ASTM-B452 › Historical Revision Information
Standard Specification for Copper-Clad Steel Wire for Electronic Application

ASTM-B452 - 2009 EDITION - SUPERSEDED
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This specification covers bare round copper-clad steel wire for electronic application. Four classes of copper-clad steel wire are covered as Class 30HS, 30A, 40HS, and 40A. The wire shall consist of a core of homogeneous open-hearth, electric-furnace, or basic-oxygen steel with a continuous outer cladding of copper thoroughly bonded to the core throughout. The copper-lad steel wire shall conform to the tensile strength and elongation requirements. Electrical resistivity test shall be performed at a specified temperature of each class of wire and shall not exceed the values prescribed in this specification. Dimensional measurements shall be made with a micrometer caliper and shall withstand torsion test without fracturing. Copper cladding to the steel of each of the four specimens shall conform to the adhesion criterion. Surface finish shall meet the required allowable number of defects.

ORDER

Scope

1.1 This specification covers bare round copper-clad steel wire for electronic application.

1.2 Four classes of copper-clad steel wire are covered as follows:

1.2.1 Class 30HS—Nominal 30 % conductivity hard-drawn,

1.2.2 Class 30A—Nominal 30 % conductivity annealed,

1.2.3 Class 40HS—Nominal 40 % conductivity hard-drawn, and

1.2.4 Class 40A—Nominal 40 % conductivity annealed.

1.3 The values stated in inch-pound units are to be regarded as the standard. The values given in parentheses are in SI units.

Keywords

clad steel electrical conductor; copper electrical conductor—copper-clad steel; copper-clad steel electrical conductor; electrical conductor; hard drawn copper-clad steel wire; steel wire—copper-clad; Clad steel electrical conductor (copper); Copper-clad steel electrical conductors; Electrical conductors--copper; Hard-drawn copper electrical wire; Steel wire (copper processed); ICS Number Code 29.060.10 (Wires)

To find similar documents by ASTM Volume:

02.03 (Electrical Conductors)

To find similar documents by classification:

29.060.10 (Wires Including electric rods, busbars, etc.)

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Document Number

ASTM-B452-09

Revision Level

2009 EDITION

Status

Superseded

Modification Type

Revision

Publication Date

Nov. 15, 2009

Document Type

Specification

Page Count

5 pages

Committee Number

B01.06