Designation:A506−16StandardSpecificationforAlloyandStructuralAlloySteel,SheetandStrip,Hot-RolledandCold-Rolled1ThisstandardisissuedunderthefixeddesignationA506;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheU.S.DepartmentofDefense.1.Scope*1.1Thisspecificationcovershot-rolledandcold-rolledalloyandstructuralalloy-steelsheetandstrip.Alloysteelisfurnishedtochemicalcompositionrequirementsandisin-tendedprimarilyforgeneralormiscellaneoususewherebendingandmoderateformingisarequirement.Structuralalloysteelisfurnishedtochemicalcompositionrequirementsandtospecificmechanicalpropertyrequirementswhichmayincludetensiontests,hardnesstests,orothercommonlyacceptedmechanicaltests.1.2Ifmaterialofahigherdegreeofuniformityofinternalsoundnessandfreedomfromsurfaceimperfectionsisrequired,referenceshouldbemadetoSpecificationA507.1.3Alloyandstructuralalloy-steelsheetandstriparenotproducedtointernalcleanlinessrequirements.Normallysur-faceimperfectionsarenotobjectionable,andagoodfinishisnotaprimerequirement.1.4Theformabilityofstructuralalloysteeldecreaseswithincreasingyieldstrengthorhardness.Therefore,productde-signinrelationtothemechanicalpropertiesofthegradeusedmustbeconsidered.1.5Thematerialcoveredbythisspecificationmaybefurnishedinseveralconditions:heattreatments,surfaceconditions,andedges,asspecifiedherein,incoilsorcutlengths.1.6Thevaluesstatedininch-poundunitsaretoberegardedasthestandard.SIunitsareprovidedforinformationonly.2.ReferencedDocuments2.1ASTMStandards:2A505SpecificationforSteel,SheetandStrip,Alloy,Hot-RolledandCold-Rolled,GeneralRequirementsforA507SpecificationforDrawingAlloySteel,SheetandStrip,Hot-RolledandCold-Rolled3.Terminology3.1DefinitionsofTermsSpecifictoThisStandard:3.1.1alloysteel—alloy-steelsheetandstripfurnish...
