Designation:B42−15aStandardSpecificationforSeamlessCopperPipe,StandardSizes1ThisstandardisissuedunderthefixeddesignationB42;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheU.S.DepartmentofDefense.1.Scope*1.1Thisspecification2establishestherequirementsforseamlesscopperpipeinallnominalorstandardpipesizes,bothregularandextra-strong,suitableforuseinplumbing,boilerfeedlines,andforsimilarpurposes.31.2Units—Thevaluesstatedininch-poundunitsaretoberegardedasthestandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunits,whichareprovidedforinformationonlyandarenotconsideredstandard.1.3Thefollowingsafetyhazardcaveatpertainsonlytothetestmethodsdescribedinthisspecification.1.3.1Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:4B153TestMethodforExpansion(PinTest)ofCopperandCopper-AlloyPipeandTubingB170SpecificationforOxygen-FreeElectrolyticCopper—RefineryShapesB577TestMethodsforDetectionofCuprousOxide(Hydro-genEmbrittlementSusceptibility)inCopperB601ClassificationforTemperDesignationsforCopperandCopperAlloys—WroughtandCastB846TerminologyforCopperandCopperAlloysB968/B968MTestMethodforFlatteningofCopperandCopper-AlloyPipeandTubeE8/E8MTestMethodsforTensionTestingofMetallicMa-terialsE29PracticeforUsingSignificantDigitsinTestDatatoDetermineConformancewithSpecificationsE53TestMethodforDeterminationofCopperinUnalloyedCopperbyGravimetryE62TestMethodsforChemicalAnalysisofCopperandCopperAlloys(PhotometricMethods)(Withdrawn2010)5E243PracticeforElectromagnetic(EddyCurrent)Examina-tionofCopperandCop...
