1、Designation: B99/B99M 11Standard Specification forCopper-Silicon Alloy Wire for General Applications1This standard is issued under the fixed designation B99/B99M; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, the year of last rev
2、ision. A number in parentheses indicates the year of last reapproval. Asuperscript epsilon () 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 requireme
3、nts forround, rectangular, and square wire for general applicationsother than for electrical transmission cable. The alloys in-volved are UNS Nos. C65100 and C65500.1.2 UnitsValues stated in either inch-pound units or SIunits are to be regarded separately as standard. Within the text,SI units are sh
4、own in brackets. The values stated in eachsystem may not be exact equivalents; therefore, each systemshall be used independently of the other. Combining valuesfrom the two systems may result in nonconformance with thestandard.2. Referenced Documents2.1 ASTM Standards:2B250/B250M Specification for Ge
5、neral Requirements forWrought Copper Alloy WireE8/E8M Test Methods for Tension Testing of MetallicMaterialsE62 Test Methods for Chemical Analysis of Copper andCopper Alloys (Photometric Methods)3E112 Test Methods for Determining Average Grain SizeE478 Test Methods for ChemicalAnalysis of CopperAlloy
6、s3. General Requirements3.1 The following sections of Specification B250/B250Mconstitute a part of this specification.3.1.1 Terminology,3.1.2 Materials and Manufacture,3.1.3 Workmanship, Finish, and Appearance,3.1.4 Sampling,3.1.5 Number of Tests and Retests,3.1.6 Specimen Preparation,3.1.7 Test Met
7、hods,3.1.8 Significance of Numerical Limits,3.1.9 Inspection,3.1.10 Rejection and Rehearing,3.1.11 Certification,3.1.12 Mill Test Report,3.1.13 Packaging and Package Marking, and3.1.14 Supplementary Requirements.3.2 In addition, when a section with a title identical to thatreferenced in 3.1, above,
8、appears in this specification, itcontains additional requirements which supplement those ap-pearing in Specification B250/B250M.4. Ordering Information4.1 Include the following information when placing ordersfor product under this specification, as applicable:4.1.1 ASTM designation and year of issue
9、,4.1.2 Copper Alloy UNS No.,4.1.3 Temper,4.1.4 Dimensions (diameter, distance between parallel sur-faces, width, and thickness),4.1.5 How furnished (coil, reel, and so forth),4.1.6 Total weight of each size, and4.1.7 If product is purchased for agencies of the U.S.government (see the Supplementary R
10、equirements section ofSpecification B250/B250M).4.2 The following options are available and should bespecified at the time of placing of the order when required:4.2.1 Heat identification or traceability details,4.2.2 Certification,4.2.3 Mill test reports, and4.2.4 Special packaging and package marki
11、ngs.5. Chemical Composition5.1 The product shall conform to the chemical compositionrequirements in Table 1 for the Copper Alloy UNS No.designation specified in the ordering information.1This specification is under the jurisdiction ofASTM Committee B05 on Copperand Copper Alloys and is the direct re
12、sponsibility of Subcommittee B05.02 on Rod,Bar, Wire, Shapes and Forgings.Current edition approved Oct. 1, 2011. Published November 2011. Originallyapproved in 1935. Last previous edition approved in 2006 as B99/B99M 06. DOI:10.1520/B0099_B0099M-11.2For referenced ASTM standards, visit the ASTM webs
13、ite, 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.3Withdrawn. The last approved version of this historical standard is referencedon www.astm.org.1*A Summary of Ch
14、anges 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.5.1.1 These composition limits do not preclude the presenceof other elements. By agreement between the manufacturer andthe purchaser, li
15、mits may be established and analysis requiredfor unnamed elements.5.2 For alloys in which copper is listed as “remainder,”copper is the difference between the sum of results for allelements determined and 100 %.5.3 When all elements in Table 1 are determined, the sum ofresults shall be 99.5 % min.6.
16、 Temper6.1 The standard tempers for products described in thisspecification are given in Table 2.6.1.1 Product made to H04 (full hard) temper is generallynot available in sizes larger than 0.500 in. 12 mm in diameteror distance between parallel faces.6.1.2 Product made to H08 (spring) temper is gene
17、rally notavailable in sizes larger than 0.250 in. 6 mm in diameter ordistance between parallel faces.7. Grain Size for Annealed Temper7.1 Grain size shall be the standard requirement for allproduct in annealed temper.7.2 The average grain size of O61 (annealed) temper wireshall not exceed 0.040 mm,
18、but the wire must be completelyrecrystallized.7.3 Acceptance or rejection based upon grain size shalldepend only on the average grain size of test specimens takenfrom each of two sample portions and each specimen shall bewithin the limits prescribed in 7.2 when determined in accor-dance with Test Me
19、thods E112.8. Mechanical Property Requirements8.1 Tensile Strength Requirements:8.1.1 Product furnished under this specification shall con-form to the tensile requirements prescribed in Table 2, whentested in accordance with Test Methods E8/E8M.9. Performance Requirements9.1 Bending Requirements:9.1
20、.1 Wire in sizes up to 0.250 in. 6 mm inclusiveproduced to this specification shall be capable of being bent orwrapped one full turn (360) around its own diameter, ordistance between parallel faces, without developing cracks orother flaws visible to the unaided eye on the outside surface ofthe bend.
21、NOTE 1Test specimens that include brazed or welded areas shall notbe used for bend test purposes.10. Dimensions, Mass, and Permissible Variations10.1 The dimensions and tolerances for product describedby this specification shall be as specified in SpecificationB250/B250M with particular reference to
22、 the following tablesand related paragraphs in that specification:10.1.1 Diameter or Distance Between Parallel Surfaces:10.1.1.1 Copper Alloy UNS No. C65100Table 1.10.1.1.2 Copper Alloy UNS No. C65500Table 2.10.1.2 Thickness:10.1.2.1 Copper Alloy UNS No. C65100Table 3.10.1.2.2 Copper Alloy UNS No. C
23、65500Table 4.10.1.3 Width:10.1.3.1 Copper Alloy UNS No. C65100Table 5.10.1.3.2 Copper Alloy UNS No. C65500Table 6.TABLE 1 Chemical RequirementsComposition, % maxCopper Alloy UNS No.C65100 C65500Copper (incl silver) remainder remainderLead 0.05 0.05Iron 0.8 0.8Zinc 1.5 1.5Manganese 0.7 0.501.3Silicon
24、 0.82.0 2.83.8Nickel (incl cobalt) . 0.6TABLE 2 Mechanical RequirementsTemper Tensile Strength Elongation in 2 in. 50 mmmin % , for Wire Over0.500 in. 12 mmin DiameterCode Name ksi MPaCopper Alloy UNS No. C65100O61 annealed 3855 260380 40H00 eighth-hard 5065 345450 20H01 quarter-hard 6075 415515 15H
25、02 half-hard 7595 515655 10H04 hardA90110 620760 8H08 springB100 min 690 min 6Copper Alloy UNS No. C65500O61 annealed 5570 380485 47H00 eighth-hard 6278 425540 28H01 quarter-hard 7290 495620 18H02 half-hard 90110 620760 10H04 hardA115135 790930 6H08 springB130 min 900 min 4AHard (H04) temper is not
26、generally available in sizes over 0.500 in. 12 mm.BSpring (H08) temper is not generally available in sizes over 0.250 in. 6 mm.B99/B99M 11211. Test Methods11.1 Chemical Analysis:11.1.1 In cases of disagreement, determine the compositionusing the following methods:Element MethodsCopper E478Silicon E6
27、2Lead E478 (AA)Iron E478Zinc E478 (titrametric)Nickel E478 (photometric)Manganese E6211.1.2 Test method(s) to be followed for the determinationof elements resulting from contractual or purchase orderagreement shall be as agreed upon between the manufacturer orsupplier and the purchaser.12. Keywords1
28、2.1 copper-silicon alloy wire; general purpose wire; non-electrical wire; UNS C65100 wire; UNS C65500 wireSUMMARY OF CHANGESCommittee B05 has identified the principal changes to this specification that have been incorporated since the2006 issue as follows:(1) Editorial changes were made in accordanc
29、e with B950.ASTM 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 of such
30、 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 additi
31、onal 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
32、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 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). Permission rights to photocopy the standard may also be secured from the ASTM website (www.astm.org/COPYRIGHT/).B99/B99M 113
