Designation:B395/B395M−16StandardSpecificationforU-BendSeamlessCopperandCopperAlloyHeatExchangerandCondenserTubes1ThisstandardisissuedunderthefixeddesignationB395/B395M;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheU.S.DepartmentofDefense.1.Scope*1.1Thisspecification2establishestherequirementsforcondenser,evaporator,andheatexchangerU-bendtubesthataremanufacturedfromseamlesscopperandcopperalloytube.1.2Units—ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Withinthetext,SIunitsareshowninbrackets.Thevaluesstatedineachsystemmaynotbeexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnon-conformancewiththestandard.1.3Thisspecificationisapplicabletoproduct2in.[50mm]orless,inclusive,indiameter.1.4Theproductshallbeproducedfromoneofthefollowingcoppersorcopperalloys,asspecifiedintheorderinginforma-tion:CopperorCopperAlloyUNSNo.PreviouslyUsedDesignationTypeofMetalC10200OFAoxygen-freewithoutresidualdeoxidantsC10300...oxygen-free,extralowphosphorusC10800...oxygen-free,lowphosphorusC12000DLPAphosphorized,lowresidualphosphorusC12200DHPAphosphorized,highresidualphosphorusC14200DPAAphosphorized,arsenicalC19200...phosphorized,1%ironC23000...redbrassC44300TypeBadmiraltymetalC44400TypeCadmiraltymetalC44500TypeDadmiraltymetalC60800...aluminumbronzeC68700TypeBaluminumbrassC70400...95-5copper-nickelC70600...90-10copper-nickelCopperorCopperAlloyUNSNo.PreviouslyUsedDesignationTypeofMetalC70620...90-10copper-nickel-(modifiedforwelding)C71000...80-20copper-nickelC71500...70-30copper-nickelC71520...70-30copper-nickel-(modifiedforwelding)C72200...copper-nickelADesignationslistedinClassificationB224.1.5Thefollowingsafetyhazardcaveatpertainso...
