1、Designation: B206/B206M 07 B206/B206M 12Standard Specification forCopper-Nickel-Zinc (Nickel Silver) Wire and Copper-NickelAlloy Wire 1This standard is issued under the fixed designation B206/B206M; the number immediately following the designation indicates the yearof original adoption or, in the ca
2、se of revision, the year of last revision. A number in parentheses indicates the year of last reapproval.A superscript 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 spe
3、cification establishes the requirements for wire in round, hexagonal, octagonal, rectangular, and square form of UNSAlloy Nos. C71000, C74500, C75200, C75700, C76400, C77000, and C79200.1.2 This specification is general in that the product is used in many applications where the requirements are too
4、particular tobe specified by standard test results.1.2.1 For particular or critical applications it is advisable for the purchaser to submit samples or drawings to the manufacturerto secure an adjustment of anneal or temper to suit the application for which the product is intended.1.3 The following
5、information is intended to assist the purchaser in the application of this specification:1.3.1 For most general applicationsUNS Alloy Nos. C71000, C74500, C75200, and C75700.1.3.2 For hard or spring tempersUNS Alloy Nos. C76400 and C77000.1.3.3 For ease of machiningUNS Alloy No. C79200.1.4 UnitsThe
6、values Values stated in either inch-pound units or SI units are to be regarded separately as standard. Within thetext, SI units are shown in brackets. The values stated in each system may not be exact equivalents; therefore, each system shallbe used independently of the other. Combining values from
7、the two systems may result in nonconformance with the standard.2. Referenced Documents2.1 ASTM Standards:2B250/B250M Specification for General Requirements for Wrought Copper Alloy WireB601 Classification for Temper Designations for Copper and Copper AlloysWrought and CastB846 Terminology for Copper
8、 and Copper AlloysE8B950 Test Methods for Tension Testing of Metallic MaterialsGuide for Editorial Procedures and Form of ProductSpecifications for Copper and Copper AlloysE8ME8/E8M Test Methods for Tension Testing of Metallic Materials Metric (Withdrawn 2008)E62 Test Methods for Chemical Analysis o
9、f Copper and Copper Alloys (Photometric Methods) (Withdrawn 2010)3E112 Test Methods for Determining Average Grain SizeE478 Test Methods for Chemical Analysis of Copper Alloys3. General Requirements3.1 The following sections of Specification B250/B250M constitute a part of this specification:3.1.1 Te
10、rminology,3.1.2 Materials and Manufacture,3.1.3 Workmanship, Finish and Appearance,3.1.4 Sampling3.1.5 Number of Tests and Retests,1 This specification is under the jurisdiction of ASTM Committee B05 on Copper and Copper Alloys and is the direct responsibility of Subcommittee B05.02 on Rod, Bar,Wire
11、, Shapes and Forgings.Current edition approved April 1, 2007Oct. 1, 2012. Published April 2007November 2012. Originally approved in 1946. Last previous edition approved in 20022007 asB206/B206M 97B206/B206M 07.(2002). DOI: 10.1520/B0206_B0206M-07.10.1520/B0206_B0206M-12.2 For referenced ASTM standar
12、ds, visit the ASTM website, www.astm.org, or contact ASTM Customer Service at serviceastm.org. For Annual Book of ASTM Standardsvolume information, refer to the standards Document Summary page on the ASTM website.3 The last approved version of this historical standard is referenced on www.astm.org.T
13、his document is not an ASTM standard and is intended only to provide the user of an ASTM standard an indication of what changes have been made to the previous version. Becauseit may not be technically possible to adequately depict all changes accurately, ASTM recommends that users consult prior edit
14、ions as appropriate. In all cases only the current versionof the standard as published by ASTM is to be considered the official document.*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
15、. United States13.1.6 Specimen Preparation,3.1.7 Test Methods,3.1.8 Significance of Numerical Limits,3.1.9 Inspection,3.1.10 Rejection and Rehearing,3.1.11 Certification,3.1.12 Test Reports (Mill),3.1.13 Packaging and Package Marking, and3.1.14 Supplemental Requirements.3.2 In addition, when a secti
16、on with a title identical to one of those referenced in 3.1 appears in this specification, it containsadditional requirements that supplement those which appear in Specification B250/B250M.4. Terminology4.1 For the definition of general terms related to copper and copper alloys, refer to Terminology
17、 B846.5. Ordering Information5.1 Include the following information specified choices when placing purchase orders or contracts for products to thisspecification:under this specification, as applicable:5.1.1 ASTM designation and year of issue,5.1.2 Copper Alloy UNS No. (Section 1),5.1.3 Temper design
18、ation (Section 8),5.1.4 QuantityTotal weight or length or number of pieces of each temper, form, or alloy.5.1.5 DimensionsDiameter, distance between parallel faces,surfaces,5.1.6 How furnishedspecific lengths, coils, reels, and so forth, and5.1.7 When product is purchased for agencies of the U.S. Go
19、vernment (Intended application.B250/B250M).5.2 The following options are available to this specification and should be specified in the contract or purchase order but maynot be included unless specified at the time of placing of the order, when required:5.2.1 Heat identification or traceability deta
20、ils,5.2.2 Certification (B250/B250M), and5.2.3 Mill Test Reports (B250/B250M).5.2.4 If product is purchased for agencies of the U.S. Government (B250/B250M).6. Material and Manufacture6.1 MaterialThe material shall be made from cast or wrought billets, logs or rods of Copper Alloy UNS Nos. C71000,C7
21、4500, C75200, C75700, C76400, C77000, or C79200, and shall be of such soundness and structure as to enable them to beprocessed into the desired product.6.1.1 When specified in the contract or purchase order, that heat identification or traceability is required, the purchaser shallspecify the details
22、 required.6.2 ManufactureThe product shall be manufactured by such hot-working, cold-working, straightening, coiling or reeling andannealing processing needed to produce a uniform wrought structure and obtain the finish properties specified in the purchase orderor contract.7. Chemical Composition7.1
23、 The material shall conform to the chemical compositionalcomposition requirements in Table 1 for the Copper Alloy UNSNo. specified in the ordering information:7.1.1 These compositionalcomposition limits do not preclude the presence of other elements. When required, limits may beestablished and analy
24、sis required for unnamed elements by agreement between the supplier and the purchaser.TABLE 1 Chemical RequirementsCopper Alloy UNSNo.Composition, %Copper Nickel (incl cobalt) Lead Iron, max Manganese, max ZincC71000 remainder 19.0-23.0 0.05 max 1.0 1.0 1.0 maxC74500 63.5-66.5 9.0-11.0 0.05 max 0.25
25、 0.50 remainderC75200 63.0-66.5 16.5-19.5 0.05 max 0.25 0.50 remainderC75700 63.5-66.5 11.0-13.0 0.05 max 0.25 0.50 remainderC76400 58.5-61.5 16.5-19.5 0.05 max 0.25 0.50 remainderC77000 53.5-56.5 16.5-19.5 0.05 max 0.25 0.50 remainderC79200 59.0-66.5 11.0-13.0 0.8-1.4 0.25 0.50 remainderB206/B206M
26、1227.2 For UNS No. C71000, in which copper is listed as the remainder, the copper content may be determined as the differencebetween the sum of results for all elements analyzed and 100 %.7.3 For those copper alloys in which zinc is specified as the remainder, either copper or zinc may be taken as t
27、he differencebetween the sum of all elements analyzed and 100 %. When copper is so determined, that difference value shall conform to therequirements given in Table 1.7.4 When all elements listed in Table 1 for the Copper Alloy UNS No. prescribed in the ordering information are determined,the sum of
28、 results shall be 99.5 % minimum.8. Temper8.1 Tempers, as defined in Classification B601, available to this specification are as prescribed in Table 2, Table 3, and Table4 in the various alloys and sizes listed.8.2 Hexagonal, octagonal, rectangular, and square wire are normally furnished in H01 (qua
29、rter-hard) temper.8.3 UNS Alloy Nos. C76400 and C77000 are normally furnished in the H04 (hard), H08 (spring), or H14 (extra spring) tempers.9. Grain Size for Annealed Wire9.1 Product furnished in the OS (annealed) condition shall conform to the requirements specified in Table 4 for the temper andCo
30、pper Alloy UNS No. designated in the ordering information, when tested in accordance with Test Methods E112.9.1.1 Grain size shall be the standard temper test requirement for product ordered in the OS (annealed) condition and acceptanceor rejection based upon grain size shall depend upon the average
31、 grain size test results obtained.10. Mechanical Property Requirements10.1 Tensile Strength Requirements :10.1.1 Round wire 0.020 through 0.250 in. 0.50 through 6.0 mm in diameter of the Copper Alloy UNS No. specified in theordering information shall conform to the requirements of Table 2 or Table 3
32、 for the prescribed H (cold-worked) temper ordered.10.1.1.1 Tensile strength shall be the standard temper test for round wire in the size range noted above when ordered in the H(cold-worked) condition. Acceptance or rejection based upon mechanical properties shall depend upon the tensile test result
33、sobtained when tested in accordance with Test Methods E8E8/E8M or E8M.10.1.2 Requirements for round wire in sizes smaller than 0.020 in. 0.50 mm or larger than 0.250 in. 6.0 mm shall be byagreement between the supplier and the purchaser.10.1.3 Requirements for wire other than round shall be by agree
34、ment between the supplier and the purchaser.11. Performance Requirements11.1 Bending Requirements:11.1.1 Wire of tempers H04 (hard), H08 (spring), and H14 (extra spring) in sizes up to 0.250 in. 6 mm inclusive, shallwithstand being bent cold through an angle of 120 on a radius equal to the diameter
35、or distance between parallel surfaces of thewire, without developing cracks or other flaws visible to the unaided eye.12. Dimensions, Mass and Permissible Variations12.1 Refer to the appropriate paragraphs in Specification B250/B250M with particular reference to the following tables:12.1.1 Diameter
36、or Distance Between Parallel SurfacesTable 2,TABLE 2 Mechanical Requirements for Round Wire 0.020 to 0.250 in., Inclusive, in DiameterTemper Designation Tensile Strength, ksiCopper Alloy UNS No.Code Temper Name C71000 C74500 and C75700 C75200 C76400 andC77000 C79200H01 quarter-hard 55 73 68 74 7072
37、88 84 93 90H02 half-hard 67 88 83 92 9083 103 97 110 110H04 hard 77 108 99 112 10492 123 111 128 124H08 spring0.020 to 0.0253 in., incl 90 min 130 min . 130 min .Over 0.0253 to 0.0625 in., incl 88 min 125 min . 125 min .Over 0.0625 to 0.125 in., incl 85 min 120 min . 120 min .Over 0.125 to 0.250 in.
38、, incl 83 min 112 min . 120 min .H14 super spring0.020 to 0.040 in. 100 . . . .115 . . . .B206/B206M 12312.1.2 Thickness, Table 4,12.1.3 Width, Table 6,12.1.4 Length, Tables 7 and 8, and12.1.5 Straightness, Table 9.13. Test Methods13.1 Chemical Analysis:13.1.1 In cases of disagreement test methods f
39、or chemical analysis shall be subject to agreement between the manufacturer orsupplier and the purchaser.13.1.2 Material composition shall, in case of dispute, be determined as follows:The following table is a list of published testmethods, some of which are considered by ASTM as noElement Test Meth
40、odCopper E478Nickel and Cobalt E478 (Gravimetric)Lead E478 (AA)Iron E478Manganese E62Zinc (1 % max) E478 (AA)Zinc (1 %) E478 (Titrimetric)longer viable. These and others not listed may be used subject to agreement.TABLE 3 Mechanical Requirements for Round Wire 0.50 to 6.0 mm, Inclusive, in DiameterT
41、emper Designation Tensile Strength, MPaCopper Alloy UNS No.Code Temper Name C71000 C74500 andC75700 C75200C76400andC77000C79200H01 quarter-hard 380 505 470 510 485495 605 580 640 620H02 half-hard 460 605 570 635 620570 710 670 760 760H04 hard 530 740 685 770 715H04 hard 530 745 685 770 715635 850 76
42、5 885 850635 850 765 885 855H08 springOver 0.50 to 0.65 mm, incl 620 min 900 min . 900 min .Over 0.50 to 0.65 mm, incl 620 min 895 min . 895 min .Over 0.65 to 1.60 mm, incl 605 min 860 min . 860 min .Over 1.60 to 3.0 mm, incl 585 min 830 min . 830 min .Over 1.60 to 3.0 mm, incl 585 min 825 min . 825
43、 min .Over 3.0 to 6.0 mm, incl 570 min 770 min . 830 min .H14 super spring 690 . . . .0.50 to 1.0 mm, incl 790 . . . .0.50 to 1.0 mm, incl 795 . . . .TABLE 4 Grain Size Requirements for Annealed WireCopper Alloy UNS No. Temper Grain Size, mmNominal Minimum MaximumC71000 OS015 0.015 . 0.030C71000 OS0
44、35 0.035 0.025 0.050C74500, C75200,C75700, C76400,C77000, and C79200OS015 0.015 . 0.030C74500, C75200,C75700, C76400,C77000, and C79200OS035 0.035 0.025 0.050C74500, C75200,C75700, C76400, andC77000OS070 0.070 0.050 0.100B206/B206M 124Element Test MethodCopper E478Nickel and Cobalt E478 (Gravimetric
45、)Lead E478 (AA)Iron E478Manganese E62Zinc (1 % max) E478 (AA)Zinc (1 %) E478 (Titrimetric)13.1.3 Test Method(s) to be followed for the determination of elements required by contractual or purchase order agreementshall be as agreed upon between the supplier and the purchaser.14. Keywords14.1 copper-a
46、lloy wire; copper-nickel wire; general purpose wire; high strength wire; nickel silver wire; non-electrical wire;UNS No. C71000 wire; UNS No. C74500 wire; UNS No. C75200 wire; UNS No. C76400 wire; UNS No. C77000 wire; UNS No.C79200 wireSUMMARY OF CHANGESCommittee B05 has identified the location of s
47、elected principal changes to this standardspecification since thelast2007 issue (asB206/B206M 97 (2002) that may impact the use of this standard (approved April 1,2007).follows:(1) Minor editing to conform to theStandard B05 OutlineGuide B950 of Form.for Editorial Procedures.(2) Several Made a few c
48、hanges in 12 to reference the correct tables in ASTMthe Metric Tensile Strengths to B250/B250M.conform to Rational (within 5 Mpa) rounding.(3) Terminology sections 3.2 and 3.2.1 were deleted as term “unaided eye” is now in B846.(4) Reordered and renumbered Sections 3, 4, and 9.ASTM International tak
49、es 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 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
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