Designation:B301/B301M−13StandardSpecificationforFree-CuttingCopperRod,Bar,Wire,andShapes1ThisstandardisissuedunderthefixeddesignationB301/B301M;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheDepartmentofDefense.1.Scope*1.1Thisspecificationestablishestherequirementsforfree-cuttingcopperrod,bar,wire,andshapesofUNSAlloyNos.C14500,C14510,C14520,C14700,andC18700,suitableforhigh-speedscrewmachineworkorforgeneralapplications.1.2Typically,productmadetothisspecificationisfurnishedasstraightlengths.Sizes1⁄2in.[12mm]andundermaybefurnishedincoilswhenrequested.1.3Units—ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Withinthetext,SIunitsareshowninbrackets.Thevaluesstatedineachsystemmaynotbeexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnon-conformancewiththestandard.2.ReferencedDocuments2.1ASTMStandards:2B193TestMethodforResistivityofElectricalConductorMaterialsB249/B249MSpecificationforGeneralRequirementsforWroughtCopperandCopper-AlloyRod,Bar,ShapesandForgingsB250/B250MSpecificationforGeneralRequirementsforWroughtCopperAlloyWireB950GuideforEditorialProceduresandFormofProductSpecificationsforCopperandCopperAlloysE8/E8MTestMethodsforTensionTestingofMetallicMa-terialsE121TestMethodsforChemicalAnalysisofCopper-TelluriumAlloys(Withdrawn2010)3E478TestMethodsforChemicalAnalysisofCopperAlloys3.GeneralRequirements3.1ThefollowingsectionsofSpecificationsB249/B249MorB250/B250Mconstituteapartofthisspecification:3.1.1Terminology,3.1.2MaterialsandManufacture,3.1.3DimensionsandPermissibleVariations,3.1.4Workmanship,Finish,andAppearance,3.1.5Sampling,3.1.6NumberofTestsandRetests,3.1.7SpecimenPreparation,3.1.8TestMethods,3.1.9Inspecti...