ASTM-A671-A671M-2010

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1、Designation:A671/A671M10StandardSpecificationforElectric-Fusion-WeldedSteelPipeforAtmosphericand1LowerTemperaturesThisstandardisissuedundertheÞxeddesignationA671/A671M;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinpa

2、renthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope*43normalizedandtempered,see5.3.3none8.31.1ThisspeciÞcation2coverselectric-fusion-weldedsteel50quenchedandtempered,see5.3.4nonenone51quenchedandtempered,see5.3.49nonepipe

3、withÞllermetaladded,fabricatedfrompressurevessel52quenchedandtempered,see5.3.498.3qualityplateofseveralanalysesandstrengthlevelsand53quenchedandtempered,see5.3.4none8.360normalizedandprecipitationheatnonenonesuitableforhigh-pressureserviceatatmosphericandlowertreatedtemperatures.Heattreatmentmayorma

4、ynotberequiredto61normalizedandprecipitationheat9noneattainthedesiredpropertiesortocomplywithapplicablecodetreated62normalizedandprecipitationheat98.3requirements.Supplementaryrequirementsareprovidedfortreatedusewhenadditionaltestingorexaminationisdesired.63normalizedandprecipitationheatnone8.31.2Th

5、especiÞcationnominallycoverspipe16in.[400treated70quenchedandprecipitationheatnonenonemm]inoutsidediameterorlargerandof1Ú4in.[6mm]walltreatedthicknessorgreater.Pipehavingotherdimensionsmaybe71quenchedandprecipitationheat9nonefurnishedprovideditcomplieswithallotherrequirementsoftreated72quenchedandpr

6、ecipitationheat98.3thisspeciÞcation.treated1.3Severalgradesandclassesofpipeareprovided.73quenchedandprecipitationheatnone8.31.3.1Gradedesignatesthetypeofplateusedaslistedin5.1.treated1.3.2ClassdesignatesthetypeofheattreatmentperformedNOTE1ÑSelectionofmaterialsshouldbemadewithattentiontoduringmanufac

7、tureofthepipe,whethertheweldisradio-temperatureofservice.Forsuchguidance,SpeciÞcationA20/A20Mmaygraphicallyexamined,andwhetherthepipehasbeenpressurebeconsulted.testedaslistedin1.3.3.1.4Thevaluesstated