Designation:B62−17StandardSpecificationforCompositionBronzeorOunceMetalCastings1ThisstandardisissuedunderthefixeddesignationB62;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheU.S.DepartmentofDefense.1.Scope*1.1Thisspecification2establishesrequirementsforanalloyhavingacompositionofcopper,tin,lead,andzinc,usedforcomponentcastingsofvalves,flanges,andfittings.Thecom-montradenameofthisalloyis85-5-5-5;thecorrectidentifi-cationisCopperAlloyUNSNo.C83600.31.2Thecastingscoveredareusedinproductsthatmaybemanufacturedinadvanceandsuppliedfromstockfromthemanufacturerorotherdealer.1.3Units—Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunits,whichareprovidedforinformationonlyandarenotconsideredstandard.1.4Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:4B208PracticeforPreparingTensionTestSpecimensforCopperAlloySand,PermanentMold,Centrifugal,andContinuousCastingsB824SpecificationforGeneralRequirementsforCopperAlloyCastingsB846TerminologyforCopperandCopperAlloysE8/E8MTestMethodsforTensionTestingofMetallicMa-terialsE527PracticeforNumberingMetalsandAlloysintheUnifiedNumberingSystem(UNS)2.2MSSStandard:5SP-25StandardMarkingSystemforValves,Fittings,FlangesandUnions3.GeneralRequirements3.1ThefollowingsectionsofSpecificationB824constituteapartofthisspecification.IntheeventofaconflictbetweenthisspecificationandSpecificationB824,therequirementsofthisspecificationshalltakeprecedence.3.1.1OtherRequireme...
