Designation:B49−17StandardSpecificationforCopperRodforElectricalPurposes1ThisstandardisissuedunderthefixeddesignationB49;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheU.S.DepartmentofDefense.1.Scope*1.1Thisspecificationcoverstherequirementsforrodindiametersfrom1⁄4to13⁄8in.(6.4to35mm)producedfromhighconductivitycopperslistedinTable1,namely,electrolytictough-pitch,oxygen-free,orfire-refinedhighconductivitycoppers,andaresuitableforfurtherfabricationintoelectricalconductors.1.2Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.3ThefollowingsafetyhazardscaveatpertainsonlytoSection13.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.1.4Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ThefollowingdocumentsinthecurrentissueoftheBookofStandardsformapartofthisspecificationtotheextentreferencedhereinanddefinematerialssuitableforuseinrodmanufacture:2.2ASTMStandards:2B5SpecificationforHighConductivityTough-PitchCopperRefineryShapesB115SpecificationforElectrolyticCopperCathodeB170SpecificationforOxygen-FreeElectrolyticCopper—RefineryShapesB193TestMethodforResistivityofElectricalConductorMaterialsB224ClassificationofCoppersB577TestMethodsforDetectionofC...
