1.1This specification covers five grades of zinc-coated, steel wire strand, composed of a number of round, steel wires, with four weights of zinc coatings, suitable for use as guys, messengers, span wires, and for similar purposes.
1.2The five grades covered are as follows:
1.2.1Utilities,
1.2.2Common,
1.2.3Siemens-Martin,
1.2.4High-Strength, and
1.2.5Extra High-Strength.
1.2.6Minimum breaking strengths of strand for each grade are described in Section 7.
1.3The four weights of zinc coatings are: Class 1 and Classes A, B, and C. Minimum weights of zinc coatings are described in Section 10.
1.4The 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.
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