ASTM-A640 2019
$29.79
A640-97(2019) Standard Specification for Zinc-Coated Steel Strand for Messenger Support of Figure 8 Cable
| Published By | Publication Date | Number of Pages |
| ASTM | 2019 | 3 |
ASTM A640-97-Reapproved2019
Active Standard: Standard Specification for Zinc-Coated Steel Strand for Messenger Support of Figure 8 Cable
ASTM A640
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 standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.
1.3 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
Keywords
Figure 8 cable support strand; messenger strand; steel wire strand; steel wire-zinc coated;
ICS Code
ICS Number Code 77.140.65 (Steel wire, wir ropes and link chains)
DOI: 10.1520/A0640-97R19
