Designation:B725−05(Reapproved2014)´1StandardSpecificationforWeldedNickel(UNSN02200/UNSN02201)andNickelCopperAlloy(UNSN04400)Pipe1ThisstandardisissuedunderthefixeddesignationB725;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ε1NOTE—Table4waseditoriallycorrectedinDecember2015.1.Scope1.1Thisspecificationcoversnickel(UNSN02200)andlowcarbonnickel(UNSN02201andUNSN04400)intheformofweldedandannealedorweldedandstressrelievedpipeintendedforgeneralcorrosiveserviceandformechanicalapplications.1.2ThisspecificationcoversoutsidediameterandnominalwallpipeinSchedules5S,10S,and40Sthrough30-in.nominalpipesizeshowninANSIB36.19(seeTable1).Pipehavingotherdimensionsmaybefurnishedprovidedsuchpipecomplieswithallotherrequirementsofthisspecification.1.3Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.4Thefollowingprecautionarycaveatpertainsonlytothetestmethodsportion,Section12,ofthisspecification:Thisstandarddoesnotpurporttoaddressallofthesafetyproblems,ifany,associatedwithitsuse.ItistheresponsibilityoftheuserofthisstandardtobecomefamiliarwithallhazardsincludingthoseidentifiedintheappropriateMaterialSafetyDataSheet(MSDS)forthisproduct/materialasprovidedbythemanufacturer,toestablishappropriatesafetyandhealthpractices,anddeterminetheapplicabilityofregulatorylimi-tationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2E8TestMethodsforTensionTestingofMetallicMaterialsE29PracticeforUsingSignificantDigitsinTestDatatoDetermineConformancewithSpecificationsE39MethodsforChemicalAnalysisofNickel(Withdrawn1995)3E213PracticeforUltrasonicTestingofMetalPipeandTubingE571PracticeforElectromagnetic(Eddy-Current)Examina-tionofNickelandNickelAlloyTubularProducts2.2...
