Designation:A264−12StandardSpecificationforStainlessChromium-NickelSteel-CladPlate1ThisstandardisissuedunderthefixeddesignationA264;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheU.S.DepartmentofDefense.1.Scope*1.1Thisspecification2coversplateofacarbonsteelorlow-alloysteelbasetowhichisintegrallyandcontinuouslybondedononeorbothsidesalayerofstainlesschromium-nickelsteel.Thematerialisgenerallyintendedforpressurevesseluse.1.2Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.2.ReferencedDocuments2.1ASTMStandards:3A6/A6MSpecificationforGeneralRequirementsforRolledStructuralSteelBars,Plates,Shapes,andSheetPilingA20/A20MSpecificationforGeneralRequirementsforSteelPlatesforPressureVesselsA240/A240MSpecificationforChromiumandChromium-NickelStainlessSteelPlate,Sheet,andStripforPressureVesselsandforGeneralApplicationsA370TestMethodsandDefinitionsforMechanicalTestingofSteelProductsA480/A480MSpecificationforGeneralRequirementsforFlat-RolledStainlessandHeat-ResistingSteelPlate,Sheet,andStripA578/A578MSpecificationforStraight-BeamUltrasonicExaminationofRolledSteelPlatesforSpecialApplica-tionsA751TestMethods,Practices,andTerminologyforChemi-calAnalysisofSteelProducts2.2OtherStandards:ASMEBoilerandPressureVesselCode,SectionIX43.Terminology3.1DefinitionsofTermsSpecifictoThisStandard:3.1.1Thismaterialisconsideredassingle-cladordouble-cladcorrosion-resistingchromium-nickelsteelplate,depend-ingonwhetheroneorbothsidesarecovered.3.1.2alloycladding—thestainlesschromium-nickelsteelcomponentofthecompositeplate.3.1.3basemetal(backingsteel)—componenttowhichthealloycladdingisapplied,usuallythegreaterpercentag...