1、Designation: B234M 10B234M 17Standard Specification forAluminum and Aluminum-Alloy Drawn Seamless Tubes forCondensers Surface Condensers, Evaporators, and HeatExchangers (Metric)1This standard is issued under the fixed designation B234M; the number immediately following the designation indicates the
2、 year oforiginal adoption 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)
3、drawn seamless round tube in straight lengths designated as shown inthe Table 2, for use in surface condensers, evaporators, and heat exchangers.NOTE 1Throughout this specification use of the term alloy in the general sense includes aluminum as well as aluminum alloy.NOTE 2For drawn seamless tubes u
4、sed in general applications, see Specifications B210 and B210M; for extruded tubes see Specifications B221 andB221M; for seamless pipe and seamless extruded tube used in pressure applications, see Specification B241/B241M; and for structural pipe and tube seeSpecification B429/B429M.1.2 Alloy and te
5、mper designations are in accordance with ANSI H35.1M. The equivalent Unified Numbering System alloydesignations are those of Table 1 preceded by E215, for example, A91060 for aluminum 1060, in accordance with Practice E527.1.3 For acceptance criteria for inclusion of new aluminum and aluminum alloys
6、 in this specification, see A1.1.1Annex A1.1.4 This specification is the SI companion to Specification B234.1.5 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibilityof the user of this standard to establish appropriate safety
7、and health practices and determine the applicability of regulatorylimitations prior to use.1.5 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibilityof the user of this standard to establish appropriate safety, health, and envi
8、ronmental practices and determine the applicability ofregulatory limitations prior to use.1.6 This international standard was developed in accordance with internationally recognized principles on standardizationestablished in the Decision on Principles for the Development of International Standards,
9、 Guides and Recommendations issuedby the World Trade Organization Technical Barriers to Trade (TBT) Committee.2. Referenced Documents2.1 The following documents of the issue in effect on date of material purchase form a part of this specification to the extentreferenced herein:2.2 ASTM Standards:2,3
10、B210 Specification for Aluminum and Aluminum-Alloy Drawn Seamless TubesB210M Specification for Aluminum and Aluminum-Alloy Drawn Seamless Tubes (Metric)B221 Specification for Aluminum and Aluminum-Alloy Extruded Bars, Rods, Wire, Profiles, and TubesB221M Specification for Aluminum and Aluminum-Alloy
11、 Extruded Bars, 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 Extruded Structural Pipe and TubeB557M Test Methods for Tension Testing Wrought and Cast Aluminum- and
12、Magnesium-Alloy Products (Metric)B660 Practices for Packaging/Packing of Aluminum and Magnesium Products1 This specification is under the jurisdiction of ASTM Committee B07 on Light Metals and Alloys and is the direct responsibility of Subcommittee B07.03 on AluminumAlloy Wrought Products.Current ed
13、ition approved Nov. 1, 2010Oct. 1, 2017. Published December 2010October 2017. Originally approved in 1982. Last previous edition approved in 20042010as B234M 04.B234M 10. DOI: 10.1520/B0234M-10.10.1520/B0234M-17.2 For ASME Boiler and Pressure Vessel Code applications see related SB-234 in Section ll
14、 of that code.3 For referencedASTM standards, visit theASTM website, www.astm.org, or contactASTM Customer Service at serviceastm.org. For Annual Book of ASTM Standardsvolume information, refer to the standards Document Summary page on the ASTM website.This document is not an ASTM standard and is in
15、tended only to provide the user of an ASTM standard an indication of what changes have been made to the previous version. Becauseit may not be technically possible to adequately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the cur
16、rent versionof the standard as published by ASTM is to be considered the official document.*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 States1B666/B666M Practice for Identi
17、fication Marking of Aluminum and Magnesium ProductsB881 Terminology Relating to Aluminum- and Magnesium-Alloy ProductsB918 Practice for Heat Treatment of Wrought Aluminum AlloysB985 Practice for SamplingAluminum Ingots, Billets, Castings and Finished or Semi-Finished WroughtAluminum Products forComp
18、ositional AnalysisE29 Practice for Using Significant Digits in Test Data to Determine Conformance with SpecificationsE34 Test Methods for Chemical Analysis of Aluminum and Aluminum-Base Alloys (Withdrawn 2017)4E215 Practice for Standardizing Equipment and Electromagnetic Examination of Seamless Alum
19、inum-Alloy TubeE527 Practice for Numbering Metals and Alloys in the Unified Numbering System (UNS)E607 Test Method for Atomic Emission Spectrometric Analysis Aluminum Alloys by the Point to Plane Technique NitrogenAtmosphere (Withdrawn 2011)4E716 Practices for Sampling and Sample Preparation of Alum
20、inum and Aluminum Alloys for Determination of ChemicalComposition by Spark Atomic Emission SpectrometryE1251 Test Method for Analysis of Aluminum and Aluminum Alloys by Spark Atomic Emission SpectrometryE3061 Test Method for Analysis of Aluminum and Aluminum Alloys by Inductively Coupled Plasma Atom
21、ic EmissionSpectrometry (Performance Based Method)2.3 ANSI Standards:5H35.1/H35.1(M) Alloy and Temper Designation Systems for AluminumH35.2(M) Dimensional Tolerances for Aluminum Mill Products4 The last approved version of this historical standard is referenced on www.astm.org.5 Available from Alumi
22、num Association, Inc., 1525 Wilson Blvd., Suite 600,1400 Crystal Dr., Suite 430, Arlington, VA 22209,22202, http:/www.aluminum.org.TABLE 1 Chemical Composition LimitsA,B,C,IAlloy Silicon Iron Copper Manganese Magnesium Chromium Zinc Titanium Other ElementsD Aluminum,minEach TotalEAlloy Silicon Iron
23、Copper Manganese Magnesium Chromium Zinc Titanium Other ElementsD Aluminum,minEach TotalE1060 0.25 0.35 0.05 0.03 0.03 . . . 0.05 0.03 F,G 0.03 . . . 99.60106030030.250.60.350.70.050.050.200.031.01.50.03.0.050.100.03.0.03F0.05.0.1599.60Gremainder3003 0.6 0.7 0.050.20 1.01.5 . . 0.10 . 0.05 0.15 rema
24、inderAlclad3003 3003 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 remainder5052 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 0.04
25、0.35 0.25 0.15 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 remainder7072H 0.07 Si + Fe 0.10 0.10 0.10 . 0.81.3 . 0.05 0.15 remainder7072 0.07 Si + Fe 0.10 0.10 0.10 . . . 0.81.3 . . . H 0.05 0.15 remainderA Limits are in percent maximum unless shown as a ran
26、ge or otherwise stated.B Analysis shall be made for the elements for which limits are shown in this table.C For purposes of determining conformance to these limits, an observed value or a calculated value attained from analysis shall be rounded to the nearest unit in the lastright-hand place of figu
27、res 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 metallic elements. The producer may analyze samples for trace elements notspecified in this specification.
28、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 or that the aggregate of several Others elements exceeds the limit of Total, the material shall be con
29、siderednonconforming.EOther ElementsTotal shall be the sum of unspecified metallic elements 0.010 % or more, rounded to the second decimal before determining the sum.F Vanadium 0.05 max.G The aluminum content shall be calculated by subtracting from 100.00 % the sum of all the metallic elements prese
30、nt in amounts of 0.010 % or more, rounded to thesecond decimal before determining the sum.H Composition of cladding alloy as applied during the course of manufacture. The sample from finished tube shall not be required to conform to these limits.IIn case there is a discrepancy in the values listed i
31、n Table 1 with those listed in the “International Alloy Designations and Chemical Composition Limits for WroughtAluminum and WroughtAluminumAlloys” (known as the “Teal Sheets”), the composition limits registered with theAluminumAssociation and published in the “Teal Sheets”shall be considered the co
32、ntrolling composition. The “Teal Sheets” are available at http:/www.aluminum.org/tealsheets.B234M 1722.4 Federal Standard:6Fed. Std. No. 123 Marking for Shipment (Civil Agencies)2.5 Military Standard:6MIL-STD-129 Marking for Shipment and Storage2.6 AMS Specification:7AMS 2772 Heat Treatment of Alumi
33、num Alloy Raw Materials6 Available from Standardization Documents Order Desk, DODSSP, Bldg. 4, Section D, 700 Robbins Ave., Philadelphia, PA 19111-5098, http:/dodssp.daps.dla.mil.7 Available from Society of Automotive Engineers (SAE), 400 Commonwealth Dr., Warrendale, PA 15096-0001. http:/www.sae.or
34、g.TABLE 2 Tensile Property LimitsA,BAlloy TemperWall Thickness, mm Tensile Strength,min, MPaYield Strength,(0.2 % offset),min,MPaElongation in50 mm min, %Over Through Full-SectionSpecimen Cut-OutSpecimenAlloy TemperWall Thickness, mm Tensile Strength,min, MPaYield Strength,(0.2 % offset),min, MPaElo
35、ngation in 50 mm min, %Over Through Full-SectionSpecimen Cut-outSpecimen1060 H14 0.25 5.00 85 70 . .1060 H14 0.25 5.00 85 70 . . . . . .3003 H14 0.25 0.63 140 115 3 .3003 H14 0.25 0.63 140 115 3 . . .0.63 1.20 140 115 5 30.63 1.20 140 115 5 31.20 5.00 140 115 8 41.20 5.00 140 115 8 4H25 0.25 5.00 15
36、0 130 . .H25 0.25 5.00 150 130 . . . . . .Alclad 3003 H14 0.25 0.63 135 110 . .Alclad 3003 H14 0.25 0.63 135 110 . . . . . .0.63 1.20 135 110 5 30.63 1.20 135 110 5 31.20 5.00 135 110 8 41.20 5.00 135 110 8 4H25 0.25 5.00 145 125 . .H25 0.25 5.00 145 125 . . . . . .5052 H32 0.25 5.00 215 160 . . . .
37、 . .5052 H32H34 0.250.25 5.005.00 215235 160180 H34 0.25 5.00 235 180 . .5454 H32 0.25 1.20 250 180 . 55454 H32 0.25 1.20 250 180 . . . 51.20 5.00 250 180 . 81.20 5.00 250 . . . 8H34 0.25 1.20 270 200 . 4H34 0.25 1.20 270 200 . . . 41.20 5.00 270 200 . 61.20 5.00 270 200 . . . 66061 T4 0.25 1.20 205
38、 110 16 146061 T4 0.25 1.20 205 110 16 141.20 5.00 205 110 18 16T6 0.25 1.20 290 240 10 8T6 0.25 1.20 290 240 10 81.20 5.00 290 240 12 10A To determine conformance to this specification, each value for tensile strength and for yield strength shall be rounded to the nearest 1 MPa and each value for e
39、longationto the nearest 0.5 %, both in accordance with the rounding-off method of Practice E29.B The basis for establishment of mechanical property limits is shown in Annex A1.B234M 1732.7 EN Standard:8CEN EN 14242 Aluminum and Aluminum Alloys, Chemical Analysis, Inductively Coupled Plasma Optical E
40、mission SpectralAnalysis3. Terminology3.1 Definitions: Refer to Terminology B881 for definitions of product terms used in this specification.3.2 Definitions of Terms Specific to This Standard:3.2.1 capable ofthe term capable of as used in this specification means that the test need not be performed
41、by the producerof the material. However, should testing by the purchaser establish that the material does not meet these requirements, the materialshall be subject to rejection.4. Ordering Information4.1 Orders for material to this specification shall include the following information:4.1.1 The spec
42、ification designation (which includes the number, the year, and the revision letter, if applicable),4.1.2 Quantity in pieces or kilograms,4.1.3 Alloy (Section 7),4.1.4 Temper (Section 8),4.1.5 Outside or inside diameter, wall thickness, and length,4.1.6 For alloy Alclad 3003, state clad inside or ou
43、tside (12.1).4.2 Additionally, orders for material to this specification shall include the following information when required by thepurchaser:4.2.1 Whether heat treatment in accordance with Practice B918 is required (9.2),4.2.2 Whether cut ends of tube are to be deburred (Section 14),4.2.3 Whether
44、inspection or witness of inspection and tests by the purchasers representative is required prior to materialshipment (Section 15),4.2.4 Whether certification of the material is required (Section 17),4.2.5 Whether marking for identification is required (Section 18), and4.2.6 Whether Practices B660 ap
45、plies and, if so, the level of preservation, packaging, and packing required (19.3).5. Manufacture5.1 The tube shall be produced by drawing an extruded tube made from hollow extrusion ingot (cast in hollow form or pierced)and extruded by use of the die and mandrel method.6. Responsibility for Qualit
46、y Assurance6.1 Responsibility for Inspection and TestsUnless otherwise specified in the contract or purchase order, the producer isresponsible for the performance of all inspection and test requirements specified herein.The producer may use his own or any othersuitable facilities for the performance
47、 of the inspection and test requirements specified herein, unless disapproved by the purchaserin the order or at the time of contract signing. The purchaser shall have the right to perform any of the inspections and tests setforth in this specification where such inspections are deemed necessary to
48、assure that material conforms to prescribed requirements.6.2 Lot DefinitionAn inspection lot shall be defined as follows:6.2.1 For heat-treated tempers, an inspection lot shall consist of an identifiable quantity of material of the same mill form, alloy,temper, and thickness traceable to a heat-trea
49、ted lot or lots, and subjected to inspection at one time.6.2.2 For nonheat-treated tempers, an inspection lot shall consist of an identifiable quantity of material of the same mill form,alloy, temper, and thickness subjected to inspection at one time.7. Chemical Composition7.1 LimitsThe tube shall conform to the chemical composition limits in Table 1. Conformance shall be determined by theproducer by analyzing samples taken at the time thetaking samples in accordance with Practices E716 ingots are poured inaccordance with when the ingots are
