Designation:A529/A529M−14StandardSpecificationforHigh-StrengthCarbon-ManganeseSteelofStructuralQuality1ThisstandardisissuedunderthefixeddesignationA529/A529M;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheU.S.DepartmentofDefense.1.Scope*1.1Thisspecificationcoverscarbon-manganesesteelshapes,plates,andbarsofstructuralqualityforuseinriveted,bolted,orweldedconstructionofbuildingsandforgeneralstructuralpurposes.1.2Materialunderthisspecificationisavailableintwogrades:GradeYieldStrength,ksi[MPa]Thickness50[345]50[345]Platesto1in.[25mm]thickto15in.[380mm]wideBarsto31⁄2in.[90mm]Shapeswithflangeorlegthicknessto11⁄2in.[40mm]inclusive55[380]55[380]Platesto1in.[25mm]thickto15in.[380mm]wideBarsto3in.[75mm]Shapeswithflangeorlegthicknessto11⁄2in.[40mm]inclusive1.3Whenthesteelistobewelded,itispresupposedthataweldingproceduresuitableforthegradeofsteelandintendeduseorservicewillbeutilized.SeeAppendixX3ofSpecifica-tionA6/A6Mforinformationonweldability.1.4Thevaluesstatedineitherinch-poundunitsorSIunitsaretoberegardedasstandard.Withinthetext,theSIunitsareshowninbrackets.Thevaluesstatedineachsystemarenotexactequivalents;therefore,eachsystemmustbeusedinde-pendentlyoftheother.2.ReferencedDocuments2.1ASTMStandards:2A6/A6MSpecificationforGeneralRequirementsforRolledStructuralSteelBars,Plates,Shapes,andSheetPiling3.GeneralRequirementsforDelivery3.1Materialfurnishedunderthisspecificationshallcon-formtotherequirementsofthecurrenteditionofSpecificationA6/A6M,fortheorderedmaterial,unlessaconflictexistsinwhichcasethisspecificationshallprevail.4.MaterialsandManufacture4.1Thesteelshallbekilled,andsuchshallbeaffirmedinthetestreportbytheinclusionofastatementofkilledsteel,avalueof0.10%ormoreforsiliconcontent,oravalueof0.015%ormorefortotalalumi...