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

3.11.2.4 Type I, general purpose, class 2, construction 3, 6 by 19 (Seale) (see figure 8 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.

3.11.2.4.1 Wire ropes shall have 6 strands of 19 wires each, totaling 114 wires in the strands.

3.11.2.4.2 Each strand shall have 1 center wire, 9 inner wires, and 9 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 one operation.

3.11.2.5 Type I, general purpose, class 2, construction 4, 6 by 19 (Filler wire) (see figure 9 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, 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.

3.11.2.5.1 Wire ropes shall have 6 strands of not less than 21 wires and not more than 25 wires each, totaling not less than 126 nor more than 150 wires in the strands. This construction shall not be required in sizes smaller than 3/8 inch.

3.11.2.5.2 Each strand shall have 1 wire center, not less than 5 nor more than 6 inner wires, and not less than 10 nor more than 12 outer wires. There shall be not less than 5 nor more than 6 wires (fillers) between the layers. Wires in the inner layer shall be of one diameter. Wires in the outer layer shall be of one diameter. Filler wires shall be of one diameter. Each strand shall be fabricated in one operation.

3.11.2.6 Type I, general purpose, class 2, construction 5, 6 by 19 (Warrington-Seale) (see figure

10 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, 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.

3.11.2.6.1 Wire ropes shall have 1 core and 6 strands of 26 wires each, totaling 156 wires in the strands.

3.11.2.6.2 Each strand shall have 1 center wire, 5 inner wires, 10 intermediate wires, and

10 outer wires. Wires in the inner layer shall be of one diameter. Wires in the intermediate layer shall be of two diameters of wire laid alternately. Wires in the outer layer shall be of one diameter. Each strand shall be fabricated in one operation.