Designation:A715–98StandardSpecificationforSteelSheetandStrip,High-Strength,Low-Alloy,Hot-Rolled,andSteelSheet,Cold-Rolled,High-Strength,Low-Alloy,withImprovedFormability1ThisstandardisissuedunderthefixeddesignationA715;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(e)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheDepartmentofDefense.1.Scope1.1Thisspecificationcovershigh-strength,low-alloy,hot-rolledsteelsheetandstripandcold-rolledsheethavingimprovedformabilitywhencomparedwithsteelscoveredbySpecificationsA606andA607.Theproductisfurnishedaseithercutlengthsorcoilsandisavailableinfour-strengthlevels,Grades50,60,70,and80(correspondingtominimumyieldstrength(seeTable1)).Thesteeliskilled,madetoafinegrainpractice,andincludesmicroalloyingelementssuchascolumbium,titanium,vanadium,zirconium,etc.Thesteelmaybetreatedtoachieveinclusioncontrol.Theproductisintendedforstructuralandmiscellaneousapplicationswherehigherstrength,savingsinweight,improvedformability,andweld-abilityareimportant.1.2Thevaluesstatedininch-poundunitsaretoberegardedasthestandard.2.ReferencedDocuments2.1ASTMStandards:A568/A568MSpecificationforSteel,Sheet,Carbon,andHigh-Strength,Low-Alloy,Hot-RolledandCold-Rolled,GeneralRequirementsfor2A606SpecificationforSteel,SheetandStrip,High-Strength,Low-Alloy,Hot-RolledandCold-Rolled,withImprovedAtmosphericCorrosionResistance2A607SpecificationforSteel,SheetandStrip,High-Strength,Low-Alloy,ColumbiumorVanadium,orBoth,Hot-RolledandCold-Rolled2A749/A749MSpecificationforSteel,Strip,CarbonandHigh-Strength,Low-Alloy,Hot-Rolled,GeneralRequire-mentsfor23.OrderingInformation3.1Ordersformaterialunderthisspecificationshallincludethefollowinginformation,asrequired,todescribeadequatelythedesiredmaterial:3.1.1ASTMdesignationnumberandyearofissue,3.1.2Grade(seeTable2),3.1.3Nameofmat...
