Designation:A210/A210M−02(Reapproved2012)StandardSpecificationforSeamlessMedium-CarbonSteelBoilerandSuperheaterTubes1ThisstandardisissuedunderthefixeddesignationA210/A210M;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thisspecification2coversminimum-wall-thickness,seamlessmedium-carbonsteel,boilertubesandboilerflues,includingsafeends(seeNote1),archandstaytubes,andsuperheatertubes.NOTE1—Thistypeisnotsuitableforsafeendingbyforgewelding.1.2Thetubingsizesandthicknessesusuallyfurnishedtothisspecificationare1⁄2in.to5in.[12.7to127mm]inoutsidediameterand0.035to0.500in.[0.9to12.7mm],inclusive,inminimumwallthickness.Tubinghavingotherdimensionsmaybefurnished,providedsuchtubescomplywithallotherrequirementsofthisspecification.1.3Mechanicalpropertyrequirementsdonotapplytotubingsmallerthan1⁄8in.[3.2mm]ininsidediameteror0.015in.[0.4mm]inthickness.1.4Thevaluesstatedineitherinch-poundunitsorSIunitsaretoberegardedseparatelyasstandard.Withinthetext,theSIunitsareshowninbrackets.Thevaluesstatedineachsystemarenotexactequivalents;therefore,eachsystemmustbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnonconformancewiththespecifi-cation.Theinch-poundunitsshallapplyunlessthe“M”designationofthisspecificationisspecifiedintheorder.2.ReferencedDocuments2.1ASTMStandards:3A450/A450MSpecificationforGeneralRequirementsforCarbonandLowAlloySteelTubes3.OrderingInformation3.1Ordersformaterialunderthisspecificationshouldincludethefollowing,asrequired,todescribethedesiredmaterialadequately:3.1.1Quantity(feet,metres,ornumberoflengths),3.1.2Nameofmaterial(seamlesstubes),3.1.3Grade,3.1.4Manufacture(hot-finishedorcold-finished),3.1.5Size(outsidediameterandminimumwallthickness),3.1.6Length(specificorrandom),3.1.7Optionalrequirements(Sections7and10),3.1.8Testre...
