Designation:B5−16StandardSpecificationforHighConductivityTough-PitchCopperRefineryShapes1ThisstandardisissuedunderthefixeddesignationB5;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheU.S.DepartmentofDefense.1.Scope*1.1Thisspecificationestablishestherequirementsforhighconductivity,tough-pitch,copperwirebars,cakes,slabs,billets,ingots,andingotbars.1.2Copperunderthisspecificationcorrespondstothedesignations“ETP”(UNSC11000)and“FRHC”(UNSC11020)asshowninClassificationB224.Thesecoppersmayalsobeusedtoproducecopperscorrespondingtothefollow-ing:CopperUNSNo.ClassificationB224DesignationC11300,C11400,C11500,andC11600STPC12000DLPC12200DHPC12300DHPSC14520DPTE1.3AlthoughthisspecificationincludescertainUNSdesig-nationsasdescribedinPracticeE527,thesedesignationsareforcrossreferenceonlyandarenotspecificationrequirements.Therefore,incaseofconflict,thisASTMspecificationshallgovern.1.4Units—Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.4.1Exception—ElectricalresistivityisexpressedinSIunits.2.ReferencedDocuments2.1ASTMStandards:2B193TestMethodforResistivityofElectricalConductorMaterialsB224ClassificationofCoppersB846TerminologyforCopperandCopperAlloysB950GuideforEditorialProceduresandFormofProductSpecificationsforCopperandCopperAlloysE29PracticeforUsingSignificantDigitsinTestDatatoDetermineConformancewithSpecificationsE53TestMethodforDeterminationofCopperinUnalloyedCopperbyGravimetryE255PracticeforSamplingCopperandCopperAlloysfortheDeterminationofChemicalCompositionE478TestMethodsforChemicalAnalysisofCopperAlloysE527PracticeforNumberingMetalsandAlloysintheUnifiedNumberingSystem(UNS)3.Termin...