ASTM B234M-17 Standard Specification for Aluminum and Aluminum-Alloy Drawn Seamless Tubes for Surface Condensers, Evaporators, and Heat Exchangers (Metric).pdf
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1、Designation: B234M 17Standard Specification forAluminum and Aluminum-Alloy Drawn Seamless Tubes forSurface Condensers, Evaporators, and Heat Exchangers(Metric)1This standard is issued under the fixed designation B234M; the number immediately following the designation indicates the year oforiginal ad
2、option or, in the case of revision, the year of last revision. 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 covers aluminum-alloy (Note 1)drawn seamless round
3、 tube in straight lengths designated asshown in the Table 2, for use in surface condensers,evaporators, and heat exchangers.NOTE 1Throughout this specification use of the term alloy in thegeneral sense includes aluminum as well as aluminum alloy.NOTE 2For drawn seamless tubes used in general applica
4、tions, seeSpecifications B210 and B210M; for extruded tubes see SpecificationsB221 and B221M; for seamless pipe and seamless extruded tube used inpressure applications, see Specification B241/B241M; and for structuralpipe and tube see Specification B429/B429M.1.2 Alloy and temper designations are in
5、 accordance withANSI H35.1M. The equivalent Unified Numbering Systemalloy designations are those of Table 1 preceded by E215, forexample, A91060 for aluminum 1060, in accordance withPractice E527.1.3 For acceptance criteria for inclusion of new aluminumand aluminum alloys in this specification, see
6、Annex A1.1.4 This specification is the SI companion to SpecificationB234.1.5 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 establish appro-priate safety, health, and environmental practice
7、s and deter-mine the applicability of regulatory limitations prior to use.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 Re
8、com-mendations issued by the World 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:2.2 ASTM Standards:2,3B210 Specifica
9、tion for Aluminum and Aluminum-AlloyDrawn Seamless TubesB210M Specification for Aluminum and Aluminum-AlloyDrawn Seamless Tubes (Metric)B221 Specification for Aluminum and Aluminum-Alloy Ex-truded Bars, Rods, Wire, Profiles, and TubesB221M Specification for Aluminum and Aluminum-AlloyExtruded Bars,
10、Rods, Wire, Profiles, and Tubes (Metric)B241/B241M Specification for Aluminum and Aluminum-Alloy Seamless Pipe and Seamless Extruded TubeB429/B429M Specification for Aluminum-Alloy ExtrudedStructural Pipe and TubeB557M Test Methods for Tension Testing Wrought and CastAluminum- and Magnesium-Alloy Pr
11、oducts (Metric)B660 Practices for Packaging/Packing of Aluminum andMagnesium ProductsB666/B666M Practice for Identification Marking of Alumi-num and Magnesium ProductsB881 Terminology Relating to Aluminum- and Magnesium-Alloy ProductsB918 Practice for Heat Treatment of Wrought AluminumAlloysB985 Pra
12、ctice for Sampling Aluminum Ingots, Billets, Cast-ings and Finished or Semi-Finished Wrought AluminumProducts for Compositional AnalysisE29 Practice for Using Significant Digits in Test Data toDetermine Conformance with SpecificationsE215 Practice for Standardizing Equipment and Electromag-netic Exa
13、mination of Seamless Aluminum-Alloy Tube1This specification is under the jurisdiction of ASTM Committee B07 on LightMetals and Alloys and is the direct responsibility of Subcommittee B07.03 onAluminum Alloy Wrought Products.Current edition approved Oct. 1, 2017. Published October 2017. Originallyapp
14、roved in 1982. Last previous edition approved in 2010 as B234M 10. DOI:10.1520/B0234M-17.2For ASME Boiler and Pressure Vessel Code applications see related SB-234 inSection ll of that code.3For referenced ASTM standards, visit the ASTM website, www.astm.org, orcontact ASTM Customer Service at servic
15、eastm.org. For Annual Book of ASTMStandards volume information, refer to the standards Document Summary page onthe ASTM website.*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
16、StatesThis international standard was developed in accordance 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
17、 Trade (TBT) Committee.1Mon Apr 30 14 TABLE 1 Chemical Composition LimitsA,B,C,IAlloy Silicon Iron Copper Manganese Magnesium Chromium Zinc TitaniumOther ElementsDAluminum,minEach TotalE1060 0.25 0.35 0.05 0.03 0.03 . . . 0.05 0.03F,G0.03 . . . 99.603003 0.6 0.7 0.050.20 1.01.5 . . . . . . 0.10 . .
18、. 0.05 0.15 remainderAlclad30033003 alloy clad with 7072 alloy5052 0.25 0.40 0.10 0.10 2.22.8 0.150.35 0.10 . . . 0.05 0.15 remainder5454 0.25 0.40 0.10 0.501.0 2.43.0 0.050.20 0.25 0.20 0.05 0.15 remainder6061 0.400.8 0.7 0.150.40 0.15 0.81.2 0.040.35 0.25 0.15 0.05 0.15 remainder7072 0.07 Si + Fe
19、0.10 0.10 0.10 . . . 0.81.3 . . .H0.05 0.15 remainderALimits are in percent maximum unless shown as a range or otherwise stated.BAnalysis shall be made for the elements for which limits are shown in this table.CFor purposes of determining conformance to these limits, an observed value or a calculate
20、d value attained from analysis shall be rounded to the nearest unit in the lastright-hand place of figures used in expressing the specified limit, in accordance with the rounding-off method of Practice E29.DOthers includes listed elements for which no specific limit is shown as well as unlisted meta
21、llic elements. The producer may analyze samples for trace elements notspecified in this specification. However, such analysis is not required and may not cover all metallic Others elements. Should any analysis by the producer or the purchaserestablish that an Others element exceeds the limit of Each
22、 or that the aggregate of several Others elements exceeds the limit of Total, the material shall be considerednonconforming.EOther ElementsTotal shall be the sum of unspecified metallic elements 0.010 % or more, rounded to the second decimal before determining the sum.FVanadium 0.05 max.GThe aluminu
23、m content shall be calculated by subtracting from 100.00 % the sum of all the metallic elements present in amounts of 0.010 % or more, rounded to thesecond decimal before determining the sum.HComposition of cladding alloy as applied during the course of manufacture. The sample from finished tube sha
24、ll not be required to conform to these limits.IIn case there is a discrepancy in the values listed in Table 1 with those listed in the “International Alloy Designations and Chemical Composition Limits for WroughtAluminum and Wrought Aluminum Alloys” (known as the “Teal Sheets”), the composition limi
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