1、Designation:B395/B395M18Standard Specification forU-Bend Seamless Copper and Copper Alloy Heat Exchangerand Condenser Tubes1This standard is issued under the fixed designation B395/B395M;the number immediately following the designation indicates the yearof original adoption or,in the case of revisio
2、n,the year of last revision.A number in parentheses indicates the year of last reapproval.A superscript epsilon()indicates an editorial change since the last revision or reapproval.This standard has been approved for use by agencies of the U.S.Department of Defense.1.Scope*1.1 This specification2est
3、ablishes the requirements forcondenser,evaporator,and heat exchanger U-bend tubes thatare manufactured from seamless copper and copper alloy tube.1.2 UnitsThe values stated in either SI units or inch-pound units are to be regarded separately as standard.Withinthe text,SI units are shown in brackets.
4、The values stated ineach system may not be exact equivalents;therefore,eachsystem shall be used independently of the other.Combiningvalues from the two systems may result in non-conformancewith the standard.1.3 This specification is applicable to product 2 in.50 mmor less,inclusive,in diameter.1.4 T
5、he product shall be produced from one of the followingcoppers or copper alloys,as specified in the ordering informa-tion:Copper orCopper AlloyUNS No.Previously UsedDesignationType of MetalC10200OFAoxygen-free without residual deoxidantsC10300.oxygen-free,extra low phosphorusC10800.oxygen-free,low ph
6、osphorusC12000DLPAphosphorized,low residual phosphorusC12200DHPAphosphorized,high residualphosphorusC14200DPAAphosphorized,arsenicalC19200.phosphorized,1%ironC23000.red brassC44300Type Badmiralty metalC44400Type Cadmiralty metalC44500Type Dadmiralty metalC60800.aluminum bronzeC68700Type Baluminum br
7、assCopper orCopper AlloyUNS No.Previously UsedDesignationType of MetalC70400.95-5 copper-nickelC70600.90-10 copper-nickelC70620.90-10 copper-nickel-(modified for welding)C71000.80-20 copper-nickelC71500.70-30 copper-nickelC71520.70-30 copper-nickel-(modified for welding)C72200.copper-nickelADesignat
8、ions listed in Classification B224.1.5 The following safety hazard caveat pertains only to thetest methods described in this specification.1.5.1 This standard does not purport to address all of thesafety concerns,if any,associated with its use.It is theresponsibility of the user of this standard to
9、establish appro-priate safety,health,and environmental practices and deter-mine the applicability of regulatory limitations prior to use.(WarningMercury has been designated by many regulatoryagencies as a hazardous substance that can cause seriousmedical issues.Mercury,or its vapor,has been demonstr
10、ated tobe hazardous to health and corrosive to materials.Cautionshould be taken when handling mercury and mercury contain-ing products.See the applicable product Safety Data Sheet(SDS)for additional information.Users should be aware thatselling mercury and/or mercury containing products into yoursta
11、te or country may be prohibited by law.)1.6 This international standard was developed in accor-dance with internationally recognized principles on standard-ization established in the Decision on Principles for theDevelopment of International Standards,Guides and Recom-mendations issued by the World
12、Trade Organization TechnicalBarriers to Trade(TBT)Committee.2.Referenced Documents2.1 The following documents of the issue in effect on dateof material purchase form a part of this specification to theextent referenced herein:1This specification is under the jurisdiction ofASTM Committee B05 on Copp
13、erand Copper Alloys and is the direct responsibility of Subcommittee B05.04 on Pipeand Tube.Current edition approved March 1,2018.Published April 2018.Originallyapproved in 1962.Last previous edition approved in 2016 as B395/B395M 16.DOI:10.1520/B0395_B0395M-18.2For ASME Boiler and Pressure Vessel C
14、ode applications see related Specifi-cation SB-395 in Section II of that Code.*A Summary of Changes section appears at the end of this standardCopyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United StatesThis international standard was developed in acco
15、rdance with internationally recognized principles on standardization established in the Decision on Principles for theDevelopment of International Standards,Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade(TBT)Committee.1 2.2 ASTM Standards:3B153 Test Met
16、hod for Expansion(Pin Test)of Copper andCopper-Alloy Pipe and TubingB154 Test Method for Mercurous Nitrate Test for CopperAlloysB224 Classification of CoppersB601 Classification for Temper Designations for Copper andCopper AlloysWrought and CastB846 Terminology for Copper and Copper AlloysB858 Test Method forAmmonia Vapor Test for DeterminingSusceptibility to Stress Corrosion Cracking in CopperAlloysB900 Practice for Packaging of Copper and Copper AlloyMill Products for U.S.Government AgenciesB9