Designation:B206/B206M−12(Reapproved2017)StandardSpecificationforCopper-Nickel-Zinc(NickelSilver)WireandCopper-NickelAlloyWire1ThisstandardisissuedunderthefixeddesignationB206/B206M;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheU.S.DepartmentofDefense.1.Scope*1.1Thisspecificationestablishestherequirementsforwireinround,hexagonal,octagonal,rectangular,andsquareformofUNSAlloyNos.C71000,C74500,C75200,C75700,C76400,C77000,andC79200.1.2Thisspecificationisgeneralinthattheproductisusedinmanyapplicationswheretherequirementsaretooparticulartobespecifiedbystandardtestresults.1.2.1Forparticularorcriticalapplicationsitisadvisableforthepurchasertosubmitsamplesordrawingstothemanufac-turertosecureanadjustmentofannealortempertosuittheapplicationforwhichtheproductisintended.1.3Thefollowinginformationisintendedtoassistthepurchaserintheapplicationofthisspecification:1.3.1Formostgeneralapplications—UNSAlloyNos.C71000,C74500,C75200,andC75700.1.3.2Forhardorspringtempers—UNSAlloyNos.C76400andC77000.1.3.3Foreaseofmachining—UNSAlloyNo.C79200.1.4Units—Valuesstatedineitherinch-poundunitsorSIunitsaretoberegardedseparatelyasstandard.Withinthetext,SIunitsareshowninbrackets.Thevaluesstatedineachsystemmaynotbeexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnonconformancewiththestandard.1.5Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:2B250/B250MSpecificationforGeneralRequirementsforWroughtCopperAlloyW...
