Designation:A1031/A1031M−12StandardSpecificationforSteel,SheetandStrip,Heavy-ThicknessCoils,Alloy,DrawingSteelandStructuralSteel,Hot-Rolled1ThisstandardisissuedunderthefixeddesignationA1031/A1031M;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope*1.1Thisspecificationcovershot-rolled,heavythicknesscoilsbeyondthesizelimitsofSpecificationsA506andA507.1.2Theproductisavailableinthreedesignations:AlloySteel,DrawingSteel,andStructuralAlloySteel.1.3Alloysteelisfurnishedtochemicalcompositionre-quirementsandisintendedprimarilyforgeneralormiscella-neoususewherebendingandmoderateformingisarequire-ment.1.4Drawingsteelisproducedprincipallyforapplicationsinvolvingseverecoldplasticdeformationsuchasdeepdrawnorseverelyformedparts.1.4.1Drawingsteelmaybefurnishedinseveralconditions,heattreatments,surfacefinishes,andedges,asspecifiedherein.1.5Structuralsteelisfurnishedtochemicalcompositionrequirementsandtospecificmechanicalpropertyrequirementswhichmayincludetensiontests,hardnesstests,orothercommonlyacceptedmechanicaltests.1.5.1Theformabilityofstructuralsteeldecreaseswithincreasingyieldstrengthorhardness.Therefore,productde-signinrelationtothemechanicalpropertiesofthegradeusedmustbeconsidered.1.6Thismaterialisavailableonlyincoilsdescribedasfollows:ProductSizeLimits,CoilsOnlyWidth,in.[mm]Thickness,in.[mm]StripOver8to12,incl0.230to1.000,incl[Over200to300][Over6.0to25]SheetOver120.230to1.000,incl[Over300][from6.0through25]1.7Sheetandstripincoilsofsizesnotedin1.6arecoveredbythisspecificationonlywiththefollowingprovisions:1.7.1ThematerialisnottobeconvertedintosteelplatesforstructuralorpressurevesseluseunlesstestedincompleteaccordancewiththeappropriatesectionsofSpecificationsA6/A6M(platesprovidedfromcoils)orA20/A20M(platesproducedfromcoils).Aplateproducedinthismannerisnolongergo...
