Designation:B447−12aStandardSpecificationforWeldedCopperTube1ThisstandardisissuedunderthefixeddesignationB447;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheDepartmentofDefense.1.Scope*1.1Thisspecificationestablishestherequirementsforweldedcoppertubewithalongitudinalseamfreeoffillermetalproducedfromsheetorstripofthefollowingcoppers:CopperUNSNos.TypeofCopperC10100Oxygen-freeelectronicC10200Oxygen-freeC10300Oxygen-free,extralowphosphorusC10800Oxygen-free,lowphosphorusC11000ElectrolytictoughpitchC12000Phosphorusdeoxidized,lowresidualphosphorusC12200Phosphorusdeoxidized,highresidualphosphorusC14200Phosphorusdeoxidized,arsenical1.2Unlessotherwisespecifiedinthecontractorpurchaseorder,productfurnishedofanylistedcopper,withtheexcep-tionofcopperC11000,shallbeconsideredacceptable.1.2.1CopperC11000weldedtubeshallnotbeusedinapplicationswherehydrogenembrittlementduringheatingisaconcern.1.3Units—Valuesstatedininch-poundunitsaretoberegardedasstandardexceptforgrainsize,whichisgiveninSIunits.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunits,whichareprovidedforinformationonlyandarenotconsideredstandard.1.4ThefollowinghazardcaveatpertainsonlytoSection13ofthisspecification:Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2B153TestMethodforExpansion(PinTest)ofCopperandCopper-AlloyPipeandTubingB170SpecificationforOxygen-FreeElectrolyticCopper—RefineryShapesB193TestMethodforResistivityofElectricalConductorMaterialsB577TestMethodsforDetectionofCuprousOxide(Hydro-genEmbrittlementSusceptibility)inC...
