Designation:A240/A240M−16aStandardSpecificationforChromiumandChromium-NickelStainlessSteelPlate,Sheet,andStripforPressureVesselsandforGeneralApplications1ThisstandardisissuedunderthefixeddesignationA240/A240M;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheU.S.DepartmentofDefense.1.Scope*1.1Thisspecification2coverschromium,chromium-nickel,andchromium-manganese-nickelstainlesssteelplate,sheet,andstripforpressurevesselsandforgeneralapplicationsincludingarchitectural,building,construction,andaestheticapplications.1.2ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Thevaluesstatedineachsystemmaynotbeexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnon-conformancewiththestandard.1.3Thisspecificationisexpressedinbothinch-poundandSIunits.However,unlesstheorderspecifiestheapplicable“M”specificationdesignation(SIunits),thematerialshallbefurnishedininch-poundunits.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:3A370TestMethodsandDefinitionsforMechanicalTestingofSteelProductsA480/A480MSpecificationforGeneralRequirementsforFlat-RolledStainlessandHeat-ResistingSteelPlate,Sheet,andStripA923TestMethodsforDetectingDetrimentalIntermetallicPhaseinDuplexAustenitic/FerriticStainlessSteelsE112TestMethodsforDeterminingAverageGrainSizeE140HardnessConversionTablesforMetalsRelationshipAmongBrinellHardness,VickersHardness,RockwellHardness,SuperficialHardness,KnoopHardness,Sclero-scopeHardness,andLeebHardnes...
