1、Designation: B5 11Standard Specification forHigh Conductivity Tough-Pitch Copper Refinery Shapes1This standard is issued under the fixed designation B5; the number immediately following the designation indicates the year of originaladoption or, in the case of revision, the year of last revision. A n
2、umber in parentheses indicates the year of last reapproval. A superscriptepsilon () 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 for hi
3、ghconductivity, 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 B224. These coppers mayalso be used to produce coppers corresponding t
4、o the follow-ing:Copper UNS No. Classification B224 DesignationC11300, C11400, C11500, and C11600 STPC12000 DLPC12200 DHPC12300 DHPSC14520 DPTE1.3 Although this specification includes certain UNS desig-nations as described in Practice E527, these designations arefor cross reference only and are not
5、specification requirements.Therefore, in case of conflict, this ASTM specification shallgovern.1.4 UnitsThe values 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 consi
6、dered standard.1.4.1 ExceptionElectrical resistivity is expressed in SIunits.2. Referenced Documents2.1 ASTM Standards:2B193 Test Method for Resistivity of Electrical ConductorMaterialsB224 Classification of CoppersB846 Terminology for Copper and Copper AlloysE29 Practice for Using Significant Digit
7、s in Test Data toDetermine Conformance with SpecificationsE53 Test Method for Determination of Copper in UnalloyedCopper by GravimetryE255 Practice for Sampling Copper and Copper Alloys forthe Determination of Chemical CompositionE478 Test Methods for ChemicalAnalysis of CopperAlloysE527 Practice fo
8、r Numbering Metals and Alloys in theUnified Numbering System (UNS)3. Terminology3.1 For definitions of terms related to copper and copperalloys, refer to Terminology B846. For definitions of termsrelated to standard classification of coppers, refer to Classifi-cation B224.4. Ordering Information4.1
9、Include the following information, as applicable:4.1.1 ASTM Specification Designation and year 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
10、 or purchase order, and4.1.5 Silver content in silver-bearing shapes when required,in troy 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 oth
11、er elements. Limits for unnamed elements may beestablished, and analysis required, by agreement 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
12、 no individual silveranalysis to exceed 35 troy oz per short ton (0.12 %).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 April 1, 2011. Published May 2011.
13、 Originallyapproved in 1911. Last previous edition approved in 2005 as B5 00 (2005). DOI:10.1520/B0005-11.2For 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 standa
14、rds Document Summary page onthe ASTM website.1*A Summary of 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. Physical Property Requirements6.1 Electrical Resistivity:6.1.1 The maxi
15、mum mass resistivity for wire bars, cakes,slabs, and billets for electrical use shall be 0.153 28 Vg/m2(conductivity 100.00 % 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 % m
16、inimum IACS), at68F (20C), annealed.6.1.3 The maximum mass resistivity for ingots and ingotbars shall be 0.156 94 Vg/m2(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
17、used for casting 200- to230-lb (91- to 104-kg) wire bars, the bottom width of thesebars to be 312 in. (89 mm), the listed 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 b
18、e 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 bars 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 thebo
19、ttom of the bars shall be58 in. (15.9 mm). The end taper atthe bottom shall be 6 in. (152.4 mm) in overall length andapproximately 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) indept
20、h at the point.7.1.4 Wire bars not conforming to the requirements of Fig.1 or Fig. 2, but otherwise meeting the requirements 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
21、 weight or 614 in. (6.3 mm)in any dimension from the manufacturers published list or thepurchasers specified size shall 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
22、any dimension greater than8 in. (203.2 mm). The weight of copper in ingots and ingot barsshall not exceed that specified 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
23、holes, cold sets, pits, sloppy edges, concave tops,and similar defects in set or casting. This requirement shall notapply to ingots or ingot bars, in which physical defects are ofno consequence.Inch-PoundUnitsSI UnitsInch-PoundUnitsSI Units316 in. 4.763 mm 378 in. 98 mm58 in. 15.875 mm 4 in. 102 mm1
24、 in. 25.4 mm 6 in. 152.4 mm112 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 lbsB51128.2 Blemishes of a nature that do not interfere with theintended application are acceptable.9. Sampling9.1 For
25、routine sampling, the sampling practice shall be atthe discretion of the sampler.9.2 In case of dispute, a lot shall 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
26、accordance withPractice E255.9.4 Electrical ResistivityIn case of dispute concerning theelectrical resistivity, 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.
27、See section 11.2 for subsequentspecimen preparation.10. Number of Tests and Retest10.1 Tests:10.1.1 Chemical Analysis-Chemical composition shall bedetermined in accordance with the element mean of the resultsfrom at least three replicate analyses of the sample(s).10.2 Other Tests:10.2.1 Electrical R
28、esistivityThe mass resistivity shall bedetermined as the mean of the observations from the test on thefour wires.10.3 RetestIn case of dispute, one retest may be made forchemical composition determined as the mean of the resultsfrom replicate analyses. In case of dispute concerning electricalresisti
29、vity, 9.4 and 11.2 shall apply.10.4 Umpire Test:10.4.1 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 purchaser. Theretest shall be made on the sample set aside for that purpose.10.4.2 The
30、umpire provision does not preclude other con-tractual agreements.11. Specimen Preparation11.1 Chemical AnalysisThe analytical specimen prepara-tion shall be the responsibility of the reporting laboratory.11.2 Electrical Resistivity:11.2.1 Each test sample for electrical resistivity shall befabricate
31、d into a rod.11.2.2 The external oxide shall be removed and the rod colddrawn into a wire approximately 0.080 in. (2.00 mm) indiameter.11.2.3 Each wire coil shall be cut into four wires ofapproximately the same length, and the sixteen wires thusobtained shall be individually identified. The sixteen
32、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 inertatmosphere at approximately 932F (500C) for 30
33、min andquickly cooled to ambient temperature in the same inertatmosphere.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. 57.15 mm 250 lbs 113 kg4 in. 102 mm 265 lbs 120 kg43
34、16 in. 107 mm 275 lbs 125 kg438 in. 111 mm 300 lbs 136 kgFIG. 2 Copper Wire Bars, 250, 265, 275, and 300 lbsB511312. Test Methods12.1 The test method used for routine chemical analysis forspecification compliance and preparation of certifications andtest report, when required, shall be at the discre
35、tion of thereporting laboratory.12.1.1 The test method(s) to be followed for determinationof element(s) resulting from contractual or purchase-orderagreement shall be as agreed upon between the supplier andpurchaser.12.2 In case of dispute concerning the minimum coppercontent, the method of analysis
36、 shall be in accordance with TestMethod E53.12.3 In case of dispute concerning silver content of silver-bearing shapes, the method of analysis shall be in accordancewith Test Methods E478.12.4 In case of dispute concerning the electrical resistivity,the method of test shall be in accordance with Tes
37、t MethodB193.13. Significance of Numerical Limits13.1 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 req
38、uirements.15. Rejection and Rehearing15.1 Rejection:15.1.1 Product that fails to conform to the specificationrequirements when tested by the purchaser or purchasers agentshall be subject to rejection.15.1.2 Rejection shall be considered as follows:15.1.2.1 Chemical composition and electrical resisti
39、vity bylots. See section 9.2 for the definition of a lot as it pertains tothis specification.15.1.2.2 Physical defects by individual pieces.15.1.2.3 Variations in weight or dimension by individualpieces.15.1.3 Rejection shall be reported to the manufacturer orsupplier promptly. In addition, a writte
40、n notification of rejec-tion shall follow.15.1.4 In case of dissatisfaction with the results of the testupon which rejection is based, the manufacturer or suppliershall have the option to make claim for a rehearing.15.2 RehearingAs a result of product rejection, the manu-facturer or supplier shall h
41、ave the option to make claim for aretest to be conducted by the manufacturer, or supplier and thepurchaser. Samples of the rejected product shall be taken inaccordance with this specification, and subjected to test by bothparties using the test method(s) specified, or alternately, uponagreement of b
42、oth parties, an independent laboratory may beselected for the test(s) using the test method(s) specified in theproduct specification.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 sha
43、ll have the producers brandstamped, or cast in, but need have no other number.17. Packaging and Package Marking17.1 The manufacturer 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 n
44、umber.17.2 In case of dispute, a lot shall consist of all pieces of thesame shape and size bearing the same identifying number.18. Keywords18.1 billets; cakes; electrolytic copper; electrorefined cop-per; electrowon copper; fire-refined copper; high-conductivitycopper; ingots; ingot bars; refinery s
45、hapes; slabs; tough-pitchcopper; wire barsSUMMARY OF CHANGESCommittee B05 has identified the location of selected changes to this standard since the last issue (B5 00(2005) that may impact the use of this standard. (Approved April 1, 2011.)(1) In section 1.2 C14500 has been changed to C14520, thecor
46、rect designation for DPTE.(2) In 6.1.1 100.0% minimum conductivity has been changedto 100.00%.(3) In 11.2.2, 2 mm has been changed to 2.0 mm to beconsistent with other specifications where this sample prepa-ration is cited.(4) Sections 3.1, 9.4, 10, 11, 12, and 15 have been modified toprovide additi
47、onal clarity.B5114ASTM International takes no position respecting the validity of any patent rights asserted in connection with any item mentionedin this standard. Users of this standard are expressly advised that determination of the validity of any such patent rights, and the riskof infringement o
48、f such rights, are entirely 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
49、additional standardsand 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 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
