A240-A240M-15a

Designation:A240/A240M−15aStandardSpecificationforChromiumandChromium-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/FerriticStainlessSteelsE112TestMethodsforDeterminingAverageGrainSizeE527PracticeforNumberingMetalsandAlloysintheUnifiedNumberingSystem(UNS)2.2SAEStandard:4J1086PracticeforNumberingMetalsandAlloys(UNS)3.GeneralRequirements3.1Thefollowingrequirementsforordersformaterialfurnishedunderthisspecificationshallconformtotheappli-cablerequirementsofthecurrenteditionofSpecificationA480/A480M.3.1.1Definitions;3.1.2Generalrequirementsfordelivery;3.1.3Orderinginformation;3.1.4Process;3.1.5Specialtests;3.1.6Heattreatment;3.1.7Dimensionsandpermissiblevariations;3.1.8Workmanship,finishandappearance;3.1.9Numberoftests/testmethods;3.1.10Specimenpreparation;3.1.11Retreatment;3.1.12Inspection;3.1.13Rejectionandrehearing;3.1.14Materialtestreport;3.1.15Certification;and3.1.16Packaging,marking,andloading.4.ChemicalComposition4.1ThesteelshallconformtotherequirementsastochemicalcompositionspecifiedinTable1andshallconformtoapplicablerequirementsspecifiedinSpecificationA480/A480M.1ThisspecificationisunderthejurisdictionofASTMCommitteeA01onSteel,StainlessSteelandRelatedAlloysandisthedirectresponsibilityofSubcommitteeA01.17onFlat-RolledandWroughtStainlessSteel.CurrenteditionapprovedMarch1,2015.PublishedMarch2015.Originallyapprovedin1940.Lastpreviouseditionapprovedin2015asA240/A240M–15.DOI:10.1520/A0240_A0240M-15A.2ForASMEBoilerandPressureVesselCodeapplicationsseerelatedSpecifi-cationSA-240inSectionIIofthatCode.3ForreferencedASTMstandards,visittheASTMwebsite,@astm.org.ForAnnualBookofASTMStandardsvolumeinformation,refertothestandard’sDocumentSummarypageontheASTMwebsite.4AvailablefromSocietyofAutomotiveEngineers(SAE),400CommonwealthDr.,Warrendale,PA15096-0001,*ASummaryofChangessectionappearsattheendofthisstandardCopyright©ASTMInternational,100BarrHarborDrive,POBoxC700,WestConshohocken,PA19428-2959.UnitedStates1TABLE1ChemicalCompositionRequirements,%AUNSDesignationBTypeCCarbonDManganesePhos-phorusSulfurSiliconChromiumNickelMolybdenumNitrogenCopperOtherElementsE,FAustenitic(Chromium-Nickel)(Chromium-Manganese-Nickel)N08020...0.072.000.0450.0351.0019.0–21.032.0–38.02.00–3.00...3.00–4.00Cb8×Cmin,1.00maxN08367...0.0302.000.0400.0301.0020.0–22.023.5–25.56.0–7.00.18–0.250.75...N08700...0.042.000.0400.0301.0019.0–23.024.0–26.04.3–5.0...0.50Cb8×Cmin0.40maxN08800800G0.101.500.0450.0151.0019.0–23.030.0–35.0......0.75FeH39.5minAl0.15–0.60Ti0.15–0.60N08810800HG0.05–0.101.500.0450.0151.0019.0–23.030.0–35.0......0.75FeH39.5minAl0.15–0.60Ti0.15–0.60N08811...0.06–0.101.500.0400.0151.0019.0–23.030.0–35.0......0.75FeH39.5minTiI0.25–0.60AlI0.25–0.60N08904904LG0.0202.000.0450.0351.0019.0–23.023.0–28.04.00–5.000.101.00–2.00...N08925...0.0201.000.0450.0300.5019.0–21.024.0–26.06.00–7.000.10–0.200.80–1.50...N08926...0.0202.000.0300.0100.5019.0–21.024.0–26.06.00–7.000.15–0.250.50–1.50...S201002010.155.50–7.500.0600.0301.0016.0–18.03.5–5.5...0.25......S20103...0.035.50–7.500.0450.0300.7516.0–18.03.5–5.5...0.25......S20153...0.036.40–7.500.0450.0150.7516.0–17.54.0–5.0...0.10–0.251.00...S20161...0.154.00–6.000.0400.0403.00–4.0015.0–18.04.0–6.0...0.08–0.20......S202002020.157.50–10.000.0600.0301.0017.0–19.04.0–6.0...0.25......S20400...0.0307.00–9.000.0400.0301.0015.0–17.01.50–3.00...0.15–0.30......S20