1、Designation: B 206/B206M 07Standard Specification forCopper-Nickel-Zinc (Nickel Silver) Wire and Copper-NickelAlloy Wire1This standard is issued under the fixed designation B 206/B206M; the number immediately following the designation indicates the yearof original adoption or, in the case of revisio
2、n, the year of last revision. A number in parentheses indicates the year of last reapproval.A superscript epsilon (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 e
3、stablishes the requirements for wirein round, hexagonal, octagonal, rectangular, and square form ofUNS Alloy Nos. C71000, C74500, C75200, C75700, C76400,C77000, and C79200.1.2 This specification is general in that the product is used inmany applications where the requirements are too particular tobe
4、 specified by standard test results.1.2.1 For particular or critical applications it is advisable forthe purchaser to submit samples or drawings to the manufac-turer to secure an adjustment of anneal or temper to suit theapplication for which the product is intended.1.3 The following information is
5、intended to assist thepurchaser 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. C76400and C77000.1.3.3 For ease of machiningUNS Alloy No. C79200.1.4 The values stated in inch-p
6、ound units or SI units are tobe regarded separately as standard. Within the text, SI units areshown in brackets. The values in each system may not be exactequivalents; therefore, each system shall be used independentlyof the other. Combining values from the two systems mayresult in nonconformance wi
7、th the standard.2. Referenced Documents2.1 ASTM Standards:2B 250/B 250M Specification for General Requirements forWrought Copper Alloy WireB 601 Classification for Temper Designations for Copperand Copper AlloysWrought and CastB 846 Terminology for Copper and Copper AlloysE8 Test Methods for Tension
8、 Testing of Metallic MaterialsE8M Test Methods for Tension Testing of Metallic Mate-rials MetricE62 Test Methods for Chemical Analysis of Copper andCopper Alloys (Photometric Methods)E112 Test Methods for Determining Average Grain SizeE 478 Test Methods for Chemical Analysis of CopperAlloys3. Genera
9、l Requirements3.1 The following sections of Specification B 250/B 250Mconstitute 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 Sampling3.1.5 Number of Tests and Retests,3.1.6 Specimen Preparation,3.1.7 Test Methods,3.1.8
10、 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 section with a title identical to oneof those referenced in 3.1 appears
11、in this specification, itcontains additional requirements that supplement those whichappear in Specification B 250/B 250M.4. Terminology4.1 For the definition of general terms related to copper andcopper alloys, refer to Terminology B 846.5. Ordering Information5.1 Include the following information
12、when placing pur-chase orders or contracts for products to this specification:5.1.1 ASTM designation and year of issue,5.1.2 Copper Alloy UNS No. (Section 1),1This specification is under the jurisdiction ofASTM Committee B05 on Copperand Copper Alloys and is the direct responsibility of Subcommittee
13、 B05.02 on Rod,Bar, Wire, Shapes and Forgings.Current edition approved April 1, 2007. Published April 2007. Originallyapproved in 1946. Last previous edition approved in 2002 as B 206/B 206M 97(2002).2For referenced ASTM standards, visit the ASTM website, www.astm.org, orcontact ASTM Customer Servic
14、e at serviceastm.org. For Annual Book of ASTMStandards volume information, refer to the standards 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-
15、2959, United States.5.1.3 Temper designation (Section 8),5.1.4 QuantityTotal weight or length or number of piecesof each temper, form, or alloy.5.1.5 DimensionsDiameter, distance between parallelfaces,5.1.6 How furnishedspecific lengths, coils, reels, and soforth, and5.1.7 When product is purchased
16、for agencies of the U.S.Government (B 250/B 250M).5.2 The following options are available to this specificationand should be specified in the contract or purchase order whenrequired:5.2.1 Heat identification or traceability details,5.2.2 Certification (B 250/B 250M), and5.2.3 Mill Test Reports (B 25
17、0/B 250M).6. Material and Manufacture6.1 MaterialThe material shall be made from cast orwrought billets, logs or rods of Copper Alloy UNS Nos.C71000, C74500, C75200, C75700, C76400, C77000, orC79200, and shall be of such soundness and structure as toenable them to be processed into the desired produ
18、ct.6.2 ManufactureThe product shall be manufactured bysuch hot-working, cold-working, straightening, coiling or reel-ing and annealing processing needed to produce a uniformwrought structure and obtain the finish properties specified inthe purchase order or contract.7. Chemical Composition7.1 The ma
19、terial shall conform to the chemical composi-tional requirements in Table 1 for the Copper Alloy UNS No.specified in the ordering information:7.1.1 These compositional limits do not preclude the pres-ence of other elements. When required, limits may be estab-lished and analysis required for unnamed
20、elements by agree-ment between the supplier and the purchaser.7.2 For UNS No. C71000, in which copper is listed as theremainder, the copper content may be determined as thedifference between the sum of results for all elements analyzedand 100 %.7.3 For those copper alloys in which zinc is specified
21、as theremainder, either copper or zinc may be taken as the differencebetween the sum of all elements analyzed and 100 %. Whencopper is so determined, that difference value shall conform tothe requirements given in Table 1.7.4 When all elements listed in Table 1 for the CopperAlloyUNS No. prescribed
22、in the ordering information are deter-mined, the sum of results shall be 99.5 % minimum.8. Temper8.1 Tempers, as defined in Classification B 601, available tothis specification are as prescribed in Table 2, Table 3, andTable 4 in the various alloys and sizes listed.8.2 Hexagonal, octagonal, rectangu
23、lar, and square wire arenormally furnished in H01 (quarter-hard) temper.8.3 UNS Alloy Nos. C76400 and C77000 are normallyfurnished in the H04 (hard), H08 (spring), or H14 (extraspring) tempers.9. Grain Size for Annealed Wire9.1 Product furnished in the OS (annealed) condition shallconform to the req
24、uirements specified in Table 4 for the temperand Copper Alloy UNS No. designated in the ordering infor-mation, when tested in accordance with Test Methods E112.9.1.1 Grain size shall be the standard temper test for productordered in the OS (annealed) condition and acceptance orrejection based upon g
25、rain size shall depend upon the averagegrain 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 through6.0 mm in diameter of the Copper Alloy UNS No. specified inthe ordering information shall conform to th
26、e requirements ofTable 2 or Table 3 for the prescribed H (cold-worked) temperordered.10.1.1.1 Tensile strength shall be the standard temper testfor round wire in the size range noted above when ordered inthe H (cold-worked) condition. Acceptance or rejection basedupon mechanical properties shall dep
27、end upon the tensile testresults obtained when tested in accordance with Test MethodsE8orE8M.10.1.2 Requirements for round wire in sizes smaller than0.020 in. 0.50 mm or larger than 0.250 in. 6.0 mm shall beby agreement between the supplier and the purchaser.10.1.3 Requirements for wire other than r
28、ound shall be byagreement 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 radiusequ
29、al to the diameter or distance between parallel surfaces ofthe wire, without developing cracks or other flaws visible to theunaided eye.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
30、1.0 1.0 maxC74500 63.5-66.5 9.0-11.0 0.05 max 0.25 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.
31、5 11.0-13.0 0.8-1.4 0.25 0.50 remainderB 206/B206M 07212. Dimensions, Mass and Permissible Variations12.1 Refer to the appropriate paragraphs in SpecificationB 250/B 250M with particular reference to the followingtables:12.1.1 Diameter or Distance Between Parallel SurfacesTable 2,12.1.2 Thickness, T
32、able 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 Material composition shall, in case of dispute, bedetermined as follows:Element Test MethodCopper E 478Nickel and Cobalt E 478 (Gravimetric)Lead E 478 (AA)Iron E
33、478Manganese E62Zinc (1 % max) E 478 (AA)Zinc (1 %) E 478 (Titrimetric)13.1.2 Test Method(s) to be followed for the determinationof elements required by contractual or purchase order agree-ment shall be as agreed upon between the supplier and thepurchaser.14. Keywords14.1 copper-alloy wire; copper-n
34、ickel wire; general purposewire; high strength wire; nickel silver wire; non-electrical wire;UNS No. C71000 wire; UNS No. C74500 wire; UNS No.TABLE 2 Mechanical Requirements for Round Wire 0.020 to 0.250 in., Inclusive, in DiameterTemper DesignationTensile Strength, ksiCopper Alloy UNS No.Code Tempe
35、r Name C71000 C74500 and C75700 C75200C76400 andC77000C79200H01 quarter-hard 55 73 68 74 7072 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 m
36、in . 125 min .Over 0.0625 to 0.125 in., incl 85 min 120 min . 120 min .Over 0.125 to 0.250 in., incl 83 min 112 min . 120 min .H14 super spring0.020 to 0.040 in. 100 . . . .115 . . . .TABLE 3 Mechanical Requirements for Round Wire 0.50 to 6.0 mm, Inclusive, in DiameterTemper DesignationTensile Stren
37、gth, MPaCopper Alloy UNS No.Code Temper Name C71000C74500 andC75700C75200C76400andC77000C79200H01 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 715635 850 765 885 850H08 springOver 0.50 to 0.65 mm, incl 620 min 900 min
38、 . 900 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 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 . . . .TABLE 4 Grain Size Requirements for Annealed WireCopper Alloy UNS No.
39、 TemperGrain Size, mmNominal Minimum MaximumC71000 OS015 0.015 . 0.030C71000 OS035 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 0.10
40、0B 206/B206M 073C75200 wire; UNS No. C76400 wire; UNS No. C77000 wire;UNS No. C79200 wireSUMMARY OF CHANGESCommittee B05 has identified the location of selected changes to this standard since the last issue(B 206/B 206M 97 (2002) that may impact the use of this standard (approved April 1, 2007).(1)
41、Minor editing to conform to the B05 Outline of Form.(2) Several changes in 12 to reference the correct tables inASTM B 250/B 250M.(3) Terminology sections 3.2 and 3.2.1 were deleted as term“unaided eye” is now in B 846.(4) Reordered and renumbered Sections 3, 4, and 9.ASTM International takes no pos
42、ition 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 responsibil
43、ity.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 standardsand should be addressed to AS
44、TM 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
45、 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).B 206/B206M 074
