Designation:B803/B803M−19StandardSpecificationforHigh-StrengthZinc–5%Aluminum-MischmetalAlloy-CoatedSteelCoreWireforUseinOverheadElectricalConductors1ThisstandardisissuedunderthefixeddesignationB803/B803M;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thisspecificationcoversround,highstrength,zinc–5%aluminum-mischmetal(Zn–5Al–MM)alloy-coated,steelcorewirewithoneclassofZn–5Al–MMcoating(MA3)foruseinoverheadelectricalconductors.1.2Thisspecificationcoverswireofdiameterfrom0.0500to0.1900in.inclusiveor1.27to4.82mminclusive.1.3ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Thevaluesstatedineachsystemmaynotbeexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnon-conformancewiththestandard.1.4Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1Thefollowingdocumentsoftheissueineffectondateofmaterialpurchaseformapartofthisspecificationtotheextentreferencedherein.2.2ASTMStandards:2A90/A90MTestMethodforWeight[Mass]ofCoatingonIronandSteelArticleswithZincorZinc-AlloyCoatingsA370TestMethodsandDefinitionsforMechanicalTestingofSteelProductsA751TestMethods,Practices,andTerminologyforChemi-calAnalysisofSteelProductsB193TestMethodforResistivityofElectricalConductorMaterialsB750SpecificationforGALFANE47TestMethodsforChemicalAnalysisofZincDie-CastingAlloys(Withdrawn1997)3E1277TestMethodforAnalysisofZinc-5%Aluminum-MischmetalAlloysbyICPEmissionSpectrometryE29PracticeforUsingSignificantDigitsinTestDatatoDetermineConfo...
