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

3.11.1.3.7 Dimensions, weight, and strength. Dimensions, weight, and strength requirements shall be as specified in ASTM A1023/A1023M, as applicable.

3.11.2 Type I, general purpose, class 2, 6 by 19.

3.11.2.1 Material. Material shall be of carbon steel, corrosion-resistant steel, or phosphor bronze as specified (see 3.1 and 6.2(n-1)).

3.11.2.1.1 Finish. Wire rope of phosphor bronze and corrosion-resistant steel shall be of uncoated wires. Wire rope of improved plow steel, extra improved plow steel, or extra extra improved plow steel shall be of bright (uncoated) or zinc coated (galvanized) wires as specified (see 3.3.1.3, 3.3.5, and 6.2(n-2)).

3.11.2.1.2 Cores. Cores shall be in accordance with table VI as specified (see 6.2(n-3).

3.11.2.1.3 Fabrication. Wire ropes shall be fabricated as specified (see 3.4 and 6.2(n-4)).

3.11.2.1.4 Lay. Wire ropes with fiber cores shall be supplied with right regular lay unless otherwise specified (see 3.4.4.1 and 6.2(n-5)).

3.11.2.1.5 Dimensions, weight, and strength. Dimensions, weight, and strength requirements shall be as specified in tables VII and VIII, and ASTM A1023/A1023M.

3.11.2.2 Type I, general purpose, class 2, construction 1, 6 by 19 (2 operations) (see figure 6 for typical construction).

3.11.2.2.1 Wire ropes shall have 6 strands of 19 wires each, totaling 114 wires in the strands. This construction shall not be required in lang lay or in sizes 3/8 inch and larger.

3.11.2.2.2 Each strand shall have 1 wire center, 6 inner wires, and 12 outer wires. Wires in the inner layer shall be of one diameter. Wires in the outer layer shall be of one diameter. Each strand shall be fabricated in two operations.

3.11.2.3 Type I, general purpose, class 2, construction 2, 6 by 19 (Warrington) (see figure 7 for typical construction). Wire rope grades improved plow steel, extra improved plow steel, and extra extra improved plow steel for sizes up to and including 2-3/8 inches shall be in accordance with ASTM A1023/A1023M. Wire rope grades phosphor bronze, corrosion-resistant steel, and improved plow steel in sizes larger than 2-3/8 inches and extra improved plow steel in sizes larger than 2-3/8 inches shall be in accordance with the requirements specified herein.

3.11.2.3.1 Wire ropes shall have 6 strands of 19 wires each, totaling 114 wires in the strands. This construction shall not be required in lang lay.

3.11.2.3.2 Each strand shall have 1 center wire, 6 inner wires, and 12 outer wires. Wires in the inner layer shall be of one diameter. Wires in the outer layer shall be of two diameters of wire laid alternately. Each strand shall be fabricated in one operation.