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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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RR-W-410G

TABLE XXVI. Type III, marine (cables), class 3, 6 by 24, mooring lines, improved plow steel, fiber cores, (galvanized).

Rope diameter

Approximate circumference (inches)

Maximum rope lay length (inches)

Approximate weight (lb./ft.)

Nominal breaking strength (force) (lb.)

Minimum breaking strength (force) (lb.)

Nominal (ordered) (maximum) (inches)

Maximum

(inches)

2 1/16

2.100

2.166

6 1/4

6 1/2

14 1/2

14 15/16

5.52

5.87

252,000

268,000

246,000

262,000

TABLE XXVII. Type III, marine (cables), class 4, 6 by 3 by 7, spring lay, and class 5, 6 by 3 by 19, galvanized.

Rope diameter

Approximate circumference (inches)

Maximum rope lay length (inches)

Approximate weight (lb./ft.)

Nominal breaking strength (force) (lb.)

Minimum breaking strength (force) (lb.)

Nominal (ordered) (maximum) (inches)

Maximum

(inches)

Class 4 - 6 by 3 by 7

1/2

9/16

5/8

3/4

0.525

0.591

0.656

0.788

1 5/8

1 3/4

2 3/8

3 5/8

4 1/16

4 17/32

5 7/16

0.22

0.28

0.34

0.49

8,940

11,280

13,900

19,920

8,720

11,000

13,560

19,420

Class 5 - 6 by 3 by 19

7/8

1 1/8

1 1/4

1 3/8

1 1/2

1 5/8

1 3/4

1 7/8

2 1/4

2 1/2

0.919

1.050

1.181

1.313

1.444

1.575

1.706

1.838

1.969

2.100

2.363

2.625

2 3/4

3 1/8

3 1/2

3 7/8

4 3/8

4 3/4

5 1/8

5 1/2

5 7/8

6 1/4

7 1/8

7 7/8

6 11/32

7 1/4

8 5/32

9 1/16

9 31/32

10 7/8

11 25/32

12 11/16

13 19/32

14 1/2

16 5/16

18 1/8

0.63

0.88

1.14

1.36

1.66

1.97

2.28

2.67

3.09

3.53

4.56

5.44

27,000

35,000

44,200

54,400

65,600

77,800

91,200

105,400

120,600

137,000

172,600

212,000

26,400

34,200

43,000

53,000

64,000

75,800

89,000

102,800

117,600

133,600

168,200

206,000