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

3.11.4.3.1  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 smaller than 1/4 inch.

3.11.4.3.2  Each strand shall be in accordance with 3.11.2.3.2.

3.11.4.4  Type I, general purpose, class 4, construction 3, 8 by 19 (Seale) (see figure 22 for typical construction).  Wire rope grade improved plow steel shall be in accordance with the requirements specified herein.

3.11.4.4.1  Wire ropes shall have 1 core and 8 strands of 19 wires each, totaling 152 wires in the strands.

3.11.4.4.2  Each strand shall be in accordance with 3.11.2.4.2.

3.11.4.5  Type I, general purpose, class 4, construction 4, 8 by 19 (Filler wire) (see figure 23 for typical construction).  Wire rope grade improved plow steel shall be in accordance with the requirements specified herein.

3.11.4.5.1  Wire ropes shall have 1 core and 8 strands of not less than 21 nor more than 25 wires, totaling not less than 168 nor more than 200 wires in the strands.  This construction shall not be required in sizes smaller than 7/16 inch.

3.11.4.5.2  Each strand shall be in accordance with 3.11.2.5.2.

3.11.4.6  Type I, general purpose, class 4, construction 5, 8 by 19 (Warrington-Seale) (see figure 24 for typical construction).  Wire rope grade improved plow steel shall be in accordance with the requirements specified herein.

3.11.4.6.1  Wire ropes shall have 1 core and 8 strands of 26 wires each, totaling 208 wires in the strands.

3.11.4.6.2  Each strand shall be in accordance with 3.11.2.6.2.

3.11.5  Type I, general purpose, class 5, 6 by 61 (see figure 25 for typical construction).

3.11.5.1  Material.  Material shall be carbon steel as specified (see 3.1 and 6.2(q-1)).

3.11.5.1.1  Finish.  Wire rope of improved plow steel or extra improved plow steel shall be of bright

(uncoated) or zinc coated (galvanized) wire as specified (see 3.3.5 and 6.2(q-2)).

3.11.5.1.2  Cores.  Wire ropes of improved plow steel shall have either fiber core, wire strand core, or IWRC as specified (see 3.2 and 6.2(q-3)).  Wire ropes of extra improved plow steel shall have an IWRC in accordance with 3.2.3.

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

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