ASTM B447-2007 Standard Specification for Welded Copper Tube《焊接铜管的标准规范》.pdf

1、Designation: B 447 07Standard Specification forWelded Copper Tube1This standard is issued under the fixed designation B 447; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, the year of last revision. A number in parentheses indicat

2、es the year of last reapproval. Asuperscript epsilon (e) indicates an editorial change since the last revision or reapproval.This standard has been approved for use by agencies of the Department of Defense.1. Scope*1.1 This specification establishes the requirements forwelded copper tube with a long

3、itudinal seam free of filler metalproduced from sheet or strip of the following coppers:Copper UNS Nos. Type of CopperC10100 Oxygen-free electronicC10200 Oxygen-freeC10300 Oxygen-free, extra low phosphorusC10800 Oxygen-free, low phosphorusC11000 Electrolytic tough pitchC12000 Phosphorus deoxidized,

4、low residual phosphorusC12200 Phosphorus deoxidized, high residual phosphorusC14200 Phosphorus deoxidized, arsenical1.2 Unless otherwise specified in the contract or purchaseorder, product furnished of any listed copper, with the excep-tion of copper C11000, shall be considered acceptable.1.2.1 Copp

5、er C11000 welded tube shall not be used inapplications where hydrogen embrittlement during heating is aconcern.1.3 Values stated in inch-pound units are the standard exceptfor grain size, which is given in SI units. Values given inparentheses are for information only.1.4 The following hazard caveat

6、pertains only to Section 13of this specification: This standard does not purport to addressall of the safety concerns, if any, associated with its use. It isthe responsibility of the user of this standard to establishappropriate safety and health practices and determine theapplicability of regulator

7、y limitations prior to use.2. Referenced Documents2.1 ASTM Standards:2B 153 Test Method for Expansion (Pin Test) of Copper andCopper-Alloy Pipe and TubingB 170 Specification for Oxygen-Free Electrolytic CopperRefinery ShapesB 193 Test Method for Resistivity of Electrical ConductorMaterialsB 577 Test

8、 Methods for Detection of Cuprous Oxide (Hy-drogen Embrittlement Susceptibility) in CopperB 601 Classification for Temper Designations for Copperand Copper AlloysWrought and CastB 846 Terminology for Copper and Copper AlloysE3 Guide for Preparation of Metallographic SpecimensE8 Test Methods for Tens

9、ion Testing of Metallic MaterialsE29 Practice for Using Significant Digits in Test Data toDetermine Conformance with SpecificationsE53 Test Method for Determination of Copper in Unal-loyed Copper by GravimetryE62 Test Methods for Chemical Analysis of Copper andCopper Alloys (Photometric Methods)E112

10、 Test Methods for Determining Average Grain SizeE 243 Practice for Electromagnetic (Eddy-Current) Exami-nation of Copper and Copper-Alloy TubesE 255 Practice for Sampling Copper and Copper Alloys forthe Determination of Chemical CompositionE 527 Practice for Numbering Metals and Alloys (UNS)3. Termi

11、nology3.1 Definitions:3.1.1 For definitions of terms related to copper and copperalloys refer to Terminology B 846.3.2 Definitions of Terms Specific to This Standard:3.2.1 lengths, mill, nstraight lengths, including ends thatare conveniently manufactured in the mills.3.2.1.1 DiscussionFull-length pi

12、eces are usually 10, 12,or 20 ft and subject to established length tolerances.3.2.2 lengths, stock, nstraight lengths that are mill cut andstored in advance of orders.3.2.2.1 DiscussionStock lengths are usually 6 to 20 ft andsubject to established tolerances.1This specification is under the jurisdic

13、tion ofASTM Committee B05 on Copperand Copper Alloys and is the direct responsibility of Subcommittee B05.04 on Pipeand Tube.Current edition approved April 1, 2007. Published April 2007. Originallyapproved in 1967. Last previous edition approved in 2002 as B 447 02.2For referenced ASTM standards, vi

14、sit the ASTM 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.1*A Summary of Changes section appears at the end of this standard.Copyright ASTM International

15、, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.4. Classification4.1 The following types of welded tube are manufacturedunder this specification:4.1.1 As-WeldedAcondition created as a result of formingsheet or plate into tubular form and welding without subse-qu

16、ent heat treatment or cold work.4.1.2 Welded and AnnealedWelded tube annealed to pro-duce a uniform grain size appropriate to the specified annealedtemper.4.1.3 Welded and Cold DrawnWelded tube with internaland external flash removed by scarfing or the internal flashdisplaced and subsequently cold d

17、rawn to conform to aspecified temper.4.1.4 Fully Finished:4.1.4.1 Welded tube with internal and external flash re-moved by scarfing and subsequently cold drawn over amandrel and annealed as necessary to conform to the specifiedtemper.4.1.4.2 Welded tube that has been mechanically workedsmooth withou

18、t the need for internal or external scarfing orother metal removal and subsequently cold drawn over amandrel and annealed as necessary to conform to the specifiedsize and temper.5. Ordering Information5.1 Include the following information when placing ordersfor product under this specification, as a

19、pplicable:5.1.1 ASTM designation and year of issue,5.1.2 Copper UNS No. designation (for example, C10300),5.1.3 Tube type (Classification, 4),5.1.4 Internal flash treatment (see 6.2.4),5.1.5 Temper (Section 8),5.1.6 Dimensions; diameter, wall thickness, length, and soforth (Section 14),5.1.7 How fur

20、nished; straight length or coil,5.1.8 Quantity; total weight or number of pieces or coilseach copper, tube type, size, and temper, and5.1.9 When product is purchased for electrical conductorapplication (Section 10).5.2 The following are options available under this specifi-cation and shall be specif

21、ied in the contract or purchase orderwhen required:5.2.1 Heat identification or traceability details (see 6.1.2),5.2.2 Microscopical examination microphotographs (see12.1),5.2.3 Hydrogen embrittlement susceptibility test (Section12.2),5.2.4 Hydrostatic test (see 13.2),5.2.5 Pneumatic test (see 13.3)

22、,5.2.6 Certification (Section 23), and5.2.7 Test Report (Section 24).6. Material and Manufacture6.1 Material:6.1.1 The material of manufacture shall be sheet or strip ofone of the Copper UNS Nos. listed in 1.1 of such purity andsoundness as to be suitable for processing into the productsprescribed h

23、erein.6.1.2 In the event heat identification or traceability isrequired, the purchaser shall specify the details desired.NOTE 1Due to the discontinuous nature of the processing of castingsinto wrought products, it is not always practical to identify a specificcasting analysis with a specific quantit

24、y of finished material.6.2 Manufacture:6.2.1 The product shall be manufactured by forming thematerial into a tubular shape on a suitable forming mill.6.2.2 Welding shall be accomplished by any process thatproduces forge or fusion welds leaving no crevice in the weldseam visible to the unaided eye.6.

25、2.2.1 Forge-Welded TubeThe edges of the strip shall beheated to the required welding temperature, usually by ahigh-frequency electric current and be pressed firmly togethercausing a forged-type joint to be formed with internal andexternal flash.6.2.2.2 Fusion-Welded TubeThe edges of the strip shall

26、bebrought together and welded, usually by a GTAW weldingprocess, without the addition of filler metal, causing a fusion-type joint to be formed with no internal or external flash.6.2.3 Flash RemovalThe external flash of forge weldedtube shall be removed by scarfing and the internal flash shall betre

27、ated by one of the following techniques:6.2.3.1 IFIInternal flash to remain in the as-welded con-dition.6.2.3.2 IFRInternal flash to be removed by scarfing.6.2.3.3 IFDInternal flash displaced by rolling or drawing.6.2.4 Unless otherwise specified in the contract or purchaseorder, the welded tube sha

28、ll be furnished with the internal flashin the IFI condition.7. Chemical Composition7.1 The material shall conform to the chemical composi-tional requirements in Table 1 for the Copper UNS No.designation specified in the ordering information.7.1.1 The composition limits do not preclude the presenceof

29、 other elements. By agreement between the manufacturer andthe purchaser, limits may be established and analysis requiredfor unnamed elements.TABLE 1 Chemical RequirementsCopperUNS No.Composition, %Copper,AminPhosphorus ArsenicMin Max Min MaxC10100 99.99B,C. . . .C10200 99.95D. . . .C10300 99.95E0.00

30、1 0.005 . .C10800 99.95E0.005 0.012 . .C11000 99.90 . . . .C12000 99.90 0.004 0.012 . .C12200 99.9 0.015 0.040 . .C14200 99.4 0.015 0.040 0.15 0.50ACopper (including silver).BThis value is exclusive of silver and shall be determined by difference of“impurity total” from 100 %. “Impurity total” is de

31、fined as the sum of sulfur, silver,lead, tin, bismuth, arsenic, antimony, iron, nickel, zinc, phosphorus, selenium,tellurium, manganese, cadmium, and oxygen present in the sample.CImpurity maximums for C10100 shall be: antimony 4, arsenic 5, bismuth 1,cadmium 1, iron 10, lead 5, manganese 0.5, nicke

32、l 10, oxygen 5, phosphorus 3,selenium 3, silver 25, sulfur 15, tellurium 2, tin 2, and zinc 1.DOxygen in C10200 shall be 10 ppm max.ECopper + silver + phosphorus.B4470728. Temper8.1 Tempers, as defined in Classification B 601,ofthevarious tube types are as follows:8.1.1 As-Welded:8.1.1.1 As-welded f

33、rom annealed strip WM50,8.1.1.2 As-welded from half hard strip WM02, and8.1.1.3 As-welded from hard strip WM04.8.1.2 Welded and Annealed:8.1.2.1 Welded and soft annealed W060, and8.1.2.2 Welded and light annealed W050.8.1.3 Welded and Cold Drawn:8.1.3.1 Welded and drawn eighth hard WH00,8.1.3.2 Weld

34、ed and drawn half hard WH02, and8.1.3.3 Welded and hard drawn WH04.8.1.4 Fully Finished:8.1.4.1 Fully finished, soft annealed O60,8.1.4.2 Fully finished, light annealed O50,8.1.4.3 Fully finished, light drawn H55,8.1.4.4 Fully finished, drawn general purpose H58, and8.1.4.5 Fully finished, hard draw

35、n H80.9. Grain Size for Annealed Welded Tube and AnnealedFully Finished Welded Tube9.1 Grain size shall be the standard requirement for allproduct in the annealed tempers.9.2 Acceptance or rejection based upon grain size shalldepend only on the average grain size of a test specimen takenfrom each of

36、 two sample portions, and each specimen shall bewithin the limits prescribed in Table 2 when determined inaccordance with Test Methods E112.10. Physical Properties10.1 Electrical Resistivity Requirements:10.1.1 Product purchased for electrical conductor applica-tions and when specified in the contra

37、ct or purchase order, theproduct purchsed shall conform to the electrical mass resistiv-ity requirements in Table 3 for the copper and temper specifiedin the ordering information when tested in accordance withSpecification B 193.NOTE 2The International Annealed Copper Standard eletrical con-ductivit

38、y equivalents are given in Appendix X2Appendix X2.11. Mechanical Property Requirements11.1 Tensile Strength Requirements:11.1.1 As welded, welded and cold drawn, and fully fin-ished tube in drawn tempers shall conform with the tensilestrength requirements prescribed in Table 4 when tested inaccordan

39、ce with Test Methods E8.11.1.2 Acceptance or rejection based on mechanical prop-erties shall depend only on tensile strength.11.2 Rockwell Hardness Requirements:11.2.1 The approximate Rockwell hardness values given inTable 2 and Table 4 are for general information and assistancein testing and shall

40、not be used as a basis for product rejection.NOTE 3The Rockwell hardness test offers a quick and convenientmethod for checking general conformity to the specification requirementsfor temper, tensile strength, and grain size.12. Performance Requirements12.1 Microscopical Examination12.1.1 Tubes produ

41、ced of coppers C10100, C10200,C10300, and C12000 shall be free of cuprous oxide asdetermined by Procedure A of Test Methods B 577.12.1.2 When specified in the ordering information, micro-photographs of the manufactures test specimens shall beprovided (see 5.2.2).12.2 Hydrogen Embrittlement Susceptib

42、ility Test12.2.1 Samples of Coppers UNS Nos. C10100, C10200,C10300, C10800, C12000, C12200, and C14200 shall becapable of passing the embrittlement test of Procedure B ofTest Methods B 577. The actual performance of this test is notmandatory under the terms of this specification unless specifiedat t

43、he time of ordering. In case of a dispute, a referee methodin accordance with Procedure C shall be used.12.3 Expansion Test Requirements12.3.1 Product in annealed tempers shall be capable ofwithstanding expansion in accordance with Test Method B 153to the following extent:Outside Diameterin. (mm)Exp

44、ansion of Outside Diameter,Percent (%)Up to34 (19.0) and under 40Over34 (19.0) 3012.3.2 The expanded tube area shall show no cracks orruptures visible to the unaided eye.TABLE 2 Property Requirements of Annealed Welded Tube and Annealed Fully Finished Welded TubeTemperOutside Diameter,in.Wall Thickn

45、ess,in. (mm)Approximate Rockwell HardnessAAverage GrainSize, mmScale ValueSoft anneal, (O60) all 0.016 (0.406)0.035 (0.889), incl. 15T 60 max 0.040 minover 0.035 (0.889) F 50 max 0.040 minLight anneal, (O50) all 0.016 (0.406)0.035 (0.889), incl. 15T 65 max 0.040 maxover 0.035 (0.889) F 55 max 0.040

46、maxARockwell hardness value shall apply only to tube having a wall thickness 0.016 in. (0.406 mm) or over and to tube having an inside diameter of516 in. (7.94-mm) orover. For all other tube, no Rockwell values shall apply. Rockwell hardness tests shall be made on the inside surface of the tube. If

47、suitable equipment is not available fordetermining the specified Rockwell hardness requirements in this specification, then other Rockwell scales and values shall be specified, subject to agreement betweenmanufacturer, or supplier and purchaser. On welded and annealed tube, the Rockwell hardness tes

48、t shall not be taken at the weld.TABLE 3 Electrical ResistivityTempersElectrical Resistivity, max, Vg/m2Copper Alloy UNS Nos.C10100 C10200C10300andC12000C11000 C12000Annealed 0.151 76 0.153 28 0.156 14 0.153 28 0.170 31Drawn 0.156 14 0.157 37 0.159 40 0.157 75 0.174 18B44707313. Other Requirements13

49、.1 Electromagnetic (Eddy-Current) Test:13.1.1 Each tube up to and including 318-in. (79.4-mm)outside diameter, shall be passed through an eddy-currenttesting unit adjusted to provide information on the suitability ofthe tube for the intended application.13.1.2 Fully finished tube shall be tested in either the finaldrawn or annealed temper or in the drawn temper before thefinal anneal, unless otherwise agreed upon between the manu-facturer and the purchaser.13.1.3 Welded and annealed tube shall be tested in theas-welded condition before annealing, unless