ASTM-A193-A193M-10a

Designation:A193/A193M–10aStandardSpecificationforAlloy-SteelandStainlessSteelBoltingforHighTemperatureorHighPressureServiceandOtherSpecialPurposeApplications1ThisstandardisissuedunderthefixeddesignationA193/A193M;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheDepartmentofDefense.1.Scope*1.1Thisspecification2coversalloyandstainlesssteelbolt-ingforpressurevessels,valves,flanges,andfittingsforhightemperatureorhighpressureservice,orotherspecialpurposeapplications.SeeSpecificationA962/A962Mforthedefinitionofbolting.Barsandwireshallbehot-wroughtandmaybefurtherprocessedbycenterlessgrindingorbycolddrawing.Austeniticstainlesssteelmaybecarbidesolutiontreatedorcarbidesolutiontreatedandstrain-hardened.Whenstrainhardenedausteniticsteelisordered,thepurchasershouldtakespecialcaretoensurethatAppendixX1isthoroughlyunder-stood.1.2Severalgradesarecovered,includingferriticsteelsandausteniticstainlesssteelsdesignatedB5,B8,andsoforth.Selectionwilldependupondesign,serviceconditions,me-chanicalproperties,andhightemperaturecharacteristics.1.3Thefollowingreferencedgeneralrequirementsarein-dispensableforapplicationofthisspecification:SpecificationA962/A962M.NOTE1—Thecommitteeformulatingthisspecificationhasincludedfifteensteeltypesthathavebeenratherextensivelyusedforthepresentpurpose.Othercompositionswillbeconsideredforinclusionbythecommitteefromtimetotimeastheneedbecomesapparent.NOTE2—Forgradesofalloy-steelboltingsuitableforuseatthelowerrangeofhightemperatureapplications,referenceshouldbemadetoSpecificationA354.NOTE3—Forgradesofalloy-steelboltingsuitableforuseinlowtemperatureapplications,referenceshouldbemadetoSpecificationA320/A320M.1.4NutsforusewithboltingarecoveredinSection14.1.5SupplementaryRequirementsareprovidedforuseattheoptionofthepurchaser.Thesupplementaryrequirementsshallapplyonlywhenspecifiedinthepurchaseorderorcontract.1.6Thisspecificationisexpressedinbothinch-poundunitsandinSIunits;however,unlessthepurchaseorderorcontractspecifiestheapplicableMspecificationdesignation(SIunits),theinch-poundunitsshallapply.1.7ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Withinthetext,theSIunitsareshowninbrackets.Thevaluesstatedineachsystemmaynotbeexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnon-conformancewiththestandard.2.ReferencedDocuments2.1ASTMStandards:3A153/A153MSpecificationforZincCoating(Hot-Dip)onIronandSteelHardwareA194/A194MSpecificationforCarbonandAlloySteelNutsforBoltsforHighPressureorHighTemperatureService,orBothA320/A320MSpecificationforAlloy-SteelandStainlessSteelBoltingforLow-TemperatureServiceA354SpecificationforQuenchedandTemperedAlloySteelBolts,Studs,andOtherExternallyThreadedFastenersA788/A788MSpecificationforSteelForgings,GeneralRe-quirementsA962/A962MSpecificationforCommonRequirementsforBoltingIntendedforUseatAnyTemperaturefromCryo-genictotheCreepRangeB633SpecificationforElectrodepositedCoatingsofZinconIronandSteel1ThisspecificationisunderthejurisdictionofASTMCommitteeA01onSteel,StainlessSteelandRelatedAlloysandisthedirectresponsibilityofSubcommitteeA01.22onSteelForgingsandWroughtFittingsforPipingApplicationsandBoltingMaterialsforPipingandSpecialPurposeApplications.CurrenteditionapprovedMay15,2010.PublishedJune2010.Originallyapprovedin1936.Lastpreviouseditionapprovedin2010asA193/A193M–10.DOI:10.1520/A0193_A0193M-10a.2ForASMEBoilerandPressureVesselCodeapplications,seerelatedSpecifi-cationSA-193inSectionIIofthatCode.3ForreferencedASTMstandards,visittheASTMwebsite,@astm.org.ForAnnualBookofASTMStandardsvolumeinformation,refertothestandard’sDocumentSummarypageontheASTMwebsite.1*ASummaryofChangessectionappearsattheendofthisstandard.Copyright(C)ASTMInternational.100BarrHarborDriveP.O.BoxC-700,WestConshohocken,Pennsylvania19428-2959,UnitedStatesCopyrightbyASTMInt'l(allrightsreserved);ThuJul2902:48:23EDT2010Downloaded/printedbySGSNorthAmericaInc.pursuanttoLicenseAgreement.Nofurtherreproductionsauthorized.B695SpecificationforCoatingsofZincMechanicallyDe-positedonIronandSteelB696SpecificationforCoatingsofCadmiumMechanicallyDepositedB766SpecificationforElectrodepositedCoatingsofCad-miumE18TestMethodsforRockwellHardnessofMetallicMa-terialsE21TestMethodsforElevatedTemperatureTensionTestsofMetallicMaterialsE112TestMethodsforDeterminingAverageGrainSizeE139TestMethodsforConductingCreep,Creep-Rupture,andStress-RuptureTestsofMetallicMaterialsE150RecommendedPracticeforConductingCreepandCreep-RuptureTensionTestsofMetallicMaterialsUnderConditionsofRapidHeatingandShortTimes4E151RecommendedPracticeforTensionTestsofMetallicMaterialsatElevatedTemperatureswithRapidHeatingandConventionalorRapidStrainRates4E292TestMethodsforConductingTime-for-RuptureNotchTensionTe