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1.1 This specification covers high-strength, extra-high-strength, and utilities grades of concentric lay steel wire strand composed of three wires or seven wires with Class A, Class B, or Class C zinc-5% aluminum-mischmetal (Zn-5 Al-MM) alloy coatings specifically intended for use as overhead ground wires or static wires for electric power transmission lines.
1.2 The values stated in inch-pound units are to be regarded as the standard. The values given in parentheses are for information only.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
A90/A90M Test Method for Weight [Mass] of Coating on Iron and Steel Articles with Zinc or Zinc-Alloy Coatings
A902 Terminology Relating to Metallic Coated Steel Products
B750 Specification for GALFAN (Zinc-5 % Aluminum-Mischmetal) Alloy in Ingot Form for Hot-Dip Coatings
E27 Method for Spectrographic Analysis of Zinc and Zinc Alloys by the Solution-Residue Technique
E47 Test Methods for Chemical Analysis of Zinc Die-Casting Alloys
Other StandardGF-1 Standard Practice for Determination of Cerium and Lanthanum Compositions in Galfan Alloy (5-Al-0.04 % La-0.04 % Ce-Bal SHG Zn)
ICS Number Code 29.240.20 (Power transmission and distribution lines)
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ASTM A925-03, Standard Specification for Zinc-5% Aluminum-Mischmetal Alloy-Coated Steel Overhead Ground Wire Strand, ASTM International, West Conshohocken, PA, 2003, www.astm.orgBack to Top