qct272-1999标准（英文版）

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1、.ExplanationonStandardTransferringAccordingtotherequirementsofZhijijianjuNo.216[1998]BiddingLetterbyNationalBureauofQualityandTechnicalSupervisionandGuojiguanNo.126[1999]AdministrativeReplybyStateAdministrationofMachineryIndustry,wenowtransfertheoriginalstandardcodeZBT05001-89tothepresentin

2、dustrialstandardcodeQC/T272-1999withoutchangingthecontentsatpresent.Pleaseusethenewstandardcodewhenquotingit.ChinaAutomotiveIndustryStandardTechnicalConditionsforAutomotiveAluminumAlloyCastingZBT05001-891SubjectandScopeThisstandardspecifiesthetechnicalrequirements,testingmethods,inspectionr

3、ules,markingandpackagingofautomotivealuminumalloycasting.Thisstandardisapplicabletotheautomotivesandmoldandmetalmouldaluminumalloycasting.2.QuotedStandardsGB228TensileTestingMethodsofMetallicMaterialsGB231MetallicMaterials-BrinellHardnessTestingMethodsGBll73TechnicalConditionsofAluminumAllo

4、yCastingsZBT04006.4LimitTolerancesforCastingDimensionswithoutIndividualToleranceIndications3.TechnicalRequirements3.1ChemicalcompositionsarespecifiedasTable1Table1%AlloyDesignationAlloyCodeMainCompositionsImpurity(≤)SiCuMgMnTiAlFeMnCuZnMgNiTi+Znsummation(S)(J)(S)(J)ZAlSil2ZL10210.0~13.0——Re

5、st0.71.00.50.300.10.1—12.02.2ZAlSi9MgZL1048.0~10.5—0.17~-0.300.2~0.5—Rest0.60.9—0.10.25—0.151.11.4ZAlSi8CulMgZL1054.5~5.51.0~1.50.4~0.6———Rest0.61.00.5—0.3—0.151.11.4ZAlSi8CulMgZL1067.5~8.51.0~1.50.3~0.50.3~0.50.1~0.25Rest0.60.8—0.2———0.91.0ZAlSil2Cu2MglZL10811.0~13.01.0~2.00.4~1.00.3~0.9—R

6、est—0.7—0.20.30.21.2ZAlSil2CulMglNilZL10911.0~13.00.5~1.50.8~-1.3——Rest—0.70.2—0.20.8~1.50.21.2ZAlSi9Cu2MgZL1118.0~10.01.3~1.80.4~0.6.0.1~0.350.1~0.35Rest0.40.4———0.1—1.01.03.2MechanicperformancesarespecifiedasTable23.3Thecastingdimensionsandgeometricshapesshallcomplywiththerequirementsofpr

7、oductdrawings.ApprovedbyChinaAssociationofAutomobileManufacturersonDecember7,1989Effectivedate:April1,19901QC/T260-1998Table2AlloyDesignationAlloyCodeCastingMethods1)HeatTreatmentState2)MechanicPerformance(≥)TensileStrengthδ6(MPa)StretchingForceδ5(%)Hard