Designation:A36/A36M−19StandardSpecificationforCarbonStructuralSteel1ThisstandardisissuedunderthefixeddesignationA36/A36M;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheU.S.DepartmentofDefense.1.Scope*1.1Thisspecification2coverscarbonsteelshapes,plates,andbarsofstructuralqualityforuseinriveted,bolted,orweldedconstructionofbridgesandbuildings,andforgeneralstructuralpurposes.1.2Supplementaryrequirementsareprovidedforusewhereadditionaltestingoradditionalrestrictionsarerequiredbythepurchaser.Suchrequirementsapplyonlywhenspecifiedinthepurchaseorder.1.3Whenthesteelistobewelded,aweldingproceduresuitableforthegradeofsteelandintendeduseorserviceistobeutilized.SeeAppendixX3ofSpecificationA6/A6Mforinformationonweldability.1.4Thetextofthisspecificationcontainsnotesorfootnotes,orboth,thatprovideexplanatorymaterial.Suchnotesandfootnotes,excludingthoseintablesandfigures,donotcontainanymandatoryrequirements.1.5Forstructuralproductsproducedfromcoilandfur-nishedwithoutheattreatmentorwithstressrelievingonly,theadditionalrequirements,includingadditionaltestingrequire-mentsandthereportingofadditionaltestresults,ofSpecifi-cationA6/A6Mapply.1.6Thevaluesstatedineitherinch-poundunitsorSIunitsaretoberegardedseparatelyasstandard.Withinthetext,theSIunitsareshowninbrackets.Thevaluesstatedineachsystemarenotexactequivalents;therefore,eachsystemistobeusedindependentlyoftheother,withoutcombiningvaluesinanyway.1.7Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:3A6/A6MSpecific...
