RR-W-410 Wire Rope And StrandThis specification covers wire ropes and wire seizing strands see 6.1. This specification does not include all types, classes, constructions, and sizes of wire rope and strand that are commercially available, but it is intended to cover the more common types, classes, constructions, and sizes that are suitable for federal government use.

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RR-W-410G

3.11.3.10 Type I, general purpose, class 3, construction 9, 6 by 36 (Seale-Warrington-Seale) (see figure 19 for typical construction). Wire rope grades improved plow steel, extra improved plow steel, and extra extra improved plow steel shall be in accordance with

ASTM A1023/A1023M. Wire rope grade corrosion-resistant steel shall be in accordance with the requirements specified herein.

3.11.3.10.1 Wire ropes shall have 1 core and 6 strands of not less than 43 nor more than 49 wires each, totaling not less than 258 nor more than 294 wires in the strands. This construction shall not be required in sizes smaller than 2 inches.

3.11.3.10.2 Each strand shall have 1 center wire, not less than 7 nor more than 8 inner wires, not less than 7 nor more than 8 inside intermediate wires, not less than 14 nor more than 16 outside intermediate wires, and not less than 14 nor more than 16 outer wires. Wires in the inner layer shall be of one diameter. Wires in the inside intermediate layer shall be of one diameter. Wires in the outside intermediate layer shall be of two diameters, laid alternately. Wires in the outer layer shall be of one diameter. Each strand shall be fabricated in one operation.

3.11.4 Type I, general purpose, class 4, 8 by 19.

3.11.4.1 Material. Material shall be of carbon steel as specified (see 3.1).

3.11.4.1.1 Finish. Wire rope shall be bright (uncoated) or zinc coated (galvanized) wires as specified (see 3.3.5 and 6.2(p-1)).

3.11.4.1.2 Cores. Cores shall be fiber cores in accordance with 3.2.1 or when specified

(see 3.2.5 and 6.2(p-2)).

3.11.4.1.3 Fabrication. Wire ropes shall be fabricated as specified (see 3.4 and 6.2(p-3)).

3.11.4.1.4 Lay. Lay shall be right regular lay in accordance with 3.4.4.1.

3.11.4.1.5 Dimensions, weight, and strength. Dimensions, weight, and strength requirements shall be as specified in table XIII.

3.11.4.2 Type I, general purpose, class 4, construction 1, 8 by 19 (2 operations) (see figure 20 for typical construction). Wire rope grade improved plow steel shall be in accordance with the requirements specified herein.

3.11.4.2.1 Wire ropes shall have 1 core and 8 strands of 19 wires each, totaling 152 wires in the strands. This construction shall not be required in sizes larger than 1/4 inch.

3.11.4.2.2 Each strand shall be in accordance with 3.11.2.2.2.

3.11.4.3 Type I, general purpose, class 4, construction 2, 8 by 19 (Warrington) (see figure 21 for typical construction). Wire rope grade improved plow steel shall be in accordance with the requirements specified herein.