Designation:A192/A192M−02(Reapproved2012)StandardSpecificationforSeamlessCarbonSteelBoilerTubesforHigh-PressureService1ThisstandardisissuedunderthefixeddesignationA192/A192M;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheDepartmentofDefense.1.Scope1.1Thisspecification2coversminimum-wall-thickness,seamlesscarbonsteelboilerandsuperheatertubesforhigh-pressureservice.1.2Thetubingsizesandthicknessesusuallyfurnishedtothisspecificationare1⁄2in.to7in.[12.7to177.8mm]outsidediameterand0.085to1.000in.[2.2to25.4mm],inclusive,inminimumwallthickness.Tubinghavingotherdimensionsmaybefurnished,providedsuchtubescomplywithallotherrequirementsofthisspecification.1.3Mechanicalpropertyrequirementsdonotapplytotubingsmallerthan1⁄8in.[3.2mm]insidediameteror0.015in.[0.4mm]thickness.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),3.1.3Manufacture(hot-finishedorcold-finished),3.1.4Size(outsidediameterandminimumwallthickness),3.1.5Length(specificorrandom),3.1.6Optionalrequirements(Section8),3.1.7Testreportrequired(seesectiononCertificationofSpecificationA450...
