Designation:A269/A269M−15aStandardSpecificationforSeamlessandWeldedAusteniticStainlessSteelTubingforGeneralService1ThisstandardisissuedunderthefixeddesignationA269/A269M;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheU.S.DepartmentofDefense.1.Scope*1.1Thisspecificationcoversgradesofnominal-wall-thickness,stainlesssteeltubingforgeneralcorrosion-resistingandlow-orhigh-temperatureservice,asdesignatedinTable1.1.2Thetubingsizesandthicknessesusuallyfurnishedtothisspecificationare1⁄4in.[6.4mm]ininsidediameterandlargerand0.020in.[0.51mm]innominalwall-thicknessandheavier.1.3Mechanicalpropertyrequirementsdonotapplytotubingsmallerthan1⁄8in.[3.2mm]ininsidediameteror0.015in.[0.38mm]inthickness.NOTE1—AdditionaltestingrequirementsmayapplyforuseinASMEB31.3applications.1.4Optionalsupplementaryrequirementsareprovidedand,whenoneormoreofthesearedesired,eachshallbesostatedintheorder.1.5ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Withinthetext,SIunitsareshowninbrackets.Thevaluesstatedineachsystemmaynotbeexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnon-conformancewiththestandard.Theinch-poundunitsshallapplyunlessthe“M”designationofthisspecificationisspecifiedintheorder.2.ReferencedDocuments2.1ASTMStandards:2A262PracticesforDetectingSusceptibilitytoIntergranularAttackinAusteniticStainlessSteelsA480/A480MSpecificationforGeneralRequirementsforFlat-RolledStainlessandHeat-ResistingSteelPlate,Sheet,andStripA632SpecificationforSeamlessandWeldedAusteniticStainlessSteelTubing(Small-Diameter)forGeneralSer-viceA1016/A1016MSpecificationforGeneralRequirementsforFerriticAlloySteel,AusteniticAlloySteel,andStainlessSteelTubesE527Practi...
