Designation:A217/A217M–02EndorsedbyManufacturersStandardizationSocietyoftheValveandFittingsIndustryEndorsedbyAmericanFoundrymen’sSocietyUsedinUSDOE-NEStandardsAnAmericanNationalStandardStandardSpecificationforSteelCastings,MartensiticStainlessandAlloy,forPressure-ContainingParts,SuitableforHigh-TemperatureService1ThisstandardisissuedunderthefixeddesignationA217/A217M;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(e)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheDepartmentofDefense.1.Scope1.1Thisspecification2coversmartensiticstainlesssteelandalloysteelcastingsforvalves,flanges,fittings,andotherpressure-containingparts(Note1)intendedprimarilyforhigh-temperatureandcorrosiveservice(Note2).1.2Onegradeofmartensiticstainlesssteelandninegradesofferriticalloysteelarecovered.Selectionwilldependondesignandserviceconditions,mechanicalproperties,andthehigh-temperatureandcorrosion-resistantcharacteristics(Note3).NOTE1—Carbonsteelcastingsforpressure-containingpartsarecov-eredbySpecificationA216/A216M.Lowalloyquench-and-temperedgradesequivalenttoSpecificationA217/A217MgradesmaybefoundinbothSpecificationsA352/A352MandA487/A487M.NOTE2—Thegradescoveredbythisspecificationrepresentmaterialsthataregenerallysuitableforassemblywithothercastingsorwroughtsteelpartsbyfusionwelding.Itisnotintendedtoimplythatthesegradespossessequaldegreesofweldability;therefore,itistheresponsibilityofthepurchasertoestablishforhimselfasuitableweldingtechnique.Sincethesegradespossessvaryingdegreesofsuitabilityforhigh-temperatureandcorrosion-resistantservice,itisalsotheresponsibilityofthepurchasertodeterminewhichgradeshallbefurnished,dueconsiderationbeinggiventotherequirementsoftheapplicableconstructioncodes.NOTE3—Thecommitteeformulatingthisspecificationhasincludedninegradesofmaterialsthatareconsidere...
