1、Designation:B543/B543M12Standard Specification forWelded Copper and Copper-Alloy Heat Exchanger Tube1This standard is issued under the fixed designation B543/B543M;the number immediately following the designation indicates the yearof original adoption or,in the case of revision,the year of last revi
2、sion.A number in parentheses indicates the year of last reapproval.A superscript epsilon()indicates an editorial change since the last revision or reapproval.1.Scope*1.1 This specification established the requirements forwelded tube of copper and various copper alloys up to 318in.,inclusive,in diame
3、ter,for use in surface condensers,evaporators,heat exchangers,and general engineering appli-cations.The following coppers or copper alloys are involved:2Copper orCopper Alloy UNSNo.2Previously UsedDesignationType of MetalC10800A.oxygen-free,low phosphorusC12200A.DHP phosphorized,highresidual phospho
4、rusC19400.copper-iron alloyC23000.red brassC44300.arsenical admiraltyC44400.antimonial admiraltyC44500.phosphorized admiraltyC68700.arsenical aluminum brassC70400.95-5 copper-nickelC70600.90-10 copper-nickelC70620.90-10 copper-nickel(Modifiedfor Welding)C71000.80-20 copper-nickelC71500.70-30 copper-
5、nickelC71520.7030 copper-nickel(Modifiedfor Welding)C71640.copper-nickel-iron-manganeseC72200.ACopper UNS Nos.C10800 and C12200 are classified in Classification B224.1.2 The values stated in either SI units or inch-pound unitsare to be regarded separately as standard.The values stated ineach system
6、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 standard does not purport to address all of thesafety concerns,if any,associated with its use.It is theresponsibilit
7、y of the user of this standard to establish appro-priate safety and health practices and determine the applica-bility of regulatory limitations prior to use.WarningMercury has been designated by EPA and manystate agencies as a hazardous material that can cause centralnervous system,kidney,and liver
8、damage.Mercury,or itsvapor,may be hazardous to health and corrosive to materials.Caution should be taken when handling mercury and mercury-containing products.See the applicable product MaterialSafety Data Sheet(MSDS)for details and EPAs website(http:/www.epa.gov/mercury/faq.htm)for additional infor
9、ma-tion.Users should be aware that selling mercury or mercury-containing products,or both,in your state may be prohibited bystate law.(Mercury is a definite health hazard in use anddisposal.(See 12.1.1.)2.Referenced Documents2.1 ASTM Standards:3B153 Test Method for Expansion(Pin Test)of Copper andCo
10、pper-Alloy Pipe and TubingB154 Test Method for Mercurous Nitrate Test for CopperAlloysB224 Classification of CoppersB846 Terminology for Copper and Copper AlloysB858 Test Method forAmmonia Vapor Test for DeterminingSusceptibility to Stress Corrosion Cracking in CopperAlloysB900 Practice for Packagin
11、g of Copper and Copper AlloyMill Products for U.S.Government AgenciesB968/B968M Test Method for Flattening of Copper andCopper-Alloy Pipe and TubeE3 Guide for Preparation of Metallographic SpecimensE8 Test Methods for Tension Testing of Metallic MaterialsE29 Practice for Using Significant Digits in
12、Test Data toDetermine Conformance with SpecificationsE53 Test Method for Determination of Copper in UnalloyedCopper by GravimetryE54 Test Methods for Chemical Analysis of Special Brassesand Bronzes(Withdrawn 2002)41This specification is under the jurisdiction ofASTM Committee B05 on Copperand Copper
13、 Alloys and is the direct responsibility of Subcommittee B05.04 on Pipeand Tube.Current edition approved April 1,2012.Published May 2012.Originallyapproved in 1970.Last previous edition approved in 2007 as B543 071.DOI:10.1520/B0543/B0543M-12.2New designation established in accordance with Practice
14、E527.In the new UNSsystem,the designations for copper alloys are simply expansions of the presentstandard designations by a prefix“C”and a suffix“00.”3For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.For Annual Book of ASTMStandards
15、 volume information,refer to the standards Document Summary page onthe ASTM website.4The last approved version of this historical standard is referenced onwww.astm.org.*A Summary of Changes section appears at the end of this standardCopyright ASTM International,100 Barr Harbor Drive,PO Box C700,West
16、 Conshohocken,PA 19428-2959.United States1 E62 Test Methods for Chemical Analysis of Copper andCopperAlloys(Photometric Methods)(Withdrawn 2010)4E112 Test Methods for Determining Average Grain SizeE118 Test Methods for Chemical Analysis of Copper-Chromium Alloys(Withdrawn 2010)4E243 Practice for Electromagnetic(Eddy Current)Examina-tion of Copper and Copper-Alloy TubesE478 Test Methods for Chemical Analysis of Copper AlloysE255 Practice for Sampling Copper and Copper Alloys forthe Determination
