ASTM-B62-2009--混合青铜或少量金属铸件标准规范

Designation:B62–09StandardSpecificationforCompositionBronzeorOunceMetalCastings1ThisstandardisissuedunderthefixeddesignationB62;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheDepartmentofDefense.1.Scope*1.1Thisspecification2establishesrequirementsforanalloyhavingacompositionofcopper,tin,lead,andzinc,usedforcomponentcastingsofvalves,flanges,andfittings.Thecom-montradenameofthisalloyis85-5-5-5;thecorrectidentifi-cationisCopperAlloyUNSNo.C83600.31.2Thecastingscoveredareusedinproductsthatmaybemanufacturedinadvanceandsuppliedfromstockfromthemanufacturerorotherdealer.1.3Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.2.ReferencedDocuments2.1ASTMStandards:4B208PracticeforPreparingTensionTestSpecimensforCopperAlloySand,PermanentMold,Centrifugal,andContinuousCastingsB824SpecificationforGeneralRequirementsforCopperAlloyCastingsE527PracticeforNumberingMetalsandAlloysintheUnifiedNumberingSystem(UNS)2.2MSSStandards:SP-25StandardMarkingSystemforValves,Fittings,FlangesandUnions53.GeneralRequirements3.1ThefollowingsectionsofSpecificationB824formapartofthisspecification.IntheeventofaconflictbetweenthisspecificationandSpecificationB824,therequirementsofthisspecificationshalltakeprecedence.3.1.1Terminology(Section3),3.1.2OtherRequirements(Section7),3.1.3Dimensions,Mass,andPermissibleVariations(Sec-tion8),3.1.4Workmanship,Finish,andAppearance(Section9),3.1.5Sampling(Section10),3.1.6NumberofTestsandRetests(Sections11and13),3.1.7SpecimenPreparation(Section12),3.1.8TestMethods(Section13),3.1.9SignificanceofNumericalLimits(Section14),3.1.10Inspection(Section15),3.1.11RejectionandRehearing(Section16),3.1.12Certification(Section17),3.1.13TestReport(Section18),3.1.14ProductMarking(Section19),and3.1.15PackagingandPackageMarking(Section20)4.Terminology4.1Fordefinitionsoftermsrelatingtocopperandcopperalloys,refertoTerminologyB846.5.OrderingInformation5.1Includethefollowinginformationwhenplacingordersforcastingsunderthisspecification:5.1.1Quantityofcastingsrequired,5.1.2CopperAlloyUNSNo.(Table1),5.1.3Specificationtitle,number,andyearofissue,5.1.4Patternordrawingnumberandcondition(as-cast,machined),5.1.5Chemicalanalysisofresidualelements,ifspecifiedinthepurchaseorder(SpecificationB824),5.1.6Pressuretestrequirements,ifspecifiedinthepurchaseorder(SpecificationB824),5.1.7Soundnessrequirements,ifspecifiedinthepurchaseorder(SpecificationB824),5.1.8Certification,ifspecifiedinthepurchaseorder(Speci-ficationB824),5.1.9Foundrytestreport,ifspecifiedinthepurchaseorder(SpecificationB824),5.1.10Witnessinspection,ifspecifiedinthepurchaseorder(SpecificationB824),1ThispracticeisunderthejurisdictionofASTMCommitteeB05onCopperandCopperAlloysandisthedirectresponsibilityofSubcommitteeB05.05onCastingsandIngotsforRemelting.CurrenteditionapprovedApril1,2009.PublishedMay2009.Originallyapprovedin1926.DiscontinuedJune2002andreinstatedasB62–02.Lastpreviouseditionapprovedin2002asB62–02.2ForASMEBoilerandPressureVesselCodeapplicationsseerelatedSpecifi-cationSB-61ofthatCode.3TheUNSsystemforcopperandcopperalloys(seePracticeE527)isasimpleexpansionoftheformerstandarddesignationsystemaccomplishedbytheadditionofaprefix“C”andasuffix“00”.Thesuffixcanbeusedtoaccommodatecompositionvariationsofthebasealloy.4AnnualBookofASTMStandards,Vol02.01.5AvailablefromManufacturersStandardizationSocietyoftheValveandFittingsIndustry,127ParkStreetNE,Vienna,VA22180-4602.1*ASummaryofChangessectionappearsattheendofthisstandard.Copyright©ASTMInternational,100BarrHarborDrive,POBoxC700,WestConshohocken,PA19428-2959,UnitedStates.5.1.11ASMEBoilerandPressureVesselapplication(Sec-tion10),and5.1.12Productmarking,ifspecifiedinthepurchaseorder(SpecificationB824andSection11).5.2WhenmaterialispurchasedforagenciesoftheU.S.Government,specifytheSupplementaryRequirementsinSpecificationB824.6.ChemicalComposition6.1ThealloyshallconformtotherequirementsspecifiedinTable1.6.2Thesespecificationlimitsdonotprecludethepresenceofotherelements.Limitsmaybeestablishedforunnamedelementsbyagreementbetweenmanufacturerorsupplierandpurchaser.Copperorzincmaybegivenasremainderandmaybetakenasthedifferencebetweenthesumofallelementsanalyzedand100%.WhenallnamedelementsinTable1areanalyzed,theirsumshallbeasfollows:CopperPlusNamedElements,99.3%Minimum(1)6.3Itisrecognizedthatresidualelementsmaybepresentincastcopperbasealloys.Analysisshallbemadeforresidualelementsonlywhenspecifiedinthepurchaseorder(Specifi-cationB824).7.MechanicalPropertyRequirements7.1Mechanicalpropertiesshallbedeterminedfromsepa-ratelycasttestbarsandshallmeettherequirementsshowninTable2.8.CastingRepair8.1Castingsshallnotberepaired,plugged,weldedorburned-in.9.Sampling9.1CopperAlloyUNSNo.C83600testbarcastingsshallbecasttotheformandd