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ASTM A640-97(2019)
Standard Specification for Zinc-Coated Steel Strand for Messenger Support of Figure 8 CableMore info
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.
| Author | ASTM |
|---|---|
| Editor | ASTM |
| Document type | Standard |
| Format | File |
| Confirmation date | 2019-09-01 |
| ICS | 77.140.65 : Steel wire, wire ropes and link chains |
| Number of pages | 3 |
| Replace | ASTM A640-97(2014) |
| Year | 2009 |
| Document history | ASTM A640-97(2014) ASTM A640-97(2009)e1 ASTM A640-97(2002)e1 ASTM A640-97 ASTM A640-97(2002) |
| Country | USA |
| Keyword | ASTM 640;ASTM A640;ASTM A640;10.1520/A0640-97R19 |