ASTM-B228 › Historical Revision Information
Standard Specification for Concentric-Lay-Stranded Copper-Clad Steel Conductors
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This specification covers bare concentric-lay-stranded conductors made from bare round copper-clad steel wires for general use for electrical purposes. Conductors are classified as follows: Grade 40 HS, Grade 30 HS, and Grade 30 EHS. The numbers and diameters of the wires in the concentric-lay-stranded conductors shall conform to the requirements prescribed. Tests for physical and electrical properties of wires composing concentric-lay-stranded conductors made from copper-clad steel wire shall be made before stranding.
Scope
1.1 This specification covers bare concentric-lay-stranded conductors made from bare round copper-clad steel wires for general use for electrical purposes.
1.2 For the purpose of this specification, conductors are classified as follows: Grade 40 HS, Grade 30 HS, Grade 30 EHS, Grade 40 DSA, and Grade 30 DSA.
The grades covered by this specification correspond to the following commercial designations:
| Grade 40 HS, | High Strength, 40% Conductivity, Hard Drawn |
| Grade 30 HS, | High Strength, 30% Conductivity, Hard Drawn |
| Grade 30 EHS, | Extra High Strength, 30% Conductivity, Hard Drawn |
| Grade 40 DSA, | 40% Conductivity, Dead Soft Annealed |
| Grade 30 DSA, | 30% Conductivity, Dead Soft Annealed |
1.3 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.
1.4 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.
Keywords
clad steel electrical conductor; concentric-lay-stranded copper-clad steel electrical conductor; copper-clad steel electrical conductor; copper electrical conductor—copper-clad steel; copper electrical conductor—stranded; electrical conductor;
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Document Number
ASTM-B228-11a(2016)
Revision Level
2011A R16 EDITION
Status
Superseded
Modification Type
Reapproval
Publication Date
April 1, 2016
Document Type
Specification
Page Count
5 pages
Committee Number
B01.06