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ASTM B229-12

Current Revision

Standard Specification for Concentric-Lay-Stranded Copper and Copper-Clad Steel Composite Conductors

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1.1 This specification covers concentric-lay-stranded conductors made from uncoated hard-drawn round copper wires in combination with hard-drawn round copper-clad steel wires for general use as overhead electrical conductors.

1.2 For the purpose of this specification, conductors are classified under the following type designations (see Fig. 1):

Type AType G
Type CType J
Type DType K
Type EType N
Type EKType P
Type FType V

1.3 The SI values for density are regarded as the standard. For all other properties the inch-pound values are to be regarded as standard and the SI units may be approximate.


FIG. 1 Standard Types of Composite Conductors


This specification covers concentric-lay-stranded conductors made from uncoated hard-drawn round copper wires in combination with hard-drawn round copper-clad steel wires for general use as overhead electrical conductors. The conductors are classified under the following type designations: Type A, Type C, Type D, Type E, Type EK, Type F, Type G, Type J, Type K, Type N, Type P, and Type V. Welds and brazes may be made in copper rods or in copper wires prior to final drawing. Joints may not be made in the finished copper wires composing concentric-lay-stranded composite conductors containing a total of seven wires or less. In other conductors, welds and brazes may be made in the finished individual copper wires composing the conductor. Also, the joints or splices may be made in the finished individual copper-clad steel wires composing concentric-lay-stranded conductors, provided that such joints or splices have a protection equivalent to that of the wire itself and that they do not decrease the strength of the finished stranded conductor below the minimum breaking strength. The density, mass, and resistance of the wires shall be determined.


SDO ASTM: ASTM International
Document Number B229
Publication Date April 1, 2012
Language en - English
Page Count 6
Revision Level 12
Supercedes
Committee B01.06
Publish Date Document Id Type View
April 1, 2012 B0229-12 Revision
April 1, 2004 B0229-04 Revision
April 10, 2002 B0229-95 Revision
April 10, 2002 B0229-02 Revision
Oct. 1, 2023 B0229-12R23 Reaffirmation
April 1, 2017 B0229-12R17 Reaffirmation