xs:element name="CostofSalesandExpensesbytheirNatureScheduleofCostofSalesandAdministrationExpensesDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="simecb_CostofSalesandExpensesbytheirNatureScheduleofCostofSalesandAdministrationExpensesDetailsTable"/>
  <xs:element name="LandsTreatment" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="simecb_LandsTreatment"/>
  <xs:element name="ScrapMetalSales" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="simecb_ScrapMetalSales"/>
  <xs:element name="SaleOfScrap" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="simecb_SaleOfScrap"/>
  <xs:element name="RecoveryOfLosses" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="simecb_RecoveryOfLosses"/>
  <xs:element name="ProfitsFromInventorySales" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="simecb_ProfitsFromInventorySales"/>
  <xs:element name="RepublicAccountDebugging" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="simecb_RepublicAccountDebugging"/>
  <xs:element name="ProfitsFromSaleOfFixedAssets" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="simecb_ProfitsFromSaleOfFixedAssets"/>
  <xs:element name="RecoveryOfTaxBenefits" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="simecb_RecoveryOfTaxBenefits"/>
  <xs:element name="GVAccountDebugging" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="simecb_GVAccountDebugging"/>
  <xs:element name="OtherIncomeAndOtherexpensesNet" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="simecb_OtherIncomeAndOtherexpensesNet"/>
  <xs:element name="ShortTermAsset" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="simecb_ShortTermAsset"/>
  <xs:element name="ShortTermsLiabilities" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="simecb_ShortTermsLiabilities"/>
  <xs:element name="UndrawnBalances" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="simecb_UndrawnBalances"/>
  <xs:element name="FinancialInformationbySegmentsScheduleofFinancialInformationbySegmentsDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="simecb_FinancialInformationbySegmentsScheduleofFinancialInformationbySegmentsDetailsTable"/>
  <xs:element name="AcquisitionsOfPropertyPlantAndEquipment" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="simecb_AcquisitionsOfPropertyPlantAndEquipment"/>
  <xs:element name="StockExchangeTerm" type="xbrli:durationItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="simecb_StockExchangeTerm"/>
  <xs:element name="SignificantEventsDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="simecb_SignificantEventsDetailsTable"/>
  <xs:element name="PercentageOfShareCapital" type="dtr:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="simecb_PercentageOfShareCapital"/>
  <xs:element name="CorrespondingShares" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="simecb_CorrespondingShares"/>
  <xs:element name="CommonStockUnitValue" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="simecb_CommonStockUnitValue"/>
  <xs:element name="InvestmentsIncreaseProductionCapacity" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="simecb_InvestmentsIncreaseProductionCapacity"/>
  <xs:element name="BasisofPreparationandPresentationoftheConsolidatedFinancialStatementsDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="simecb_BasisofPreparationandPresentationoftheConsolidatedFinancialStatementsDetailsTable"/>
  <xs:element name="QuantityOfInventories" type="xbrli:decimalItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item" id="simecb_QuantityOfInventories"/>
  <xs:element name="QuantityOfInventorie" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="simecb_QuantityOfInventorie"/>
  <xs:element name="PercentageRangeOfChangesInFairValueOrCashFlowsOfHedgingInstrument" type="dtr:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="simecb_PercentageRangeOfChangesInFairValueOrCashFlowsOfHedgingInstrument"/>
  <xs:element name="CreditTerm" type="xbrli:durationItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="simecb_CreditTerm"/>
  <xs:element name="InventoriesDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="simecb_InventoriesDetailsTable"/>
  <xs:element name="InventoriesDetailsLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="simecb_InventoriesDetailsLineItems"/>
  <xs:element name="IntangibleandOtherLongTermAssetsDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="simecb_IntangibleandOtherLongTermAssetsDetailsTable"/>
  <xs:element name="ShortTermDebtDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="simecb_ShortTermDebtDetailsTable"/>
  <xs:element name="ExchangeAmount" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="simecb_ExchangeAmount"/>
  <xs:element name="EmployeeBenefitsDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="simecb_EmployeeBenefitsDetailsTable"/>
  <xs:element name="PercentageOfCollectiveBargainingAgreements" type="dtr:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="simecb_PercentageOfCollectiveBargainingAgreements"/>
  <xs:element name="PercentageShareOfEmployersProfits" type="dtr:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="simecb_PercentageShareOfEmployersProfits"/>
  <xs:element name="EmployeeProfitSharingAmount" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="simecb_EmployeeProfitSharingAmount"/>
  <xs:element name="DeferredContributionPlanPercentage" type="dtr:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="simecb_DeferredContributionPlanPercentage"/>
  <xs:element name="WithdrawalPayment" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="simecb_WithdrawalPayment"/>
  <xs:element name="PaymentsOfProvisons" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="simecb_PaymentsOfProvisons"/>
  <xs:element name="IncomeTaxesDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="simecb_IncomeTaxesDetailsTable"/>
  <xs:element name="IncomeTaxesDetailsLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="simecb_IncomeTaxesDetailsLineItems"/>
  <xs:element name="TaxLossCarryforwardsForFederalTax" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="simecb_TaxLossCarryforwardsForFederalTax"/>
  <xs:element name="TaxLossCarryforwardsExpireAfterCertainPeriod" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="simecb_TaxLossCarryforwardsExpireAfterCertainPeriod"/>
  <xs:element name="TaxLossCarryforwardsExpirationPeriod" type="xbrli:stringItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="simecb_TaxLossCarryforwardsExpirationPeriod"/>
  <xs:element name="TaxLossCarryforwardsExpireIndefinitely" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="simecb_TaxLossCarryforwardsExpireIndefinitely"/>
  <xs:element name="TaxLossesForStateAndMunicipal" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="simecb_TaxLossesForStateAndMunicipal"/>
  <xs:element name="TaxLossesExpirationPeriod" type="xbrli:stringItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="simecb_TaxLossesExpirationPeriod"/>
  <xs:element name="StockholdersEquityDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="simecb_StockholdersEquityDetailsTable"/>
  <xs:element name="PercentageOfLegalReserve" type="dtr:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="simecb_PercentageOfLegalReserve"/>
  <xs:element name="PercentageOfNominalCapital" type="dtr:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="simecb_PercentageOfNominalCapital"/>
  <xs:element name="LegalReserve" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="simecb_LegalReserve"/>
  <xs:element name="PercentageOfNominalStockholdersEquity" type="dtr:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="simecb_PercentageOfNominalStockholdersEquity"/>
  <xs:element name="TreasuryShare" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item" id="simecb_TreasuryShare"/>
  <xs:element name="TransactionsandBalanceswithRelatedPartiesDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="simecb_TransactionsandBalanceswithRelatedPartiesDetailsTable"/>
  <xs:element name="FinancialInstrumentsDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="simecb_FinancialInstrumentsDetailsTable"/>
  <xs:element name="ContingenciesDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="simecb_ContingenciesDetailsTable"/>
  <xs:element name="ContingenciesDetailsLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="simecb_ContingenciesDetailsLineItems"/>
  <xs:element name="DispositionOfStack" type="xbrli:integerItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="simecb_DispositionOfStack"/>
  <xs:element name="TotalMetricTons" type="xbrli:decimalItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="simecb_TotalMetricTons"/>
  <xs:element name="AmountOfPenaltyPaid" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="simecb_AmountOfPenaltyPaid"/>
  <xs:element name="EnvironmentalLiabilities" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="simecb_EnvironmentalLiabilities"/>
  <xs:element name="CivilPenalties" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="simecb_CivilPenalties"/>
  <xs:element name="PensionAmount" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="simecb_PensionAmount"/>
  <xs:element name="UnpaidContributions" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="simecb_UnpaidContributions"/>
  <xs:element name="SaleAndUseTaxAmount" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="simecb_SaleAndUseTaxAmount"/>
  <xs:element name="InterestOnSaleAndUseTax" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="simecb_InterestOnSaleAndUseTax"/>
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  <xs:element name="MarketValueOfTheLand" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="simecb_MarketValueOfTheLand"/>
  <xs:element name="CompensationForDamages" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="simecb_CompensationForDamages"/>
  <xs:element name="DeductedForOutstandingPropertyTaxes" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="simecb_DeductedForOutstandingPropertyTaxes"/>
  <xs:element name="MetrolinxPaidAmount" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="simecb_MetrolinxPaidAmount"/>
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  <xs:element name="PercentageOfFinalResult" type="dtr:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="simecb_PercentageOfFinalResult"/>
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  <xs:element name="AMRICAMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="simecb_AMRICAMember"/>
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  <xs:element name="ArrendadoraNorteDeMatamorosSADeCVMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="simecb_ArrendadoraNorteDeMatamorosSADeCVMember"/>
  <xs:element name="CESPAURENMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="simecb_CESPAURENMember"/>
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  <xs:element name="CompaaIndustrialMexicanaSADeCVMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="simecb_CompaaIndustrialMexicanaSADeCVMember"/>
  <xs:element name="CompaaManufactureraDeTubosSADeCVMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="simecb_CompaaManufactureraDeTubosSADeCVMember"/>
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  <xs:element name="CoordinadoraDeServiciosSiderrgicosDeCalidadSADeCVMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="simecb_CoordinadoraDeServiciosSiderrgicosDeCalidadSADeCVMember"/>
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  <xs:element name="ElectricalEnergyMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="simecb_ElectricalEnergyMember"/>
  <xs:element name="ElectrodesMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="simecb_ElectrodesMember"/>
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  <xs:element name="EmployeeBenefitsLiabilityMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="simecb_EmployeeBenefitsLiabilityMember"/>
  <xs:element name="FerroalloysMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="simecb_FerroalloysMember"/>
  <xs:element name="FerrovisaSADeCVMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="simecb_FerrovisaSADeCVMember"/>
  <xs:element name="FurnitureMixturesComputerMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="simecb_FurnitureMixturesComputerMember"/>
  <xs:element name="GasAndFuelsMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="simecb_GasAndFuelsMember"/>
  <xs:element name="GasesIndustrialesDeAmericaSADeCVMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="simecb_GasesIndustrialesDeAmericaSADeCVMember"/>
  <xs:element name="GrupoSanMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="simecb_GrupoSanMember"/>
  <xs:element name="HoldingProtelSADeCVMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="simecb_HoldingProtelSADeCVMember"/>
  <xs:element name="HoldingProtelSadecvMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="simecb_HoldingProtelSadecvMember"/>
  <xs:element name="ICHHoldingCompanyShareInSimRepCorporationAndSubsidiariesMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="simecb_ICHHoldingCompanyShareInSimRepCorporationAndSubsidiariesMember"/>
  <xs:element name="IndustriasCHSABDeCVMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="simecb_IndustriasCHSABDeCVMember"/>
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  <xs:element name="IndustriasProcarsaSADeCVMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="simecb_IndustriasProcarsaSADeCVMember"/>
  <xs:element name="IntangibleAssetsFromGrupoSanMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="simecb_IntangibleAssetsFromGrupoSanMember"/>
  <xs:element name="JoistDelGolfoSADeCVMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="simecb_JoistDelGolfoSADeCVMember"/>
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  <xs:element name="MaintenancesMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="simecb_MaintenancesMember"/>
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  <xs:element name="NewcomMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="simecb_NewcomMember"/>
  <xs:element name="NewcommMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="simecb_NewcommMember"/>
  <xs:element name="NonadjustingEventsMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="simecb_NonadjustingEventsMember"/>
  <xs:element name="OperadoraCompaaMexicanaDeTubosSADeCVMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="simecb_OperadoraCompaaMexicanaDeTubosSADeCVMember"/>
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  <xs:element name="OperadoraConstrualcoSADeCVMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="simecb_OperadoraConstrualcoSADeCVMember"/>
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  <xs:element name="OperadoraPytsaIndustrialSadecvMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="simecb_OperadoraPytsaIndustrialSadecvMember"/>
  <xs:element name="OperationMaterialsMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="simecb_OperationMaterialsMember"/>
  <xs:element name="OriginDateEightMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="simecb_OriginDateEightMember"/>
  <xs:element name="OriginDateFiveMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="simecb_OriginDateFiveMember"/>
  <xs:element name="OriginDateFourMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="simecb_OriginDateFourMember"/>
  <xs:element name="OriginDateNineMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="simecb_OriginDateNineMember"/>
  <xs:element name="OriginDateOneMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="simecb_OriginDateOneMember"/>
  <xs:element name="OriginDateSevenMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="simecb_OriginDateSevenMember"/>
  <xs:element name="OriginDateSixMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="simecb_OriginDateSixMember"/>
  <xs:element name="OriginDateTenMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="simecb_OriginDateTenMember"/>
  <xs:element name="OriginDateThreeMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="simecb_OriginDateThreeMember"/>
  <xs:element name="OriginDateTwoMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="simecb_OriginDateTwoMember"/>
  <xs:element name="OtherEquityInstrumentsMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="simecb_OtherEquityInstrumentsMember"/>
  <xs:element name="OtherExpensesMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="simecb_OtherExpensesMember"/>
  <xs:element name="OthersMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="simecb_OthersMember"/>
  <xs:element name="OxygenMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="simecb_OxygenMember"/>
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  <xs:element name="PerfilesComercialesSigosaSADeCVMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="simecb_PerfilesComercialesSigosaSADeCVMember"/>
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  <xs:element name="PytsaIndustrialDeMexicoSADeCVMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="simecb_PytsaIndustrialDeMexicoSADeCVMember"/>
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  <xs:element name="RefractoriesMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="simecb_RefractoriesMember"/>
  <xs:element name="RepublicCanadianDrawIncMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="simecb_RepublicCanadianDrawIncMember"/>
  <xs:element name="RepublicEmployeesMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="simecb_RepublicEmployeesMember"/>
  <xs:element name="RepublicMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="simecb_RepublicMember"/>
  <xs:element name="RepublicSteelMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="simecb_RepublicSteelMember"/>
  <xs:element name="RepublicTradeMarkMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="simecb_RepublicTradeMarkMember"/>
  <xs:element name="RepurchaseOfOwnCapitalStockReserveMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="simecb_RepurchaseOfOwnCapitalStockReserveMember"/>
  <xs:element name="RetirementBenefitsMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="simecb_RetirementBenefitsMember"/>
  <xs:element name="SQUADRAMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="simecb_SQUADRAMember"/>
  <xs:element name="San42TrademarkMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="simecb_San42TrademarkMember"/>
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</xs:schema>
