Designation:A214/A214M−96(Reapproved2012)StandardSpecificationforElectric-Resistance-WeldedCarbonSteelHeat-ExchangerandCondenserTubes1ThisstandardisissuedunderthefixeddesignationA214/A214M;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheDepartmentofDefense.1.Scope1.1Thisspecification2coversminimum-wall-thickness,electric-resistance-welded,carbonsteeltubestobeusedforheatexchangers,condensers,andsimilarheat-transferappara-tus.1.2Thetubingsizesusuallyfurnishedtothisspecificationareto3in.[76.2mm]inoutsidediameter,inclusive.Tubinghavingotherdimensionsmaybefurnished,providedsuchtubescomplywithallotherrequirementsofthisspecification.1.3Mechanicalpropertyrequirementsdonotapplytotubingsmallerthan1⁄8in.[3.2mm]ininsidediameteror0.015in.[0.4mm]inthickness.1.4Thepurchasershallspecifyintheordertheoutsidediameterandminimumwallthickness.Theinsidediametershallnotbespecified.1.5Thevaluesstatedineitherinch-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(electric-resistance-weldedtubes),3.1.3Size(outsidediameterandminimumwallthickness),3.1.4Length(specificorrandom),3.1.5Optionalrequirements(Secti...