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

3.13.3  Type III, marine (cables), class 3, 6 by 24 mooring lines.

3.13.3.1  Material.  Material shall be carbon steel as specified (see 3.1).

3.13.3.1.1  Finish.  Wire ropes shall be of zinc coated (galvanized) wires in accordance with

3.3.5.2.

3.13.3.1.2  Centers and cores.  Wire ropes shall have strand centers and rope cores of fiber as specified in 3.2.1 or 3.2.5.

3.13.3.1.3  Fabrication.  Wire ropes shall be fabricated as specified (see 3.4 and 6.2(v-1)).

3.13.3.1.4  Lay.  Lay shall be of right regular lay in accordance with 3.4.4.1.

3.13.3.1.5  Dimensions, weight, and strength.  Dimensions, weight, and strength requirements shall be as specified in table XXVI.

3.13.3.2  Type III, marine (cables), class 3, 6 by 24 (mooring lines), construction 1, (2 operations) (see figure 29 for typical construction).  Wire rope grade improved plow steel shall be in accordance with ASTM A1023/A1023M.

3.13.3.2.1  Wire rope shall have 1 core and 6 strands of 1 fiber center and 24 wires each, totaling

144 wires in the strands.

3.13.3.2.2  Each strand shall have 1 fiber center, 9 wires in the inner layer and 15 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.  Each strand shall be fabricated in 2 operations.

3.13.3.3  Type III, marine (cables), class 3, 6 by 24 (mooring lines), construction 2, (Warrington) (see figure 30 for typical construction).  Wire rope grade improved plow steel shall be in accordance with ASTM A1023/A1023M.

3.13.3.3.1  Wire rope shall have 1 core and 6 strands of 1 fiber center and 24 wires each, totaling

144 wires in the strands.

3.13.3.3.2  Each strand shall have 1 fiber center, 8 wires in the inner layer and 16 wires in the outer layer.  Wires in the inner layer shall be of one diameter.  Wires in the outer layer shall be of two diameters laid alternately.  Each strand shall be fabricated in one operation.

3.13.3.4  Type III, marine (cables), class 3, 6 by 24 (mooring lines), construction 3, (Seale) (see figure 31 for typical construction).  Wire rope grade improved plow steel shall be in accordance with ASTM A1023/A1023M.

3.13.3.4.1  Wire rope shall have 1 core and 6 strands of 1 fiber center and 24 wires each, totaling

144 wires in the strands.

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