Designation:A653/A653M−15´1StandardSpecificationforSteelSheet,Zinc-Coated(Galvanized)orZinc-IronAlloy-Coated(Galvannealed)bytheHot-DipProcess1ThisstandardisissuedunderthefixeddesignationA653/A653M;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ε1NOTE—InTableS2.1,theInch-PoundmaximumvalueforZinc,CoatingDesignation90Gwascorrectedfrom0.62to0.52editoriallyinMarch2016.1.Scope*1.1Thisspecificationcoverssteelsheet,zinc-coated(gal-vanized)orzinc-ironalloy-coated(galvannealed)bythehot-dipprocessincoilsandcutlengths.1.2Theproductisproducedinvariouszincorzinc-ironalloy-coatingweights[masses]orcoatingdesignationsasshowninTable1andinTableS2.1.1.3ProductfurnishedunderthisspecificationshallconformtotheapplicablerequirementsofthelatestissueofSpecifica-tionA924/A924M,unlessotherwiseprovidedherein.1.4Theproductisavailableinanumberofdesignations,gradesandclassesinfourgeneralcategoriesthataredesignedtobecompatiblewithdifferentapplicationrequirements.1.4.1Steelswithmandatorychemicalrequirementsandtypicalmechanicalproperties.1.4.2Steelswithmandatorychemicalrequirementsandmandatorymechanicalproperties.1.4.3Steelswithmandatorychemicalrequirementsandmandatorymechanicalpropertiesthatareachievedthroughsolid-solutionorbakehardening.1.5Thisspecificationisapplicabletoordersineitherinch-poundunits(asA653)orSIunits(asA653M).Valuesininch-poundandSIunitsarenotnecessarilyequivalent.Withinthetext,SIunitsareshowninbrackets.Eachsystemshallbeusedindependentlyoftheother.1.6Thetextofthisspecificationreferencesnotesandfootnotesthatprovideexplanatorymaterial.Thesenotesandfootnotes,excludingthoseintablesandfigures,shallnotbeconsideredasrequirementsofthisspecification.1.7Unlesstheorderspecifiesthe“M”designation(SIunits),theproductshallbefurnishedtoinch-poundunits.1.8Thisstandarddoesnotpurporttoa...
