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1、Designation:A213/A213M−13UsedinUSDOE-NEstandardsStandardSpeciÞcationforSeamlessFerriticandAusteniticAlloy-SteelBoiler,1Superheater,andHeat-ExchangerTubesThisstandardisissuedunderthefixeddesignationA213/A213M;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecas
2、eofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheDepartmentofDefense.1.Scope*A262PracticesforDetectingSusceptibilitytoIntergranu
3、lar2AttackinAusteniticStainlessSteels1.1Thisspecificationcoversseamlessferriticandauste-A941TerminologyRelatingtoSteel,StainlessSteel,Relatedniticsteelboiler,superheater,andheat-exchangertubes,des-Alloys,andFerroalloysignatedGradesT5,TP304,etc.ThesesteelsarelistedinTablesA1016/A1016MSpecification
4、forGeneralRequirementsfor1and2.FerriticAlloySteel,AusteniticAlloySteel,andStainless1.2Gradescontainingtheletter,H,intheirdesignation,SteelTubeshaverequirementsdifferentfromthoseofsimilargradesnotE112TestMethodsforDeterminingAverageGrainSizecontainingtheletter,H.Thesedifferentrequirementsprovide
5、42.2AWSSpecificationshighercreep-rupturestrengththannormallyachievableinA5.5/A5.5MSpecificationforLow-AlloySteelElectrodessimilargradeswithoutthesedifferentrequirements.forShieldedMetalArcWelding1.3ThetubingsizesandthicknessesusuallyfurnishedtoA5.23/A5.23MSpecificationforLow-AlloySteelElec-thisspe
6、cificationare18in.[3.2mm]ininsidediameterto5in.trodesandFluxesforSubmergedArcWelding[127mm]inoutsidediameterand0.015to0.500in.[0.4toA5.28/A5.28MSpecificationforLow-AlloySteelElec-12.7mm],inclusive,inminimumwallthicknessor,ifspecifiedtrodesforGasShieldedArcWeldingintheorder,averagewallthickness.Tub
7、inghavingotherA5.29/A5.29MLow-AlloySteelElectrodesforFluxCoreddiametersmaybefurnished,providedsuchtubescomplywithArcWeldingallotherrequirementsofthisspecification.3.Terminology1.4ThevaluesstatedineitherSIunitsorinch-poundunitsareto
