ASTM A 640:1997

Standard Specification for Zinc-Coated Steel Strand for Messenger Support of Figure 8 Cable

German title: Verzinkter Litzenstahldraht für Tragseile Typ
Publication date: 1997 reapproved: 2019
Original language: English
Pages: 3

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Publication date: 1997 reapproved: 2019
Original language: English
Pages: 3
DOI: https://dx.doi.org/10.1520/A0640-97R19

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Short description

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.

ICS

77.140.65

DOI

https://dx.doi.org/10.1520/A0640-97R19

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