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ASTM B910/B910M-07

Current Revision

Standard Specification for Annealed Copper-Clad Steel Wire

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1.1 This specification covers bare round copper-clad steel for the following applications: electrical, electronic, grounding, telecommunications, and other applications.

1.2 Four conductivities are covered as follows: 21, 30, 40, and 70 %.

1.3 Temper is designated as annealed.

1.4 The values stated in inch-pound or SI units are to be regarded separately as the standard. Each system shall be used independently of the other. Combining values from the two systems may result in nonconformance with the specification. For conductor sizes designated by AWG, the requirements in SI units have been numerically converted from corresponding values stated or derived in inch-pound units. For conductor sizes designated by SI units only, the requirements are stated or derived in SI units.

The following precautionary statement pertains to the test method portion only, Section , of this specification: This standard does not purport to address all of the safety concerns, if any associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.


This specification covers annealed bare round copper-clad steel wire for the following applications: electrical, electronic, grounding, telecommunications, and other applications. Four types of copper-clad steel wires according to their electrical conductivities are included. 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-clad steel wire shall conform to the specified requirements for: tensile strength, elongation, dimension (diameter), adhesion and surface defects, joints, finish, copper thickness, density, and electrical resistivity. Methods for measurement, inspection, and testing such as torsion (twist) test are detailed.


SDO ASTM: ASTM International
Document Number B910
Publication Date Oct. 1, 2007
Language en - English
Page Count 4
Revision Level 07
Supercedes
Committee B01.06
Publish Date Document Id Type View
Oct. 1, 2007 B0910_B0910M-07 Revision
March 1, 2006 B0910_B0910M-06 Revision
April 1, 2004 B0910_B0910M-04 Revision
Oct. 10, 2002 B0910_B0910M-02 Revision
Oct. 10, 2000 B0910_B0910M-00 Revision
Oct. 1, 2023 B0910_B0910M-07R23 Reaffirmation
Oct. 1, 2018 B0910_B0910M-07R18 Reaffirmation
April 1, 2013 B0910_B0910M-07R13 Reaffirmation