ASTMA671-A671M-2016

Designation:A671/A671M−16aStandardSpecificationforElectric-Fusion-WeldedSteelPipeforAtmosphericandLowerTemperatures1ThisstandardisissuedunderthefixeddesignationA671/A671M;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope*1.1Thisspecification2coverselectric-fusion-weldedsteelpipewithfillermetaladded,fabricatedfrompressurevesselqualityplateofseveralanalysesandstrengthlevelsandsuitableforhigh-pressureserviceatatmosphericandlowertemperatures.Heattreatmentmayormaynotberequiredtoattainthedesiredpropertiesortocomplywithapplicablecoderequirements.Supplementaryrequirementsareprovidedforusewhenadditionaltestingorexaminationisdesired.1.2Thespecificationnominallycoverspipe16in.[400mm]inoutsidediameterorlargerandof1⁄4in.[6mm]wallthicknessorgreater.Pipehavingotherdimensionsmaybefurnishedprovideditcomplieswithallotherrequirementsofthisspecification.1.3Severalgradesandclassesofpipeareprovided.1.3.1Gradedesignatesthetypeofplateusedaslistedin5.1.1.3.2Classdesignatesthetypeofheattreatmentperformedduringmanufactureofthepipe,whethertheweldisradio-graphicallyexamined,andwhetherthepipehasbeenpressuretestedaslistedin1.3.3.1.3.3Classdesignationsareasfollows(Note1):ClassHeatTreatmentonPipeRadiography,seeSectionPressureTest,see:10nonenonenone11none9none12none98.313nonenone8.320stressrelieved,see5.3.1nonenone21stressrelieved,see5.3.19none22stressrelieved,see5.3.198.323stressrelieved,see5.3.1none8.330normalized,see5.3.2nonenone31normalized,see5.3.29none32normalized,see5.3.298.333normalized,see5.3.2none8.340normalizedandtempered,see5.3.3nonenone41normalizedandtempered,see5.3.39none42normalizedandtempered,see5.3.398.343normalizedandtempered,see5.3.3none8.350quenchedandtempered,see5.3.4nonenone51quenchedandtempered,see5.3.49none52quenchedandtempered,see5.3.498.353quenchedandtempered,see5.3.4none8.370quenchedandprecipitationheattreatednonenone71quenchedandprecipitationheattreated9none72quenchedandprecipitationheattreated98.373quenchedandprecipitationheattreatednone8.3NOTE1—Selectionofmaterialsshouldbemadewithattentiontotemperatureofservice.Forsuchguidance,SpecificationA20/A20Mmaybeconsulted.1.4ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Withinthetext,theSIunitsareshowninbrackets.Thevaluesstatedineachsystemmaynotbeexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnon-conformancewiththestandard.Theinch-poundunitsshallapplyunlessthe“M”designationofthisspecificationisspecifiedintheorder.2.ReferencedDocuments2.1ASTMStandards:3A20/A20MSpecificationforGeneralRequirementsforSteelPlatesforPressureVesselsA370TestMethodsandDefinitionsforMechanicalTestingofSteelProductsA435/A435MSpecificationforStraight-BeamUltrasonicExaminationofSteelPlatesA530/A530MSpecificationforGeneralRequirementsforSpecializedCarbonandAlloySteelPipeA577/A577MSpecificationforUltrasonicAngle-BeamEx-aminationofSteelPlatesA578/A578MSpecificationforStraight-BeamUltrasonicExaminationofRolledSteelPlatesforSpecialApplica-tions1ThisspecificationisunderthejurisdictionofASTMCommitteeA01onSteel,StainlessSteelandRelatedAlloysandisthedirectresponsibilityofSubcommitteeA01.09onCarbonSteelTubularProducts.CurrenteditionapprovedDec.1,2016.PublishedDecember2016.Originallyapprovedin1972.Lastpreviouseditionapprovedin2016asA671–16.DOI:10.1520/A0671_A0671M-16A.2ForASMEBoilerandPressureVesselCodeapplicationsseerelatedSpecifi-cationSA-671inSectionIIofthatCode.3ForreferencedASTMstandards,visittheASTMwebsite,@astm.org.ForAnnualBookofASTMStandardsvolumeinformation,refertothestandard’sDocumentSummarypageontheASTMwebsite.*ASummaryofChangessectionappearsattheendofthisstandardCopyright©ASTMInternational,100BarrHarborDrive,POBoxC700,WestConshohocken,PA19428-2959.UnitedStates1E110TestMethodforRockwellandBrinellHardnessofMetallicMaterialsbyPortableHardnessTestersE165/E165MPracticeforLiquidPenetrantExaminationforGeneralIndustryE709GuideforMagneticParticleTesting2.2PlateSteels:A203/A203MSpecificationforPressureVesselPlates,AlloySteel,NickelA285/A285MSpecificationforPressureVesselPlates,Car-bonSteel,Low-andIntermediate-TensileStrengthA299/A299MSpecificationforPressureVesselPlates,Car-bonSteel,Manganese-SiliconA353/A353MSpecificationforPressureVesselPlates,AlloySteel,Double-NormalizedandTempered9%NickelA515/A515MSpecificationforPressureVesselPlates,Car-bonSteel,forIntermediate-andHigher-TemperatureSer-viceA516/A516MSpecificationforPressureVesselPlates,Car-bonSteel,forModerate-andLower-TemperatureServiceA517/A517MSpecificationforPressureVesselPlates,AlloySteel,High-Strength,QuenchedandTemperedA537/A537MSpecificationforPressureVesselPlates,Heat-Treated,Carbon-Manganese-SiliconSteelA553/A553MSpecificationforPressureVesselPlates,AlloySteel,QuenchedandTempered7,8,and9%NickelA736/A736MSpe