ASTM20B196220B196M-07

Designation:B196/B196M–07StandardSpecificationforCopper-BerylliumAlloyRodandBar1ThisstandardisissuedunderthefixeddesignationB196/B196M;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(e)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheDepartmentofDefense.1.Scope*1.1Thisspecificationestablishestherequirementsforcopper-berylliumalloyrodandbarinstraightlengths.Thefollowingthreealloysareincluded:CopperAlloyUNSNo.PreviouslyUsedDesignationsNominalBerylliumContent,%C17000Alloy1651.7C17200Alloy251.9C173001.9+0.4lead1.2Unlessotherwiserequired,CopperAlloyUNSNo.C17200shallbethealloyfurnishedwheneverSpecificationB196/B196Misspecifiedwithoutanyalloydesignation.1.3Thevaluesstatedineitherinch-poundsorSIunitsaretoberegardedseparatelyasthestandard.Withinthetext,theSIunitsareshowninbrackets.Thevaluesstatedineachsystemmaynotbeexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnonconformancewiththespecifi-cation.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ThefollowingdocumentsinthecurrentissueoftheBookofStandardsformapartofthisspecificationtotheextentreferencedherein:2.2ASTMStandards:2B194SpecificationforCopper-BerylliumAlloyPlate,Sheet,Strip,andRolledBarB249/B249MSpecificationforGeneralRequirementsforWroughtCopperandCopper-AlloyRod,Bar,ShapesandForgingsB601ClassificationforTemperDesignationsforCopperandCopperAlloys—WroughtandCastB846TerminologyforCopperandCopperAlloysE8TestMethodsforTensionTestingofMetallicMaterialsE8MTestMethodsforTensionTestingofMetallicMate-rials[Metric]3.GeneralRequirements3.1ThefollowingsectionsofSpecificationB249/B249Mconstituteapartofthisspecification:3.1.1Terminology;3.1.2DimensionsandPermissibleVariations;3.1.3Workmanship,Finish,andAppearance;3.1.4Sampling;3.1.5NumberofTestsandRetests;3.1.6SpecimenPreparation;3.1.7TestMethods;3.1.8SignificanceofNumericalLimits;3.1.9Inspection;3.1.10RejectionandRehearing;3.1.11Certification;3.1.12MillTestReport;3.1.13PackagingandPackageMarking;and3.1.14HeatIdentification3.2Inaddition,whenasectionwithatitleidenticaltothatreferencedin3.1aboveappearsinthisspecification,itcontainsadditionalrequirementswhichsupplementthoseappearinginSpecificationB249/B249M.4.Terminology4.1Fortermsrelatedtocopperandcopperalloys,refertoTerminologyB846.4.2DefinitionsofTermsSpecifictoThisStandard:4.2.1Heat—Aheatshallbetheresultofcastingspouredsimultaneouslyfromthesamesourceofmoltenmetal.1ThisspecificationisunderthejurisdictionofASTMCommitteeB05onCopperandCopperAlloysandisthedirectresponsibilityofSubcommitteeB05.02onRod,Bar,Wire,ShapesandForgings.CurrenteditionapprovedApril1,2007.PublishedApril2007.Originallyapprovedin1945toreplaceportionsofB120–41T.Lastpreviouseditionapprovedin2003asB196/B196M–03.2ForreferencedASTMstandards,visittheASTMwebsite,@astm.org.ForAnnualBookofASTMStandardsvolumeinformation,refertothestandard’sDocumentSummarypageontheASTMwebsite.1*ASummaryofChangessectionappearsattheendofthisstandard.Copyright©ASTMInternational,100BarrHarborDrive,POBoxC700,WestConshohocken,PA19428-2959,UnitedStates.CopyrightbyASTMInt'l(allrightsreserved);MonJan2820:27:29EST2008Downloaded/printedbyOuyangHeng(AndrewTelecommunications)pursuanttoLicenseAgreement.Nofurtherreproductionsauthorized.4.2.2Lot—Thelotshallbeaheatorfractionthereof.5.OrderingInformation5.1Ordersforproductsshouldincludethefollowinginfor-mation,asapplicable:5.1.1ASTMspecificationdesignationandyearofissue,5.1.2Quantity,5.1.3CopperAlloyUNSNo.designation(Section1),5.1.4Formofmaterial(rodorbarandcrosssection,suchasround,hexagonal,andsoforth),5.1.5Temper(Section8),5.1.6Dimensions(diameterordistancebetweenparallelsurfaces,andlength),5.1.7Howfurnished(stockorspecificlengths,withorwithoutends),and5.1.8WhenmaterialisorderedforagenciesoftheU.S.government(SeeSection11).5.2Thefollowingoptionsareavailableandshouldbespecifiedinthecontractorpurchaseorderwhenrequired:5.2.1Typeofedge(squarecorners,roundedcorners,roundededge,full-roundededge),5.2.2Mechanicalproperties(tensiontestandhardness)(Section10),5.2.3Certification,and5.2.4MillTestReport.6.MaterialsandManufacture6.1Material:6.1.1ThematerialofmanufactureshallbeCopperAlloyUNSNo.C17000,C17200,orC17300,castandworkedandofsuchpurityandsoundnessastobesuitableforprocessingintotheproductsprescribedherein.6.1.2HeattraceabilityshallbemaintainedandreportedontheMillTestReportorCertification.6.2Manufacture:6.2.1Theproductshallbeproducedwithacombinationhotworking,coldworking,andthermalprocessingtoproduceauniformwroughtstructureandthespecifiedtemper.7.ChemicalComposition7.1Thematerialshallconformtothechemica