1、Designation: B5 16Standard 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 U.S. Department of Defense.1. Scope*1.1 This specification establishes the requirements f
3、or highconductivity, tough-pitch, copper wire bars, cakes, slabs,billets, 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 correspondin
4、g to 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 n
5、ot 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 co
6、nsidered 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 AlloysB950 Guide for Editorial Procedures a
7、nd Form of ProductSpecifications for Copper and Copper AlloysE29 Practice for Using Significant Digits 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 Determ
8、ination of Chemical CompositionE478 Test Methods for Chemical Analysis of Copper AlloysE527 Practice for 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 termsr
9、elated to standard classification of coppers, refer to Classifi-cation B224.4. Ordering Information4.1 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, andweigh
10、t;4.1.4 Should cakes, slabs, or billets be ordered for electricaluse, it must be stated in the contract or purchase order.4.1.5 Silver content in silver-bearing shapes, when required,in troy oz per short ton.5. Materials and Manufacture5.1 Materials:5.1.1 The material of manufacture shall be a form
11、(copperwire bar, cake, slabs, billets, ingots, and ingot bars) of CopperAlloy “ETP” (UNS C11000) or “FRHC” (UNS C11020) ofsuch purity and soundness as to be suitable for processing intothe prescribed herein.5.1.2 When specified in the contract or purchase order thatheat identification or traceabilit
12、y is required, the purchasershall specify the details desired.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, 2016. Published November 2016. Origina
13、llyapproved in 1911. Last previous edition approved in 2011 as B5 11. DOI:10.1520/B0005-16.2For 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 Su
14、mmary 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 States1NOTE 1Due to the discontinuous nature of the processing of castingsinto wrought products, i
15、t is not always practical to identify a specificcasting analysis with a specific quantity of finished material.5.2 Manufacture:5.2.1 The product shall be hot- or cold-worked as to producea uniform wrought structure in the finished product.6. Chemical Composition6.1 The copper in all shapes shall mee
16、t the minimumrequirement for copper, including silver, of 99.90 %.6.1.1 These composition limits do not preclude the presenceof other elements. Limits for unnamed elements may beestablished, and analysis required, by agreement between thesupplier and the purchaser.6.2 For the STP (silver-bearing) co
17、ppers, 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 %).7. Physical Property Requirements7.1 Electrical Resistivity:7.1.1 The maximum mass resistivity
18、for wire bars, cakes,slabs, and billets for electrical use shall be 0.153 28g m2(conductivity 100.00 % minimum, International An-nealed Copper Standard, (IACS), at 68F (20C), annealed.7.1.2 The maximum mass resistivity for other uses shall be0.156 94 g/m2(conductivity 97.66 % minimum IACS), at68F (2
19、0C), annealed.7.1.3 The maximum mass resistivity for ingots and ingotbars shall be 0.156 94 g/m2(conductivity 97.66 % minimumIACS), at 68F (20C), annealed.8. Dimensions, Mass, and Permissible Variations8.1 Standard Sizes and Shapes of Wire Bars:8.1.1 One size of mold shall be used for casting 200- t
20、o230-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 and 102 kg) (Fig. 1).8.1.2 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
21、listed weights being 250, 265,275, and 300 lbs (113, 120, 125, and 136 kg) (Fig. 2).8.1.3 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 thebottom of the bars shall
22、 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) indepth at the point.Inch-Po
23、und Units SI Units Inch-Pound Units SI 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 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 lbsB51628.1.4 W
24、ire 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 themanufacturer and the purchaser.8.2 Permissible Variations in Weight and DimensionsApermissible variation of 65 % in weight or 614 in. (
25、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 any dimension greate
26、r 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.9. Workmanship, Finish, and Appearance9.1 Wire bars, cakes, slabs, and billets shall be substantiallyfree of shrink holes, cold sets, pi
27、ts, 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.9.2 Blemishes of a nature that do not interfere with theintended application are acceptable.10. Sampling10.1 For routine sampl
28、ing, the sampling practice shall be atthe discretion of the sampler.10.2 In case of dispute, a lot shall consist of all pieces thesame shape and size bearing a common single identifyingnumber.10.3 Chemical CompositionIn case of dispute concerningchemical composition, sampling shall be in accordance
29、withPractice E255.10.4 Electrical ResistivityIn case of dispute concerningthe electrical resistivity, each party shall select two pieces fromthe lot. In the presence of both parties, and by means mutuallyagreeable, a single sample of adequate size shall be cut fromeach of the four pieces. See 12.2 f
30、or subsequent specimenpreparation.11. Number of Tests and Retest11.1 Tests:11.1.1 Chemical AnalysisChemical composition shall bedetermined as per the element mean of the results from at leastthree replicate analyses of the sample(s).11.2 Other Tests:11.2.1 Electrical ResistivityThe mass resistivity
31、shall bedetermined as the mean of the observations from the test on thefour wires.11.3 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 electricalresistivity, 10.4 and 12.2 shall apply
32、.Inch-Pound Units SI Units Inch-Pound Units SI 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 kg4316 in. 107 mm 275 lbs 125 kg438 in. 111 mm 300 lbs 136 kgFIG. 2 Cop
33、per Wire Bars, 250, 265, 275, and 300 lbsB516311.4 Umpire Test:11.4.1 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 purp
34、ose.11.4.2 The umpire provision does not preclude other con-tractual agreements.12. Specimen Preparation12.1 Chemical AnalysisThe analytical specimen prepara-tion shall be the responsibility of the reporting laboratory.12.2 Electrical Resistivity:12.2.1 Each test sample for electrical resistivity sh
35、all befabricated into a rod.12.2.2 The external oxide shall be removed and the rod colddrawn into a wire approximately 0.080 in. (2.00 mm) indiameter.12.2.3 Each wire coil shall be cut into four wires ofapproximately the same length, and the sixteen wires thusobtained shall be individually identifie
36、d. 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.12.2.4 The resulting specimen shall be annealed in an inertatmosphere at approximately 932F
37、 (500C) for 30 min andquickly cooled to ambient temperature in the same inertatmosphere.13. Test Methods13.1 The test method used for routine chemical analysis forspecification compliance and preparation of certifications andtest report, when required, shall be at the discretion of thereporting labo
38、ratory.13.1.1 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.13.2 In case of dispute concerning the minimum coppercontent, the method of analysis shall be in accordance w
39、ith TestMethod E53.13.3 In case of dispute concerning silver content of silver-bearing shapes, the method of analysis shall be in accordancewith Test Methods E478.13.4 In case of dispute concerning the electrical resistivity,the method of test shall be in accordance with Test MethodB193.14. Signific
40、ance of Numerical Limits14.1 Calculated values shall be rounded to the specifiednumber of places in accordance with Practice E29.15. Inspection15.1 The manufacturer or supplier shall inspect and maketests necessary to verify the product furnished conforms tospecification requirements.16. Rejection a
41、nd Rehearing16.1 Rejection:16.1.1 Product that fails to conform to the specificationrequirements when tested by the purchaser or purchasers agentshall be subject to rejection.16.1.2 Rejection shall be considered as follows:16.1.2.1 Chemical composition and electrical resistivity bylots. See 10.2 for
42、 the definition of a lot as it pertains to thisspecification.16.1.2.2 Physical defects by individual pieces.16.1.2.3 Variations in weight or dimension by individualpieces.16.1.3 Rejection shall be reported to the manufacturer orsupplier promptly. In addition, a written notification of rejec-tion sha
43、ll follow.16.1.4 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.16.2 RehearingAs a result of product rejection, the manu-facturer or supplier shall have the option to make claim for
44、 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 both parties, an independent labor
45、atory may beselected for the test(s) using the test method(s) specified in theproduct specification.17. Certification17.1 When specified in the purchase order or contract, thepurchaser shall be furnished certification that samples repre-senting each lot have been tested and inspected as directed int
46、his specification and requirements have been met.18. Test Report18.1 When specified in the contract or purchase order, areport of test results shall be furnished.19. Product Marking19.1 Each wire bar, cake, slab, and billet shall be stamped,or otherwise identified, with the producers brand and lot.1
47、9.2 Ingots and ingot bars shall have the producers brandstamped, or cast in, but need have no other number.20. Packaging and Package Marking20.1 The product shall be separated by size and compositionand prepared for shipment by common carrier, in such amanner as to afford protection from the normal
48、hazards oftransportation.20.2 Each shipping unit shall be legibly marked with thepurchase order, metal or alloy designation, size, shape, grossand net weight, and name of supplier.20.3 When specified in the contract or purchase order, theproduct specification number shall be shown.20.4 In case of di
49、spute, a lot shall consist of all pieces of thesame shape and size bearing the same identifying number.B516421. Keywords21.1 billets; cakes; electrolytic copper; electrorefined cop-per; electrowon copper; fire-refined copper; high-conductivitycopper; ingot bars; ingots; refinery shapes; slabs; tough-pitchcopper; wire barsSUMMARY OF CHANGESCommittee B05 has identified the location of selected changes to this standard since the last issue (B5 11)that may impact the use of this standard. (Approved Oct. 1, 2016.)(1) Added Section 5
