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This specification covers zinc-coated steel wire rope and fittings for use in the construction of highway guardrail. The base metal shall be steel made by any process and shall be of such quality that the finished wire rope and the individual zinc-coated wires shall have the properties as prescribed in this specification. The slab zinc when used for the coating shall be any grade of zinc. The wire ropes shall meet the specified requirements for: (1) mechanical properties including breaking strength and ductility, (2) dimension and construction, and (3) coating weight, adherence, continuity, and uniformity. Guard cable requirements including strands, lay length and coated wire diameter are specified. The individual wires shall be cylindrical in form, of uniform quality, and free of imperfections. Requirements for joints, splices, and fittings as well as rope test specimen are detailed.
This abstract is a brief summary of the referenced standard. It is informational only and not an official part of the standard; the full text of the standard itself must be referred to for its use and application. ASTM does not give any warranty express or implied or make any representation that the contents of this abstract are accurate, complete or up to date.
Significance and Use
1.1 This specification covers 3/4 and 1-in. (19 and 25-mm) metallic-coated steel wire rope and fittings for use in the construction of highway guardrail.
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.
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
A123/A123M Specification for Zinc (Hot-Dip Galvanized) Coatings on Iron and Steel Products
A153/A153M Specification for Zinc Coating (Hot-Dip) on Iron and Steel Hardware
A370 Test Methods and Definitions for Mechanical Testing of Steel Products
A902 Terminology Relating to Metallic Coated Steel Products
B6 Specification for Zinc
B750 Specification for GALFAN (Zinc-5 % Aluminum-Mischmetal) Alloy in Ingot Form for Hot-Dip Coatings
ICS Number Code 77.140.65 (Steel wire, wir ropes and link chains)
UNSPSC Code 31152206(Coated steel wire); 31151505(Wire rope)