1、Designation:B500(Reapproved 2005)Standard Specification forHigh Conductivity Tough-Pitch Copper Refinery Shapes1This standard is issued under the fixed designation B 5; the number immediately following the designation indicates the year of originaladoption or, in the case of revision, the year of la
2、st revision. A number in parentheses indicates the year of last reapproval. A superscriptepsilon (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 re
3、quirements for highconductivity, tough-pitch, copper wire bars, cakes, slabs, bil-lets, ingots, and ingot bars.1.2 Copper under this specification corresponds to thedesignations “ETP” (UNS C11000) and “FRHC” (UNSC11020) as shown in Classification B 224. These coppers mayalso be used to produce coppe
4、rs corresponding to the follow-ing:Copper UNS No. Classification B 224 DesignationC11300, C11400, C11500, and C11600 STPC12000 DLPC12200 DHPC12300 DHPSC14500 DPTE1.3 Although this specification includes certain UNS desig-nations as described in Practice E 527, these designations arefor cross referen
5、ce only and are not specification requirements.Therefore, in case of conflict, this ASTM specification shallgovern.1.4 UnitsThe values stated in inch-pound units are thestandard, except for electrical resistivity, which is expressed inSI units. The values given in parentheses are mathematicalconvers
6、ions to SI units, which are provided for informationonly, and are not considered the standard.2. Referenced Documents2.1 ASTM Standards:2B 193 Test Method for Resistivity of Electrical ConductorMaterialsB 224 Classification of CoppersB 846 Terminology for Copper and Copper AlloysE29 Practice for Usi
7、ng Significant Digits in Test Data toDetermine Conformance with SpecificationsE53 Test Method for Determination of Copper in Unal-loyed Copper by GravimetryE 255 Practice for Sampling Copper and Copper Alloys forDetermination of Chemical CompositionE 478 Test Methods for Chemical Analysis of CopperA
8、lloysE 527 Practice for Numbering Metals and Alloys (UNS)3. Terminology3.1 For definitions of terms related to this specification,refer to Classification B 224 and Terminology B 846.4. Ordering Information4.1 Include the following information, as applicable:4.1.1 ASTM Specification Designation and y
9、ear of issue,4.1.2 Copper UNS No. Designation,4.1.3 Quantity, shape, and dimension of each piece, andweight,4.1.4 Should cakes, slabs, or billets be ordered for electricaluse, it must be stated in the contract or purchase order, and4.1.5 Silver content in silver-bearing shapes when required,in troy
10、oz per short ton.5. Chemical Composition5.1 The copper in all shapes shall meet the minimumrequirement for copper, including silver, of 99.90 %.5.1.1 These composition limits do not preclude the presenceof other elements. Limits for unnamed elements may beestablished, and analysis required, by agree
11、ment between thesupplier and the purchaser.5.2 For the STP (silver-bearing) coppers, the addition ofsilver up to an average of 30 troy oz per short ton (0.10 %) willbe considered within the specification, with no individual silveranalysis to exceed 35 troy oz per short ton (0.12 %).6. Physical Prope
12、rty Requirements6.1 Electrical Resistivity:1This specification is under the jurisdiction ofASTM Committee B05 on Copperand Copper Alloys and is the direct responsibility of Subcommittee B05.07 onRefined Copper.Current edition approved Oct. 1, 2005. Published October 2005. Originallyapproved in 1911.
13、 Last previous edition approved in 2000 as B500.2For referenced ASTM standards, visit 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 o
14、f Changes section appears at the end of this standard.Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.6.1.1 The maximum mass resistivity for wire bars, cakes,slabs, and billets for electrical use shall be 0.153 28 Vg/m2(conductivity 1
15、00.0 % minimum, International AnnealedCopper Standard, (IACS), at 68F (20C), annealed.6.1.2 The maximum mass resistivity for other uses shall be0.156 94 Vg/m2(conductivity 97.66 % minimum IACS), at68F (20C), annealed.6.1.3 The maximum mass resistivity for ingots and ingotbars shall be 0.156 94 Vg/m2
16、(conductivity 97.66 % minimumIACS), at 68F (20C), annealed.7. Dimensions, Mass, and Permissible Variations7.1 Standard Sizes and Shapes of Wire Bars:7.1.1 One size of mold shall be used for casting 200- to230-lb (91- to 104-kg) wire bars, the bottom width of thesebars to be 312 in. (89 mm), the list
17、ed weights being 200 and225 lbs (91 to 102 kg) (Fig. 1).7.1.2 One size of mold shall be used for casting 240- to300-lb (109- to 136-kg) wire bars, the bottom width of thesebars to be 4 in. (102 mm), the listed weights being 250, 265,275, and 300 lbs (113, 120, 125, and 136 kg) (Fig. 2).7.1.3 All bar
18、s shall be 54 in. (1.372 m) in length. The sidedraft or taper shall be38 in. (9.5 mm) in 4 in. (316 in. (4.8 mm)in 4 in. on each side of the bar). The radius of the corners at thebottom of the bars shall be58 in. (15.9 mm). The end taper atthe bottom shall be 6 in. (152.4 mm) in overall length andap
19、proximately 2 in. (50.8 mm)/ft (304.8 mm). The end taper ofthe side shall be approximately 214 in. (57.1 mm)/ft and theend of the bar shall be approximately 338 in. (85.7 mm) indepth at the point.7.1.4 Wire bars not conforming to the requirements of Fig.1 or Fig. 2, but otherwise meeting the require
20、ments of thisspecification, may be supplied by agreement between manu-facturer and the purchaser.7.2 Permissible Variations in Weight and DimensionsApermissible variation of 65 % in weight or 614 in. (6.3 mm)in any dimension from the manufacturers published list or thepurchasers specified size shall
21、 be considered good delivery;provided, however, that wire bars may vary in length 61%from the listed or specified length, and cakes may vary 63%from the listed or specified size in any dimension greater than8 in. (203.2 mm). The weight of copper in ingots and ingot barsshall not exceed that specifie
22、d by more than 10 %, butotherwise its variation is not important.8. Workmanship, Finish, and Appearance8.1 Wire bars, cakes, slabs, and billets shall be substantiallyfree of shrink holes, cold sets, pits, sloppy edges, concave tops,and similar defects in set or casting. This requirement shall notapp
23、ly to ingots or ingot bars, in which physical defects are ofno consequence.8.2 Blemishes of a nature that do not interfere with theintended application are acceptable.Inch-PoundUnitsSI UnitsInch-PoundUnitsSI Units316 in. 4.763 mm 378 in. 98 mm58 in. 15.875 mm 4 in. 102 mm1 in. 25.4 mm 6 in. 152.4 mm
24、112 in. 38.1 mm 12 in. 304.8 mm214 in. 57.15 mm 54 in. 1.372 m312 in. 89 mm 200 lbs 91 kg358 in. 92 mm 225 lbs 102 kgFIG. 1 Copper Wire Bars, 200 and 225 lbsB500(2005)29. Sampling9.1 For routine sampling, the sampling practice shall be atthe discretion of the sampler.9.2 In case of dispute, a lot sh
25、all consist of all pieces thesame shape and size bearing a common single identifyingnumber.9.3 Chemical CompositionIn case of dispute concerningchemical composition, sampling shall be in accordance withPractice E 255.9.4 Electrical ResistivityIn case of dispute concerning theelectrical resistivity,
26、each party shall select two pieces from thelot. In the presence of both parties, and by means mutuallyagreeable, a single sample of adequate size shall be cut fromeach of the four pieces and fabricated into a wire.10. Number of Tests and Retest10.1 Number of Tests:10.1.1 The chemical composition sha
27、ll be determined as themean of the results from at least three replicate analyses.10.1.2 The mass resistivity shall be determined as the meanof the observations from the test on the four wires.10.2 RetestIn case of dispute, one retest may be made forchemical composition determined as the mean of the
28、 resultsfrom replicate analyses. In case of dispute concerning electricalresistivity, 9.4 and 11.2 shall apply.10.3 Umpire Test:10.3.1 In the case in which the retest does not settle thedispute, further retest may be made by a qualified third-partylaboratory agreeable to the producer and the purchas
29、er. Theretest shall be made on the sample set aside for that purpose.10.3.2 The umpire provision does not preclude other con-tractual agreements.11. Specimen Preparation11.1 Chemical AnalysisThe preparation of the analyticalspecimen is the responsibility of the reporting laboratory.11.2 Electrical R
30、esistivity:11.2.1 Each test sample shall be fabricated into a rod.11.2.2 The external oxide shall be removed and the rod colddrawn into a wire approximately 0.080 in. (2 mm) in diameter.11.2.3 Each wire coil shall be cut into four wires ofapproximately the same length, and the sixteen wires thusobta
31、ined shall be individually identified. The sixteen wiresshall be divided into four groups of four wires each, one wirefrom each of the four originally selected pieces; one group eachfor the producer, the purchaser, contingencies, and the umpire.11.2.4 The resulting specimen shall be annealed in an i
32、nertatmosphere at approximately 932F (500C) for 30 min andquickly cooled to ambient temperature in the same inertatmosphere.12. Test Methods12.1 For routine testing, the methods of test shall be at thediscretion of the reporting laboratory.12.1.1 The test method(s) to be followed for determinationof
33、 element(s) resulting from contractual or purchase-orderagreement shall be as agreed upon between the supplier andpurchaser.Inch-PoundUnitsSI UnitsInch-PoundUnitsSI Units316 in. 4.763 mm 434 in. 121 mm58 in. 15.875 mm 6 in. 152.4 mm1 in. 25.4 mm 12 in. 304.8 mm112 in. 38.1 mm 54 in. 1.372 m214 in. 5
34、7.15 mm 250 lbs 113 kg4 in. 102 mm 265 lbs 120 kg4316 in. 107 mm 275 lbs 125 kg438 in. 111 mm 300 lbs 136 kgFIG. 2 Copper Wire Bars, 250, 265, 275, and 300 lbsB500(2005)312.2 In case of dispute concerning the minimum coppercontent, the method of analysis shall be in accordance with TestMethod E53.12
35、.3 In case of dispute concerning silver content of silver-bearing shapes, the method of analysis shall be in accordancewith Test Methods E 478.12.4 In case of dispute concerning the electrical resistivity,the method of test shall be in accordance with Test MethodB 193.13. Significance of Numerical L
36、imits13.1 Calculated values shall be rounded to the specifiednumber of places in accordance with Practice E29.14. Inspection14.1 The manufacturer or supplier shall inspect and maketests necessary to verify the product furnished conforms tospecification requirements.15. Rejection and Rehearing15.1 Re
37、jectionProduct that fails to conform to the require-ments of this specification is subject to rejection. Rejection isto be reported to the producer or supplier promptly and inwriting. In case of dissatisfaction with the reasons for rejection,the producer or supplier may make claim for a rehearing.15
38、.1.1 Rejection shall be considered as follows:15.1.1.1 Chemical composition and electrical resistivity bylots.15.1.1.2 Physical defects by individual pieces.15.1.1.3 Variations in weight or dimension by individualpieces.15.2 RehearingAs a result of product rejection, the sup-plier may make claim for
39、 retest to be conducted by theproducer or supplier and the purchaser. Samples of the rejectedproduct shall be taken in accordance with this specification, oralternately, upon agreement by both parties, an independentlaboratory may be selected for the tests using this specificationprescribed test met
40、hods.16. Product Marking16.1 Each wire bar, cake, slab, and billet shall be stamped,or otherwise identified, with the producers brand and lot.16.2 Ingots and ingot bars shall have the producers brandstamped, or cast in, but need have no other number.17. Packaging and Package Marking17.1 The manufact
41、urer shall arrange rail-car loads, truckloads, or other shipping units so that, as far as possible, eachshipping unit shall contain pieces bearing a single identifyinglot number.17.2 In case of dispute, a lot shall consist of all pieces of thesame shape and size bearing the same identifying number.1
42、8. Keywords18.1 billets; cakes; electrolytic copper; electrorefined cop-per; electrowon copper; fire-refined copper; high-conductivitycopper; ingots; ingot bars; refinery shapes; slabs; tough-pitchcopper; wire barsSUMMARY OF CHANGESThis section identifies changes to this specification that have been
43、 incorporated since the 1995 approval date:(1) The Referenced Documents section has been expanded toinclude Terminology B 846.(2) The Terminology, Ordering Information, Workmanship,Finish, and Appearance, Number of Tests and Retests, Speci-men Preparation, Significance of Numerical Limits, Rejection
44、and Rehearing, and Keywords sections have been modified,have had items removed, and/or have been expanded.(3) The Inspection section has been replaced with recom-mended ASTM Form and Style Book language.(4) The Purchase for U.S. Government section and Supplemen-tary Requirements have been deleted.AS
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46、ntirely their own responsibility.This standard is subject to revision at any time by the responsible technical committee and must be reviewed every five years andif not revised, either reapproved or withdrawn. Your comments are invited either for revision of this standard or for additional standards
47、and should be addressed to ASTM International Headquarters. Your comments will receive careful consideration at a meeting of theresponsible technical committee, which you may attend. If you feel that your comments have not received a fair hearing you shouldmake your views known to the ASTM Committee
48、 on Standards, at the address shown below.This standard is copyrighted by ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959,United States. Individual reprints (single or multiple copies) of this standard may be obtained by contacting ASTM at the aboveaddress or at 610-832-9585 (phone), 610-832-9555 (fax), or serviceastm.org (e-mail); or through the ASTM website(www.astm.org).B500(2005)4
