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.
| ASTM International | |
|---|---|
| Product Category | Standards and Technical Documents |
| Product Number | ASTM A640-97(2002) |
| Product Name | Standard Specification for Zinc-Coated Steel Strand for Messenger Support of Figure 8 Cable |
