Designation:A216/A216M−16EndorsedbyManufacturersStandardizationSocietyoftheValveandFittingsIndustryEndorsedbyAmericanFoundrymen’sSocietyUsedinUSDOE-NEStandardsStandardSpecificationforSteelCastings,Carbon,SuitableforFusionWelding,forHigh-TemperatureService1ThisstandardisissuedunderthefixeddesignationA216/A216M;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheU.S.DepartmentofDefense.1.Scope*1.1Thisspecification2coverscarbonsteelcastingsforvalves,flanges,fittings,orotherpressure-containingpartsforhigh-temperatureserviceandofqualitysuitableforassemblywithothercastingsorwrought-steelpartsbyfusionwelding.1.2Threegrades,WCA,WCB,andWCC,arecoveredinthisspecification.Selectionwilldependupondesignandserviceconditions,mechanicalproperties,andthehightem-peraturecharacteristics.1.3ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Thevaluesstatedineachsystemmaynotbeexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnon-conformancewiththestandard.2.ReferencedDocuments2.1ASTMStandards:3A488/A488MPracticeforSteelCastings,Welding,Qualifi-cationsofProceduresandPersonnelA703/A703MSpecificationforSteelCastings,GeneralRequirements,forPressure-ContainingPartsA985/A985MSpecificationforSteelInvestmentCastingsGeneralRequirements,forPressure-ContainingParts2.2Manufacturers’StandardizationSocietyoftheValveandFittingsIndustryStandard:4SP55SteelCastingsforValve,Flanges,andFittings,andOtherComponents(VisualMethod)3.GeneralConditionsforDelivery3.1Exceptforinvestmentcastings,castingsfurnishedtothisspecificationshallconformtotherequirementsofSpeci-ficationA703/A703M,includinganysupplementaryrequire-mentsthatareindicatedinthepurchaseorder.Failuretoc...