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

3.15.1.1 The strand shall have 1 wire center and 6 outer wires. Wires in the outer layer shall be of one diameter. The strand shall be fabricated in 1 operation and shall have 7 wires.

3.15.1.2 Material. Material shall be carbon steel or corrosion-resistant steel as specified

(see 3.1 and 6.2(bb-1)).

3.15.1.2.1 Finish. Wires shall be zinc coated in accordance with 3.3.5.2 except corrosion- resistant steel which shall be uncoated.

3.15.1.2.2 Fabrication. Wire strand shall be fabricated as specified (see 3.4 and 6.2(bb-2)).

3.15.1.2.3 Lay. Strands shall be left regular lay in accordance with 3.4.4.2.

3.15.1.2.4 Dimensions, weight, and strength. Dimensions, weight, and strength requirements shall be in accordance with table XXXVIII.

3.15.2 Type V, auxiliary wire strands, class 2, 1 by 19 seizing strand (2 operations) (see figure 49 for typical construction). Wire rope grades iron and annealed steel shall be in accordance with the requirements specified herein.

3.15.2.1 The strand shall have 1 wire center, 6 wires in the inner layer, and 12 wires in the outer layer. Wires in the inner layer shall be of one diameter. Wires in the outer layer shall be of one diameter. The strand shall be fabricated in 2 operations and shall have 19 wires.

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

3.15.2.2.1 Finish. Wires shall be zinc coated in accordance with 3.3.5.

3.15.2.2.2 Fabrication. Wire strand shall be fabricated as specified (see 3.4 and 6.2(cc-2)).

3.15.2.2.3 Lay. Strands shall be left regular lay in accordance with 3.4.4.2.

3.15.2.2.4 Dimensions, weight, and strength. Dimensions, weight, and strength requirements shall be in accordance with table XXXIX.

3.16 Type VI, small cords.

3.16.1 Material. Material shall be of carbon steel or corrosion-resistant steel suitable for the purpose and as specified (see 3.1 and (6.2(dd-1)).

3.16.1.1 Finish. Wire rope of corrosion-resistant steel shall be of uncoated wire. Wire rope of carbon steel shall be of zinc coated (galvanized) wires (see 3.3.5).

3.16.1.2 Cores. Cores for class 2 and class 3 shall be wire strand (see 3.2.2). Class 1 shall have no core.