Designation:A586−04a(Reapproved2014)StandardSpecificationforZinc-CoatedParallelandHelicalSteelWireStructuralStrand1ThisstandardisissuedunderthefixeddesignationA586;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheU.S.DepartmentofDefense.ThesetestmethodshavebeenapprovedforusebyagenciesoftheDepartmentofDefensetoreplaceMethod1013ofFederalTestMethodStandard406.1.Scope1.1Thisspecificationcoverszinc-coatedsteelwirestruc-turalstrand,forusewhereahigh-strength,high-modulus,multiple-wiretensionmemberisdesiredasacomponentpartofastructure.Thestrandisavailablewithparallelorhelicalwireconstruction.1.1.1Thestrandisavailablewithseveralzinccoatingclassesandwithtwostrengthgrades,asdescribedinSection4.1.2ThestrandisfurnishedwithClassAweightzinc-coatedwiresthroughout.ItcanbefurnishedwithClassBweightorClassCweightzinc-coatedouterwireswhereadditionalcorrosionprotectionisrequired.1.3Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.2.ReferencedDocuments2.1ASTMStandards:2A90/A90MTestMethodforWeight[Mass]ofCoatingonIronandSteelArticleswithZincorZinc-AlloyCoatingsA902TerminologyRelatingtoMetallicCoatedSteelProd-uctsB6SpecificationforZinc3.Terminology3.1SeeTerminologyA902fordefinitionoftermsrelatedtometallic-coatedsteelwireandstrand.3.2DefinitionsofTermsSpecifictoThisStandard:3.2.1outerwires(ofstrand),n—thosewiresintheoneouter-mostlayerofthewirescomposingthestrand.4.Classification4.1Thewirestrandisclassifiedasfollows.4.1.1BreakingStrengthisexpressedasGrade1orGrade2forstrandhavingaClassAzinccoatingontheouterwiresofthestrand.Strandwithheaviercoatingontheouterwiresisavailableinonlyonegrade.4.1.2CoatingWeightise...
