ASTM B99ASTM B99M-01一般用途的铜硅合金线

Designation: B 99/B 99M – 01

Standard Speci?cation for

Copper-Silicon Alloy Wire for General Applications1
This standard is issued under the ?xed designation B 99/B 99M; the number immediately following the designation indicates the year of original adoption or, in the case of revision, 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 speci?cation establishes the requirements for round, rectangular, and square wire for general applications other than for electrical transmission cable. The alloys involved are UNS Nos. C65100 and C65500. 1.2 Units—The values stated in inch-pound units or SI units are to be regarded separately as standard. Within the text, SI units are shown in brackets. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in nonconformance with the standard. 2. Referenced Documents 2.1 ASTM Standards: B 250 Speci?cation for General Requirements for Wrought Copper-Alloy Wire2 B 250M Speci?cation for General Requirements for Wrought Copper-Alloy Wire [Metric]2 B 601 Classi?cation for Temper Designations for Copper and Copper-Alloys—Wrought and Cast2 E 8 Test Methods for Tension Testing of Metallic Materials3 E 8M Test Methods for Tension Testing of Metallic Materials (Metric)3 E 62 Test Methods for Chemical Analysis of Copper and Copper-Alloys (Photometric Methods)4 E 112 Test Methods for Determining the Average Grain Size3 E 478 Test Methods for Chemical Analysis of Copper Alloys5 3. General Requirements 3.1 The following sections of Speci?cation B 250 or B 250M constitute a part of this speci?cation.
1 This speci?cation 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, Shapes, and Forgings. Current edition approved April 10, 2001. Published August 2001. Originally published as B 99 – 35T. Last previous edition B 99 – 96. 2 Annual Book of ASTM Standards, Vol 02.01. 3 Annual Book of ASTM Standards, Vol 03.01. 4 Annual Book of ASTM Standards, Vol 03.05. 5 Annual Book of ASTM Standards, Vol 03.06.

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 Methods, 3.1.8 Signi?cance of Numerical Limits, 3.1.9 Inspection, 3.1.10 Rejection and Rehearing, 3.1.11 Certi?cation, 3.1.12 Mill Test Report, 3.1.13 Packaging and Package Marking, and 3.1.14 Supplementary Requirements. 3.2 In addition, when a section with a title identical to that referenced in 3.1 appears in this speci?cation, it contains additional requirements which supplement those that appear in Speci?cation B 250 or B 250M. 4. Ordering Information 4.1 Include the following information in orders for product: 4.1.1 ASTM designation and year of issue, 4.1.2 Copper Alloy UNS No., 4.1.3 Temper, 4.1.4 Dimensions (diameter, distance between parallel surfaces, width, and thickness), 4.1.5 How furnished (coil, reel, and so forth), 4.1.6 Total weight of each size, and 4.1.7 When product is purchased for agencies of the U.S. government. 4.2 The following options are available to this speci?cation and should be speci?ed in the contract or purchase order when required: 4.2.1 Heat identi?cation or traceability details, 4.2.2 Certi?cation, 4.2.3 Mill test reports, and 4.2.4 Special packaging and package markings. 5. Chemical Composition 5.1 The material shall conform to the chemical compositional requirements in Table 1 for the Copper Alloy UNS No.

*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.

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B 99/B 99M
TABLE 1 Chemical Requirements
Composition, % max Copper Alloy UNS No. C65100 Copper (incl silver) Lead Iron Zinc Manganese Silicon Nickel remainder 0.05 0.8 1.5 0.7 0.8–2.0 ... C65500 remainder 0.05 0.8 1.5 0.50–1.3 2.8–3.8 0.6

7.3 Acceptance or rejection based upon grain size shall depend only on the average grain size of test specimens taken from each of two sample portions and each specimen shall be within the limits prescribed in 7.2 when determined in accordance with Test Methods E 112. 8. Mechanical Property Requirements 8.1 Tensile Strength Requirements: 8.1.1 Product furnished under this speci?cation shall conform to the tensile requirements prescribed in Table 2, when tested in accordance with Test Methods E 8 or E 8M. 9. Performance Requirements 9.1 Bending Requirements: 9.1.1 Wire in sizes up to 0.250 in. [6 mm] inclusive produced to this speci?cation shall be capable of being bent or wrapped one full turn (360°) around its own diameter, or distance between parallel faces, without developing cracks or other ?aws visible to the unaided eye on the outside surface of the bend.
NOTE 1—Test specimens that include brazed or welded areas shall not be used for bend test purposes.

designation speci?ed in the ordering information. 5.1.1 These compositional limits do not preclude the presence of other elements. When required, limits may be established and analysis required for unnamed elements by agreement between the manufacturer and the purchaser. 5.2 Copper listed as the remainder is the difference between the sum of results for all elements determined and 100 %. 5.3 When all elements listed in Table 1 for the Copper Alloy UNS No. prescribed in the ordering information are determined, the sum of results shall be 99.5 % min. 6. Temper 6.1 Tempers, as de?ned in Classi?cation B 601, available under this speci?cation are O61 (annealed), H00 (1?8 hard), H01 (1?4 hard), H02 (1?2 hard), H04 (full hard), and H08 (spring). 6.1.1 Product made to H04 (full hard) temper is generally not available in sizes larger than 0.500 in. [12 mm] in diameter or distance between parallel faces. 6.1.2 Product made to H08 (spring) temper is generally not available in sizes larger than 0.250 in. [6 mm] in diameter or distance between parallel faces. 7. Grain Size for Annealed Temper 7.1 Grain size shall be the standard requirement for all product in annealed temper. 7.2 The average grain size of O61 (annealed) temper wire shall not exceed 0.040 mm, but the wire must be completely recrystallized.

10. Dimensions, Mass, and Permissible Variations 10.1 The dimensions and tolerances for product described in this speci?cation shall be as speci?ed in Speci?cation B 250 or B 250M with particular reference to the following tables in those speci?cations: 10.1.1 Diameter or Distance Between Parallel Surfaces: 10.1.1.1 Copper Alloy UNS No. C65100—Table 1. 10.1.1.2 Copper Alloy UNS No. C65500—Table 2. 10.1.2 Thickness: 10.1.2.1 Copper Alloy UNS No. C65100—Table 3. 10.1.2.2 Copper Alloy UNS No. C65500—Table 4 of B 250 or Table 3 of B 250M. 10.1.3 Width: 10.1.3.1 Copper Alloy UNS No. C65100—Table 5 of B 250 or Table 4 of B 250M. 10.1.3.2 Copper Alloy UNS No. C65500—Table 6 of B 250 or Table 4 of B 250M.

TABLE 2 Mechanical Requirements
Temper Standard Name ksi Copper Alloy UNS No. C65100 O61 H00 H01 H02 H04 H08 annealed eighth-hard quarter-hard half-hard hardA springB 38–55 50–65 60–75 75–95 90–110 100 min Copper Alloy UNS No. C65500 O61 H00 H01 H02 H04 H08
A B

Tensile Strength MPa

Elongation in 2 in. [50 mm] min % , for Wire Over 0.500 in. [12 mm] in Diameter

260–380 345–450 415–515 515–655 620–760 690 min

40 20 15 10 8 6

annealed eighth-hard quarter-hard half-hard hardA springB

55–70 62–78 72–90 90–110 115–135 130 min

380–485 425–540 495–620 620–760 790–930 900 min

47 28 18 10 6 4

Hard (H04) temper is not generally available in sizes over 0.500 in. [12 mm]. Spring (H08) temper is not generally available in sizes over 0.250 in. [6 mm].

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B 99/B 99M
11. Test Methods 11.1 Chemical Analysis: 11.1.1 Composition shall be determined, in case of dispute, as follows:
Element Copper Silicon Lead Iron Zinc Nickel Methods E 478 E 62 E 478 (AA) E 478 E 478 (titrametric) E 478 (photometric) Manganese E 62

11.1.2 Test method(s) to be followed for the determination of elements resulting from contractual or purchase order agreement shall be as agreed upon between the manufacturer or supplier and the purchaser. 12. Keywords 12.1 copper-silicon alloy wire; general purpose wire; nonelectrical wire; UNS C65100 wire; UNS C65500 wire

SUMMARY OF CHANGES Committee B05 has identi?ed the location of selected changes to this standard since the last issue (B 99/B 99M – 96) that may impact the use of this standard. (1) Ordering Information section has been changed for clarity. (2) Tolerance references have been added for square and rectangular wire. (3) Chemical analysis test methods have been updated. (4) Other changes made to conform to the ASTM Form and Style guidelines.

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