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1、Designation:A213/A213M−15UsedinUSDOE-NEstandardsStandardSpeciÞcationforSeamlessFerriticandAusteniticAlloy-SteelBoiler,1Superheater,andHeat-ExchangerTubesThisstandardisissuedunderthefixeddesignationA213/A213M;thenumberimmediatelyfollowingthedesignationindicates
2、theyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheU.S.Dep
3、artmentofDefense.1.Scope*A262PracticesforDetectingSusceptibilitytoIntergranular2AttackinAusteniticStainlessSteels1.1Thisspecificationcoversseamlessferriticandauste-A941TerminologyRelatingtoSteel,StainlessSteel,Relatedniticsteelboiler,superheater,andheat-exchan
4、gertubes,des-Alloys,andFerroalloysignatedGradesT5,TP304,etc.ThesesteelsarelistedinTablesA1016/A1016MSpecificationforGeneralRequirementsfor1and2.FerriticAlloySteel,AusteniticAlloySteel,andStainless1.2Gradescontainingtheletter,H,intheirdesignation,SteelTubeshave
5、requirementsdifferentfromthoseofsimilargradesnotE112TestMethodsforDeterminingAverageGrainSizecontainingtheletter,H.Thesedifferentrequirementsprovide42.2AWSSpecificationshighercreep-rupturestrengththannormallyachievableinA5.5/A5.5MSpecificationforLow-AlloySteelE
6、lectrodessimilargradeswithoutthesedifferentrequirements.forShieldedMetalArcWelding1.3ThetubingsizesandthicknessesusuallyfurnishedtoA5.23/A5.23MSpecificationforLow-AlloySteelElec-thisspecificationare18in.[3.2mm]ininsidediameterto5in.trodesandFluxesforSubmergedAr
7、cWelding[127mm]inoutsidediameterand0.015to0.500in.[0.4toA5.28/A5.28MSpecificationforLow-AlloySteelElec-12.7mm],inclusive,inminimumwallthicknessor,ifspecifiedtrodesforGasShieldedArcWeldingintheorder,averagewallthickness.TubinghavingotherA5.29/A5.29MLow-AlloyStee
8、lElectrodesforFluxCoreddiametersmaybefurnished,providedsuchtubescomplywithArcWeldingallotherrequirementsofthisspecification.3.Terminology1.4ThevaluesstatedineitherSIunitsorinch-poundunitsa
