ASTM-B85--03

Designation:B85–03StandardSpecificationforAluminum-AlloyDieCastings1ThisstandardisissuedunderthefixeddesignationB85;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(e)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheDepartmentofDefense.1.Scope*1.1Thisspecificationcoversaluminum-alloydiecastingsofallcompositions.Thirteenofthemostcommonlydiecastalloycompositionsarespecified,designatedasshowninTable1.1.2AlloyandtemperdesignationsareinaccordancewithANSIH35.1.TheequivalentunifiednumberingsystemalloydesignationsareinaccordancewithPracticeE527.1.3Foracceptancecriteriaforinclusionofnewaluminumandaluminumalloysandtheirpropertiesinthisspecification,seeAnnexA1andAnnexA2.1.4Units—Thevaluesstatedininch-poundunitsaretoberegardedasthestandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitswhichareprovidedforinformationonlyandarenotconsideredstandard.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatoryrequirementspriortouse.2.ReferencedDocuments2.1Thefollowingdocumentsoftheissueineffectondateoforderacceptanceformapartofthisspecificationtotheextentreferencedherein:2.2ASTMStandards:B179SpecificationforAluminumAlloysinIngotandMoltenFormsforCastingsfromAllCastingProcesses2B275PracticeforCodificationofCertainNonferrousMet-alsandAlloys,CastandWrought2B557TestMethodsofTensionTestingWroughtandCastAluminum-andMagnesium-AlloyProducts2B660PracticesforPackaging/PackingofAluminumandMagnesiumProducts2B881TerminologyRelatingtoAluminum-andMagnesium-AlloyProducts2D3951PracticeforCommercialPackaging3E8TestMethodsforTensionTestingofMetallicMaterials4E23TestMethodsforNotchedBarImpactTestingofMetallicMaterials4E29PracticeforUsingSignificantDigitsinTestDatatoDetermineConformancewithSpecifications5E34TestMethodsforChemicalAnalysisofAluminumandAluminum-BaseAlloys6E88PracticeforSamplingNonferrousMetalsandAlloysinCastFormforDeterminationofChemicalComposition6E505ReferenceRadiographsforInspectionofAluminumandMagnesiumDieCastings7E527PracticeforNumberingMetalsandAlloys(UNS)8E607TestMethodforAtomicEmissionSpectrometricAnalysisAluminumAlloysbythePoint-to-PlaneTech-nique,NitrogenAtmosphere6E716PracticesforSamplingAluminumandAluminumAlloysforSpectrochemicalAnalysis6E1251TestMethodforOpticalEmissionSpectrometricAnalysisofAluminumandAluminumAlloysbytheArgonAtmosphere,Point-to-Plane,UnipolarSelf-InitiatingCa-pacitorDischarge62.3AMSStandard:AMS-STD-184IdentificationMarkingofAluminum,Mag-nesiumandTitanium92.4ANSIStandard:H35.1AlloyandTemperDesignationSystemsforAlumi-num102.5NADCAProductSpecificationStandardsforDieCast-ings:11EngineeringandDesign:CoordinateDimensioning1ThisspecificationisunderthejurisdictionofASTMCommitteeB07onLightMetalsandAlloysandisthedirectresponsibilityofSubcommitteeB07.01onAluminumAlloyIngotsandCastings.CurrenteditionapprovedApril10,2003.PublishedAugust2003.Originallyapprovedin1931.Lastpreviouseditionapprovedin2002asB85–02.2AnnualBookofASTMStandards,Vol02.02.3AnnualBookofASTMStandards,Vol15.09.4AnnualBookofASTMStandards,Vol03.01.5AnnualBookofASTMStandards,Vol14.02.6AnnualBookofASTMStandards,Vol03.05.7AnnualBookofASTMStandards,Vol03.03.8AnnualBookofASTMStandards,Vol01.01.9AvailablefromSAEAEROSPACE,400CommonwealthDr.,Warrendale,PA15096-0001.10AvailablefromAmericanNationalStandardsInstitute(ANSI),25W.43rdSt.,4thFloor,NewYork,NY10036.11AvailablefromNorthAmericanDieCastingAssociation(NADCA),9701W.HigginsRd.,Suite880,Rosemont,IL60018–4721.1*ASummaryofChangessectionappearsattheendofthisstandard.Copyright©ASTMInternational,100BarrHarborDrive,POBoxC700,WestConshohocken,PA19428-2959,UnitedStates.CopyrightbyASTMInt'l(allrightsreserved);ReproductionauthorizedperLicenseAgreementwithVictoriaBoyer(SouthcoInc.);MonOct409:24:43EDT2004S-4A-1-00LinearDimensions:StandardTolerancesS-4A-2-00PartingLine:StandardTolerancesS-4A-3-00MovingDieComponents(MDC):StandardTol-erancesS-4A-4-00DraftRequirements:StandardTolerancesS-4A-5-00FlatnessRequirements:StandardTolerancesS-4A-6-00CoredHolesforCutThreads:StandardToler-ancesS-4A-8-00CoredHolesforPipeThreads:StandardToler-ancesP-4A-1-00LinearDimensions:PrecisionTolerancesP-4A-2-00PartingLine:PrecisionTolerancesP-4A-3-00MovingDieComponents(MDC):PrecisionTol-erancesP-4A-4-00DraftRequirements:PrecisionTolerancesP-4A-5-00FlatnessRequirements:PrecisionTolerancesP-4A-6-00CoredHolesforCutThreads:PrecisionToler-ancesP-4A-7-00CoredHolesforFormedThreads:PrecisionTolerancesS/P-4-9-00MachiningStockAllowances(StandardandPrecision)EngineeringandDesign:AdditionalSpecifica-tionGuidelinesG-6-1-00PressureTightnessinDieCastPartsG-6-2-00Fillets,RibsandCornersinDiecastParts(1of2)G-6-3-00Fillets,RibsandCornersinDiecastParts(2of2)G-6-4-00EjectorPins,PinMarksandPinFlashG-6-5-00C