ASTM-B108108M-2015--铝和铝合金永久型模铸件的化学成分和力学性能

Designation:B108/B108M−15StandardSpecificationforAluminum-AlloyPermanentMoldCastings1ThisstandardisissuedunderthefixeddesignationB108/B108M;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheU.S.DepartmentofDefense.1.Scope*1.1Thisspecification2coversaluminum-alloypermanentmoldcastingsdesignatedasshowninTable1.1.2Thisspecificationisforaluminum-alloypermanentmoldcastingsusedingeneralpurposeapplications.Itmaynotaddressthemechanicalproperties,integritytesting,andveri-ficationrequiredforhighlyloadedorsafetycriticalapplica-tions.1.3AlloyandtemperdesignationsareinaccordancewithANSIH35.1/H35.1(M).TheequivalentunifiednumberingsystemalloydesignationsareinaccordancewithPracticeE527.1.4Unlesstheorderspecifiesthe“M”specificationdesignation,thematerialshallbefurnishedtotheinch-poundunits.1.5Foracceptancecriteriaforinclusionofnewaluminumandaluminumalloysandtheirpropertiesinthisspecification,seeAnnexA1andAnnexA2.1.6Units—ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Thevaluesstatedineachsystemmaynotbeexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnon-conformancewiththestandard.1.7Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1Thefollowingdocumentsoftheissueineffectonthedateofcastingpurchaseformapartofthisspecificationtotheextentreferencedherein:2.2ASTMStandards:3B179SpecificationforAluminumAlloysinIngotandMol-tenFormsforCastingsfromAllCastingProcessesB275PracticeforCodificationofCertainZinc,TinandLeadDieCastingsB557TestMethodsforTensionTestingWroughtandCastAluminum-andMagnesium-AlloyProductsB557MTestMethodsforTensionTestingWroughtandCastAluminum-andMagnesium-AlloyProducts(Metric)B660PracticesforPackaging/PackingofAluminumandMagnesiumProductsB881TerminologyRelatingtoAluminum-andMagnesium-AlloyProductsB917/B917MPracticeforHeatTreatmentofAluminum-AlloyCastingsfromAllProcessesB985PracticeforSamplingAluminumIngots,Billets,Cast-ingsandFinishedorSemi-FinishedWroughtAluminumProductsforCompositionalAnalysisD3951PracticeforCommercialPackagingE29PracticeforUsingSignificantDigitsinTestDatatoDetermineConformancewithSpecificationsE34TestMethodsforChemicalAnalysisofAluminumandAluminum-BaseAlloysE94GuideforRadiographicExaminationE155ReferenceRadiographsforInspectionofAluminumandMagnesiumCastingsE165PracticeforLiquidPenetrantExaminationforGeneralIndustryE527PracticeforNumberingMetalsandAlloysintheUnifiedNumberingSystem(UNS)E607TestMethodforAtomicEmissionSpectrometricAnalysisAluminumAlloysbythePointtoPlaneTech-niqueNitrogenAtmosphere(Withdrawn2011)4E716PracticesforSamplingandSamplePreparationofAluminumandAluminumAlloysforDeterminationofChemicalCompositionbySpectrochemicalAnalysis1ThisspecificationisunderthejurisdictionofASTMCommitteeB07onLightMetalsandAlloysandisthedirectresponsibilityofSubcommitteeB07.01onAluminumAlloyIngotsandCastings.CurrenteditionapprovedMay1,2015.PublishedMay2015.Originallyapprovedin1936.Lastpreviouseditionapprovedin2014asB108/B108M–14.DOI:10.1520/B0108_B0108M-15.2ForASMEBoilerandPressureCodeapplicationseerelatedSB-108.3ForreferencedASTMstandards,visittheASTMwebsite,@astm.org.ForAnnualBookofASTMStandardsvolumeinformation,refertothestandard’sDocumentSummarypageontheASTMwebsite.4Thelastapprovedversionofthishistoricalstandardisreferencedon*ASummaryofChangessectionappearsattheendofthisstandardCopyright©ASTMInternational,100BarrHarborDrive,POBoxC700,WestConshohocken,PA19428-2959.UnitedStates1E1251TestMethodforAnalysisofAluminumandAlumi-numAlloysbySparkAtomicEmissionSpectrometryE2422DigitalReferenceImagesforInspectionofAlumi-numCastingsIEEE/ASTMSI10StandardforUseoftheInternationalSystemofUnits(SI):TheModernMetricSystem2.3ANSIStandard:5H35.1/H35.1(M)AlloyandTemperDesignationSystemsforAluminum2.4MilitaryStandards:6MIL-STD-129MarkingforShipmentandStorageMIL-STD-276ImpregnationofPorousNonferrousMetalCastingsNAVSEAS9074-AR-GIB-010/278RequirementsforFabri-cationWeldingandInspection,andCastingInspectionandRepairforMachinery,Piping,andPressureVessels5AvailablefromAluminumAssociation,Inc.,1525WilsonBlvd.,Suite600,Arlington,VA22209,://–5.00.100.15–0.35...0.050.100.15–0.300.050.050.