ASTM International - ASTM A640-97(2002)
Standard Specification for Zinc-Coated Steel Strand for Messenger Support of Figure 8 Cable
| Organization: | ASTM International |
| Publication Date: | 10 April 1997 |
| Status: | inactive |
| Page Count: | 3 |
scope:
1.1 This specification covers two sizes of extra-high-strength grade of concentric-lay steel wire strand, composed of seven, zinc-coated steel wires, specifically intended for use as the supporting messenger in Figure 8-type communication and electrical cables.
1.2 The values stated in inch-pound units are to be regarded as the standard.
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