Designation:B315−12StandardSpecificationforSeamlessCopperAlloyPipeandTube1ThisstandardisissuedunderthefixeddesignationB315;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheU.S.DepartmentofDefense.1.Scope*1.1Thisspecification2establishestherequirementsforseamless,copperalloypipeandtubeinnominalpipesizes,bothregularandextrastrong,andseamlesstubeinstraightlengthsforgeneralengineeringpurposes.PipeandtubeareproducedinthecopperalloyUNSNumbers:C61300,C61400,C63020,C65100,andC65500.NOTE1—Inquiryshouldbemadeofthemanufacturerorsupplierconcerningtheavailabilityofproductinaspecificalloy.1.2Valuesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.3Thefollowingsafetycaveatpertainsonlytothetestmethod(s)describedinthisspecification.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:3B846TerminologyforCopperandCopperAlloysE8/E8MTestMethodsforTensionTestingofMetallicMa-terialsE18TestMethodsforRockwellHardnessofMetallicMa-terialsE29PracticeforUsingSignificantDigitsinTestDatatoDetermineConformancewithSpecificationsE54TestMethodsforChemicalAnalysisofSpecialBrassesandBronzes(Withdrawn2002)4E62TestMethodsforChemicalAnalysisofCopperandCopperAlloys(PhotometricMethods)(Withdrawn2010)4E243PracticeforElectromagnetic(EddyCurrent)Examina-tionofCopperandCopper-AlloyTubesE255PracticeforSamplingCopperandCopperAlloysfortheDeterminationofChemicalCompositionE478TestMethodsforChemicalAnalysisofCopperAlloys...
