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

3.11.5.1.4 Lay. Lay shall be as specified (see 3.4.4 and 6.2(q-5)).

3.11.5.1.5 Dimensions, weight, and strength. Dimensions, weight, and strength requirements shall be as specified in tables XIV, XV, and XVI.

3.11.5.2 Type I, general purpose, class 5, construction 1, 6 by 61 (3 operations). Wire rope grades improved plow steel and extra improved plow steel shall be in accordance with the requirements specified herein.

3.11.5.2.1 Wire ropes shall have 1 core and 6 strands of not less than 53 nor more than 68 wires each, totaling not less than 318 nor more than 408 wires in the strands. This construction is not furnished in lang lay and it is not furnished preformed. This construction shall not be required in sizes smaller than 2 inches.

3.11.5.2.2 Each strand shall have 1 center strand of 19 to 26 wires constructed in accordance with

3.11.2.3.2, 3.11.2.4.2, 3.11.2.5.2, or 3.11.2.6.2. The second layer from the outside shall have not less than 14 nor more than 18 wires. The outer layer shall have not less than 20 nor more than

24 wires. Wires in the second layer from the outside shall be of one diameter. Wires in the outer layer shall be of one diameter. Each strand shall be fabricated in three operations.

3.11.5.3 Type I, general purpose, class 5, construction 2, 6 by 61 (2 operations). Wire rope grades improved plow steel and extra improved plow steel shall be in accordance with the requirements specified herein.

3.11.5.3.1 Wire ropes shall have 1 core and 6 strands of not less than 51 nor more than 74 wires each, totaling not less than 306 nor more than 444 wires in the strands. This construction is not furnished in lang lay and it is not furnished preformed. This construction shall not be required in sizes smaller than 2 inches.

3.11.5.3.2 Each strand shall have 1 center strand of 19 to 26 wires constructed in accordance with

3.11.2.3.2, 3.11.2.4.2, 3.11.2.5.2, or 3.11.2.6.2. The second layer from the outside shall have not less than 16 nor more than 24 wires. The outer layer shall have not less than 16 nor more than

24 wires. Wires in the second layer from the outside shall be of one diameter. Wires in the outer layer shall be of one diameter. Each strand shall be fabricated in two operations.

3.11.5.4 Type I, general purpose, class 5, construction 3, 6 by 61 (2 operations). Wire rope grades improved plow steel and extra improved plow steel shall be in accordance with the requirements specified herein.

3.11.5.4.1 Wire ropes shall have 1 core and 6 strands of not less than 51 nor more than 73 wires each, totaling not less than 306 nor more than 438 wires in the strands. This construction is not furnished in lang lay and it is not furnished preformed. This construction shall not be required in sizes smaller than 2 inches.