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

3.11.5.4.2 Each strand shall have 1 center strand of 31 to 49 wires constructed in accordance with 3.11.3.5.2, 3.11.3.6.2, 3.11.3.7.2, 3.11.3.8.2, or 3.11.3.9.2. The outside layer shall have not less than 16 nor more than 24 wires. Wires in the outside layer shall be of one diameter. Each strand shall be fabricated in two operations.

3.11.5.5 Type I, general purpose, class 5, construction 4, 6 by 61 (Filler wire-Seale). Wire rope grades improved plow steel and extra improved plow steel shall be in accordance with the requirements specified herein.

3.11.5.5.1 Wire ropes shall have 1 core and 6 strands of not less than 55 nor more than 61 wires each, totaling not less than 330 nor more than 366 wires in the strand. This construction shall not be required in sizes smaller than 2 inches.

3.11.5.5.2 Each strand shall have one wire center, either 8 or 9 inner wires, either 16 or 18 intermediate wires, and either 16 or 18 outer wires. There shall be a layer of either 8 or 9 filler wires between the inner and intermediate layers. Wires in the inner layer shall be of one diameter. Wires in the intermediate layer shall be of one diameter. Wires in the outside layer shall be of one diameter. Filler wires shall be of one diameter.

3.11.5.6 Type I, general purpose, class 5, construction 5, 6 by 61 (Seale-Warrington-Seale).

Wire rope grades improved plow steel and extra improved plow steel shall be in accordance with the requirements specified herein.

3.11.5.6.1 Wire ropes shall have 1 core and 6 strands of 55 wires each, totaling 330 wires in the strands. This construction shall not be required in sizes smaller than 2 inches.

3.11.5.6.2 Each strand shall have 1 center wire, 9 inner wires, 9 inside intermediate wires, 18 outside intermediate wires, and 18 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.

3.11.5.7 Type I, general purpose, class 5, construction 6, 6 by 61 (Seale-Filler wire-Seale).

Wire rope grades improved plow steel and extra improved plow steel shall be in accordance with the requirements specified herein.

3.11.5.7.1 Wire ropes shall have 1 core and 6 strands of 57 or 64 wires each, totaling 342 or 384 wires in the strands. This construction shall not be required in sizes smaller than 2 inches.

3.11.5.7.2 Each strand shall have 1 center wire, 8 or 9 inner wires, 8 or 9 inside intermediate wires, 16 or 18 outside intermediate wires, and 16 or 18 outer wires. There shall be either 8 or 9 filler wires between the inside and outside intermediate layers. 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 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.