Designation:A1012−10(Reapproved2015)StandardSpecificationforSeamlessandWeldedFerritic,AusteniticandDuplexAlloySteelCondenserandHeatExchangerTubesWithIntegralFins1ThisstandardisissuedunderthefixeddesignationA1012;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thisspecificationdescribesseamlessandweldedferritic,austeniticandduplexalloysteeltubingonwhichtheexternalorinternalsurface,orboth,hasbeenmodifiedbyacoldformingprocesstoproduceanintegralenhancedsurfaceforimprovedheattransfer.Thetubesareusedinsurfacecondensers,evaporators,heatexchangersandsimilarheattransferapparatusinunfinnedenddiametersuptoandinclud-ing1in.(25.4mm).Boilertubesareexcluded.1.2Thevaluesstatedininch-poundunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.3Thefollowingprecautionarystatementpertainstothetestmethodportiononly,Section12,ofthisspecification:Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimita-tionspriortouse.2.ReferencedDocuments2.1ASTMStandards:2A213/A213MSpecificationforSeamlessFerriticandAus-teniticAlloy-SteelBoiler,Superheater,andHeat-ExchangerTubesA249/A249MSpecificationforWeldedAusteniticSteelBoiler,Superheater,Heat-Exchanger,andCondenserTubesA268/A268MSpecificationforSeamlessandWeldedFer-riticandMartensiticStainlessSteelTubingforGeneralServiceA269SpecificationforSeamlessandWeldedAusteniticStainlessSteelTubingforGeneralServiceA688/A688MSpecificationforSeamlessandWeldedAus-teniticStainlessSteelFeedwaterHeaterTubesA789/A789MSpecificationforSeamlessandWeldedFerritic/AusteniticStainlessSteelTubingforGeneralServiceA803/A803MSpecificationforSeamlessandWeldedFer-riticSt...
