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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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TABLE XXXIII. Type IV, miscellaneous, class 3, flattened strand, construction 1, 6 by 25, style B; construction 2, 6 by 30, style G; construction 3, 6 by 27, style H; construction 4, 6 by 31, style V; improved plow steel, fiber cores.

Rope diameter

Approximate circumference (inches)

Approximate rope lay length (inches)

Approximate weight (lb./ft.)

Uncoated

Galvanized

Nominal (ordered) (minimum) (inches)

Maximum

(inches)

Nominal strength (force) (lb.)

Minimum breaking strength (force) (lb.)

Nominal strength (force) (lb.)

Minimum breaking strength (force) (lb.)

3/81

2 1/2

2 3/4

0.394

2.625

2.888

1 1/8

7 7/8

8 5/8

0.25

11.20

13.60

13,420

538,000

642,000

13,080

524,000

626,000

12,080

484,000

578,000

11,780

472,000

564,000

1Applies to construction 1, style B only.

TABLE XXXIV. Type IV, miscellaneous, class 3, flattened strand, construction 1, 6 by 25, style B; construction 2, 6 by 30, style G, construction 3, 6 by 27, style H; construction 4, 6 by 31, style V; improved plow steel, wire strand core or IWRC.

Rope diameter

Approximate circumference (inches)

Approximate rope lay length (inches)

Approximate weight (lb./ft.)

Uncoated

Galvanized

Nominal (ordered) (minimum) (inches)

Maximum

(inches)

Nominal strength (force) (lb.)

Minimum breaking strength (force) (lb.)

Nominal strength (force) (lb.)

Minimum breaking strength (force) (lb.)

3/81

2 1/2

2 3/4

0.394

2.625

2.888

1 1/8

7 7/8

8 5/8

0.26

11.80

14.30

14,420

578,000

690,000

14,060

564,000

672,000

12,980

520,000

621,000

12,660

508,000

606,000

1Applies to construction 1, style B only.