Designation:A703/A703M−17StandardSpecificationforSteelCastings,GeneralRequirements,forPressure-ContainingParts1ThisstandardisissuedunderthefixeddesignationA703/A703M;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheU.S.DepartmentofDefense.1.Scope*1.1Thisspecification2coversagroupofcommonrequire-mentsthat,unlessotherwisespecifiedinanindividualspecification,shallapplytosteelcastingsforpressure-containingpartsundereachofthefollowingASTMspecifica-tions:TitleofSpecificationASTMDesignationSteelCastings,Carbon,SuitableforFusionWelding,A216/A216MforHigh-TemperatureServiceSteelCastings,MartensiticStainlessandAlloy,forA217/A217MPressure-ContainingParts,SuitableforHigh-TemperatureServiceCastings,Austenitic,Austenitic-Ferritic(Duplex),A351/A351MPressure-ContainingPartsSteelCastings,FerriticandMartensitic,forPressure-A352/A352MContainingParts,SuitableforLow-TemperatureServiceSteelCastings,Alloy,SpeciallyHeat-Treated,forA389/A389MPressure-ContainingParts,SuitableforHigh-TemperatureServiceSteelCastingsSuitableforPressureServiceA487/A487MCastings,Iron-Nickel-ChromiumandNickelA990/A990MAlloys,SpeciallyControlledforPressureRetainingPartsforCorrosiveServiceCastings,Austenitic-Ferritic(Duplex)A995/A995MStainlessSteel,forPressure-ContainingParts1.2Thisspecificationalsocoversagroupofsupplementaryrequirementswhichmaybeappliedtotheabovespecificationsasindicatedtherein.Theseareprovidedforusewhenaddi-tionaltestingorinspectionisdesiredandapplyonlywhenspecifiedindividuallybythepurchaserintheorder.1.3Incaseofconflictbetweentherequirementsoftheindividualspecificationandthisgeneralspecification,theformershallprevail.1.4ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Thevaluesstatedineachsystemmaynotbeexacte...
