1、Designation:B55212Standard Specification forSeamless and Welded CopperNickel Tubes for WaterDesalting Plants1This standard is issued under the fixed designation B552;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,the year of last re
2、vision.A number in parentheses indicates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.1.Scope*1.1 This specification establishes requirements for seamlessand welded copper-nickel tubes from 0.250 to 2.125 in.(6.35to 54.0 mm)in
3、diameter for use in heat exchangers in waterdesalting plants.The following alloys are involved:Copper orCopper Alloy UNS No.Type of MetalC7060090-10 copper-nickelC7062090-10 copper-nickel(Modified for Welding)C7150070-30 copper-nickelC7152070-30 copper-nickel(Modified for Welding)C71640copper-nickel
4、-iron-manganeseC72200copper-nickel1.2 UnitsValues stated in inch-pound units are to beregarded as standard.The values given in parentheses aremathematical conversions to SI units that are provided forinformation only and are not considered standard.1.3 The following safety hazard caveat pertains onl
5、y to thetest methods of Section 16 described in this specification:Thisstandard does not purport to address all of the safety concerns,if any,associated with its use.It is the responsibility of the userof this standard to establish appropriate safety and healthpractices and determine the applicabili
6、ty of regulatory limita-tions prior to its use.2.Referenced Documents2.1 ASTM Standards:2B111/B111M Specification for Copper and Copper-AlloySeamless Condenser Tubes and Ferrule StockB153 Test Method for Expansion(Pin Test)of Copper andCopper-Alloy Pipe and TubingB154 Test Method for Mercurous Nitra
7、te Test for CopperAlloysB543 Specification for Welded Copper and Copper-AlloyHeat Exchanger TubeB601 Classification for Temper Designations for Copper andCopper AlloysWrought and CastB846 Terminology for Copper and Copper AlloysB858 Test Method forAmmonia Vapor Test for DeterminingSusceptibility to
8、Stress Corrosion Cracking in CopperAlloysB968/B968M Test Method for Flattening of Copper andCopper-Alloy Pipe and TubeE3 Guide for Preparation of Metallographic SpecimensE8/E8M Test Methods for Tension Testing of Metallic Ma-terialsE62 Test Methods for Chemical Analysis of Copper andCopperAlloys(Pho
9、tometric Methods)(Withdrawn 2010)3E76 Test Methods for Chemical Analysis of Nickel-CopperAlloys(Withdrawn 2003)3E118 Test Methods for Chemical Analysis of Copper-Chromium Alloys(Withdrawn 2010)3E243 Practice for Electromagnetic(Eddy-Current)Examina-tion of Copper and Copper-Alloy TubesE255 Practice
10、for Sampling Copper and Copper Alloys forthe Determination of Chemical CompositionE478 Test Methods for Chemical Analysis of Copper AlloysE29 Practice for Using Significant Digits in Test Data toDetermine Conformance with SpecificationsE112 Test Methods for Determining Average Grain Size3.Terminolog
11、y3.1 For definitions of terms related to copper and copperalloys,refer to Terminology B846.4.Classification4.1 Tubes furnished to this specification are classified intotwo types,as follows:4.1.1 Seamless tube and4.1.2 Welded tube.1This specification is under the jurisdiction ofASTM Committee B05 on
12、Copperand Copper Alloys and is the direct responsibility of Subcommittee B05.04 on Pipeand Tube.Current edition approved Oct.1,2012.Published November 2012.Originallyapproved in 1971.Last previous edition approved in 2008 as B552 08.DOI:10.1520/B0552-12.2For referenced ASTM standards,visit the ASTM
13、website,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.For Annual Book of ASTMStandards volume information,refer to the standards Document Summary page onthe ASTM website.3The last approved version of this historical standard is referenced onwww.astm.org.*A Summary of Changes sectio
14、n appears at the end of this standardCopyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 5.Ordering Information5.1 Include the following specified choices when placingorders for products under this specification,as applicable:5.1.1 ASTM desig
15、nation and year of issue,5.1.2 Copper Alloy UNS number designation,5.1.3 Whether seamless or welded(Section 4),5.1.4 Temper(Section 8),5.1.5 Dimensions:diameter and wall thickness(whetherminimum or nominal),and length(Section 12),5.1.6 Total number of pieces of each size,5.1.7 How furnished,whether
16、in straight lengths or coils,and5.1.8 Intended application.5.2 The following options are available and shall be speci-fied in the contract or purchase order when required:5.2.1 Hydrostatic test(11.3),5.2.2 Pneumatic test(11.4),5.2.3 Certification(Section 20),5.2.4 Test report(Section 21),and5.2.5 Package marking of the specification number(Section22).6.Materials and Manufacture6.1 Material:6.1.1 Seamless TubeThe material of manufacture shall becast billets of the Copper Alloys UNS Nos.C70600,C70
