ASTM B250/B250M-01

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Designation: B 250/B 250M – 01
Standard Specification for
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General Requirements for Wrought Copper Alloy Wire
This standard is issued under the fixed designation B 250/B 250M; 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.
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1. Scope * B 846 Terminology for Copper and Copper Alloys
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E 3 Practice for Preparation of Metallographic Specimens
1.1 This specification establishes requirements common to
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E 8 Test Methods forTensionTesting of Metallic Materials
wrought copper alloy wire and shall apply to Specifications
E 8M Test Methods for Tension Testing of Metallic Mate-
B 16/B 16M, B 99/B 99M, B 134/B 134M, B 159/B 159M,
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rials [Metric]
B 197/B 197M, B 206/B 206M, B 272, and B 301/B 301M to
E 18 Test Methods for Rockwell Hardness and Rockwell
the extent referenced therein.
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Superficial Hardness of Metallic Materials
1.2 The chemical composition, physical and mechanical
E 18M Test Methods for Rockwell Hardness and Rockwell
properties, and all other requirements not included in this
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Superficial Hardness of Metallic Materials [Metric]
specification shall be prescribed in the product specification.
E 29 Practice for Using Significant Digits in Test Data to
1.3 Units—The values stated in either SI units or inch-
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Determine Conformance with Specifications
pound units are to be regarded separately as standard. The
E 54 Test Methods for Chemical Analysis of Special
values stated in each system may not be exact equivalents;
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Brasses and Bronzes
therefore,eachsystemshallbeusedindependentlyoftheother.
E 62 Test Methods for Chemical Analysis of Copper and
Combining values from the two systems may result in non-
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Copper Alloys (Photometric Methods)
conformance with the standard.
E 75 Test Methods for ChemicalAnalysis of Copper-Nickel
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2. Referenced Documents
and Copper-Nickel-Zinc Alloys
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E 112 Test Methods for Determining Average Grain Size
2.1 ASTM Standards:
E 118 Test Methods for Chemical Analysis of Copper-
B 16/B 16M Specification for Free-Cutting Brass Rod, Bar,
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2
Chromium Alloys
and Shapes for Use in Screw Machines
E 121 Test Methods for Chemical Analysis of Copper-
B 99/B 99M Specification for Copper-Silicon Alloy Wire
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2
Tellurium Alloys
for General Applications
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E 255 Practice for Sampling Copper and CopperAlloys for
B 134/B 134M Specification for Brass Wire
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2
the Determination of Chemical Composition
B 159/B 159M Specification for Phosphor Bronze Wire
E 478 Test Methods for Chemical Analysis of Copper
B 193 Test Method for Resistivity of Electrical Conductor
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3
Alloys
Materials
E 581 Test Methods for Chemical Analysis of Manganese-
B 194 Copper-Beryllium Alloy Plate, Strip, Sheet, and
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2
Copper Alloys
Rolled Bar
B 197/B 197M Specification for Copper-Beryllium Alloy
3. Terminology
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Wire
3.1 For definitions of terms related to copper and copper
B 206/B 206M Specification for Copper-Nickel-Zinc Alloy
2 alloys, refer to Terminology B 846.
(Nickel Silver) Wire and Copper-Nickel Alloy Wire
B 272 Specification for Copper Flat Products with Finished
4. Materials and Manufacture
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(Rolled or Drawn) Edges (Flat Wire and Strip)
4.1 Materials:
B 301/B 301M Specification for Free-Cutting Copper Rod
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4.1.1 The materials shall conform to the published compo-
and Bar
sitional requirements of the Copper Alloy UNS No. designa-
tion specified in the ordering information.
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ThisspecificationisunderthejurisdictionofASTMCommitteeB05onCopper
and CopperAlloys and is the direct responsibility of Subcommittee B05.02 on Rod,
Bar, Wire, Shapes, and Forgings.
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Current edition approved Nov. 10, 2001. Published February 2002. Originally Annual Book of ASTM Standards, Vol 03.01.
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published as B 250 – 51 T. Last previous edition B 250 – 95. Annual Book of ASTM Standards, Vol 14.02.
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Annual Book of ASTM Standards, Vol 02.01. Annual Book of ASTM Standards, Vol 03.05.
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Annual Book of ASTM Standards, Vol 02.03. Annual Book of ASTM Standards, Vol 03.06.
*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 250/B 250M – 01
TABLE 1 Tolerances for Diameter or Distance Between Parallel
4.1.2 In the event heat identification or traceability is
Surfaces of Wire
required, the purchaser shall specify the details desired.
(Applicable to Specifications B 16/B 16M, B 99/B 99M Copper Alloy
UNS No. C65100, B 134/B 134M, and B 301/B 301M.)
NOTE 1—Because of the discontinuous n
...