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

3.12.1.3 Fabrication. Steel wire ropes shall be fabricated as specified (see 3.4 and 6.2(s-2)). Iron wire ropes shall be non-preformed in accordance with 3.4.

3.12.1.4 Lay. Lay shall be right regular lay in accordance with 3.4.4.1.

3.12.1.5 Dimensions, weight, and strength. Dimensions, weight, and strength requirements shall be as specified in tables XX, XXI, and XXII.

3.12.2 Type II, elevator, class 1, 6 by 19. Wire rope grades iron and traction steel shall be in accordance with the requirements specified herein.

3.12.2.1 Type II, elevator, class 1, construction 1, 6 by 19 (Warrington) (see figure 7 for typical construction). Wire rope grades iron and traction steel shall be in accordance with the requirements specified herein.

3.12.2.1.1 Wire ropes shall have 1 core and 6 strands of 19 wires each, totaling 114 wires in the strands. This construction shall not be required in sizes larger than 5/16 inch.

3.12.2.1.2 Strands shall be in accordance with 3.11.2.3.2.

3.12.2.2 Type II, elevator, class 1, construction 2, 6 by 19 (Filler wire) (see figure 9 for typical construction). Wire rope grades iron and traction steel shall be in accordance with the requirements specified herein.

3.12.2.2.1 Wire ropes shall have 1 core and 6 strands of not less than 21 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.

3.12.2.2.2 Strands shall be in accordance with 3.11.2.5.2.

3.12.2.3 Type II, elevator, class 1, construction 3, 6 by 19 (Warrington-Seale) (see figure 10 for typical construction). Wire rope grades iron and traction steel shall be in accordance with the requirements specified herein.

3.12.2.3.1 Wire ropes shall have 1 core and 6 strands of 26 wires each, totaling 156 wires in the strands. This construction shall not be required in sizes smaller than 3/8 inch.

3.12.2.3.2 Each strand shall be in accordance with 3.11.2.6.2.

3.12.3 Type II, elevator, class 2, 8 by 19. Wire rope grades iron and traction steel shall be in accordance with the requirements specified herein.

3.12.3.1 Type II, elevator, class 2, construction 1, 8 by 19 (2 operations) (see figure 20 for typical construction). Wire rope grades iron and traction steel shall be in accordance with the requirements specified herein.