Designation:A935/A935M–97aStandardSpecificationforSteel,SheetandStrip,HeavyThicknessCoils,HighStrength,Low-Alloy,ColumbiumorVanadium,orBoth,Hot-Rolled1ThisstandardisissuedunderthefixeddesignationA935/A935M;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(e)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thisspecificationcovershot-rolled,heavy-thickness,high-strength,low-alloycolumbium,orvanadiumhot-rolledsheetandstrip,orcombinationsthereof,incoilsbeyondthesizelimitsofSpecificationA607.Thismaterialisintendedformiscellaneousapplicationswheregreaterstrengthandsavingsinweightareimportant.Thematerialisavailableastwoclasses.Theyaresimilarinstrengthlevel,exceptthatClass2offersimprovedweldabilityandmoreformabilitythanClass1.Atmosphericcorrosionresistanceofthesesteelsisequivalenttoplaincarbonsteels.Withcopperspecified,theatmosphericcorrosionresistanceissomewhatenhanced.NOTE1—Formethodsofestablishingtheatmosphericcorrosionresis-tanceoflow-alloysteelsseeGuideG101.1.1.1Thismaterialisavailableonlyincoilsdescribedasfollows:SizeLimits,CoilsOnlyProductWidth,in.(mm)Thickness,in.(mm)StripOver8to12incl(Over200to300)0.230to1.000incl(Over6.0to25)SheetOver12to48incl(Over300to1200)0.230to1.000incl(Over6.0to25)Over48(Over1200)0.180to1.000incl(Over4.5to25)1.2Sheetandstripincoilsofsizesnotedin1.1canbeincludedinthisspecificationonlywiththefollowing:1.2.1ThematerialisnottobeconvertedintosteelplatesforstructuralorpressurevesseluseunlesstestedincompleteaccordancewiththeappropriatesectionofSpecificationsA6/A6M(platesprovidedfromcoils)orA20/A20M(platesproducedfromcoils).1.2.2ThisspecificationisnotapplicabletothesteelscoveredbySpecificationA635/A635M.1.2.3ThedimensionaltolerancesofSpecificationA635/A635Mareapplicabletomaterialproducedtothisspecifica-tion.1.2.4Thematerialistobefeddirectlyfromcoilsintoablankingpress,drawingorformin...