Designation:B171/B171M−12StandardSpecificationforCopper-AlloyPlateandSheetforPressureVessels,Condensers,andHeatExchangers1ThisstandardisissuedunderthefixeddesignationB171/B171M;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheDepartmentofDefense.1.Scope*1.1Thisspecification2establishestherequirementsforcopper-alloyplate,sheet,andcirclescutfromplateandsheetforpressurevessels,condensers,andheatexchangers.Thefollowingalloysarecovered:CopperAlloyPreviouslyUsedDesignationC36500LeadedMuntzMetalC44300Admirality,ArsenicalC44400Admirality,AntimonialC44500Admirality,PhosphorizedC46400NavalBrass,UninhibitedC46500NavalBrass,ArsenicalC61300AluminumBronzeC61400AluminumBronzeDC6300010%Aluminum-NickelBronzeC632009%Aluminum-NickelBronzeC7060090-10CopperNickelC7062090-10CopperNickel-(modifiedforwelding)C7150070-30CopperNickelC7152070-30CopperNickel-(modifiedforwelding)C72200...1.2Units—ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Thevaluesstatedineachsystemmaynotbeexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnon-conformancewiththestandard.2.ReferencedDocuments2.1ASTMStandards:3B248SpecificationforGeneralRequirementsforWroughtCopperandCopper-AlloyPlate,Sheet,Strip,andRolledBarB248MSpecificationforGeneralRequirementsforWroughtCopperandCopper-AlloyPlate,Sheet,Strip,andRolledBar(Metric)B601ClassificationforTemperDesignationsforCopperandCopperAlloys—WroughtandCastB846TerminologyforCopperandCopperAlloysE8/E8MTestMethodsforTensionTestingofMetallicMa-terialsE29PracticeforUsingSignificantDigitsinTestDatatoDetermineConformancewithSpecificationsE54TestMethodsforChemicalAnalysisofSpecialBrassesandBronzes(Withdrawn2002)4E62TestMethod...
