Designation:A20/A20M−15StandardSpecificationforGeneralRequirementsforSteelPlatesforPressureVessels1ThisstandardisissuedunderthefixeddesignationA20/A20M;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheU.S.DepartmentofDefense.1.Scope*1.1Thisgeneralrequirementsspecification2coversagroupofcommonrequirementsthat,unlessotherwisespecifiedintheapplicableproductspecification,applytorolledsteelplatesforpressurevesselscoveredbyeachofthefollowingproductspecificationsissuedbyASTM:TitleofSpecificationASTMDesignationAPressureVesselPlates,AlloySteel,NickelA203/A203MPressureVesselPlates,AlloySteel,MolybdenumA204/A204MPressureVesselPlates,AlloySteel,Manganese-VanadiumA225/A225MStainlessChromiumSteel-CladPlateA263StainlessChromium-NickelSteel-CladPlateA264NickelandNickel-BaseAlloySteel-CladPlateA265PressureVesselPlates,CarbonSteel,Low-andIntermediate-TensileStrengthA285/A285MPressureVesselPlates,CarbonSteel,Manganese-SiliconA299/A299MPressureVesselPlates,AlloySteel,Manganese-MolybdenumandManganese-Molybdenum-NickelA302/A302MPressureVesselPlates,AlloySteel,9PercentNickelDouble-NormalizedandTemperedA353/A353MPressureVesselPlates,AlloySteel,Chromium-MolybdenumA387/A387MPressureVesselPlates,CarbonSteel,HighStrengthManganeseA455/A455MPressureVesselPlates,CarbonSteel,forIntermediate-andHigher-TemperatureServiceA515/A515MPressureVesselPlates,CarbonSteel,Moderate-andLower-TemperatureServiceA516/A516MPressureVesselPlates,AlloySteel,High-Strength,QuenchedandTemperedA517/A517MPressureVesselPlates,AlloySteel,QuenchedandTemperedManganese-MolybdenumandManganese-Molybdenum-NickelA533/A533MTitleofSpecificationASTMDesignationAPressureVesselPlates,Heat-Treated,Carbon-Manganese-SiliconSteelA537/A537MPressureVesselPlates,AlloySteel,QuenchedandTempe...
