Designation:B234M−10StandardSpecificationforAluminumandAluminum-AlloyDrawnSeamlessTubesforCondensersandHeatExchangers(Metric)1ThisstandardisissuedunderthefixeddesignationB234M;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope*1.1Thisspecificationcoversaluminum-alloy(Note1)drawnseamlessroundtubeinstraightlengthsdesignatedasshownintheTable2,foruseinsurfacecondensers,evaporators,andheatexchangers.NOTE1—Throughoutthisspecificationuseofthetermalloyinthegeneralsenseincludesaluminumaswellasaluminumalloy.NOTE2—Fordrawnseamlesstubesusedingeneralapplications,seeSpecificationsB210andB210M;forextrudedtubesseeSpecificationsB221andB221M;forseamlesspipeandseamlessextrudedtubeusedinpressureapplications,seeSpecificationB241/B241M;andforstructuralpipeandtubeseeSpecificationB429/B429M.1.2AlloyandtemperdesignationsareinaccordancewithANSIH35.1M.TheequivalentUnifiedNumberingSystemalloydesignationsarethoseofTable1precededbyE215,forexample,A91060foraluminum1060,inaccordancewithPracticeE527.1.3Foracceptancecriteriaforinclusionofnewaluminumandaluminumalloysinthisspecification,seeA1.1.1.1.4ThisspecificationistheSIcompaniontoSpecificationB234.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1Thefollowingdocumentsoftheissueineffectondateofmaterialpurchaseformapartofthisspecificationtotheextentreferencedherein:2.2ASTMStandards:2,3B210SpecificationforAluminumandAluminum-AlloyDrawnSeamlessTubesB210MSpecificationforAluminumandAluminum-AlloyDrawnSeamlessTubes(Metric)B221SpecificationforAluminumandAluminum-AlloyEx-trudedBars,Rods,Wire,Profiles,andTubesB221MSpecificationfo...
