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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Rope diameter

Approximate circumference (inches)

Maximum rope lay length

Approximate weight

Uncoated

Galvanized

Nominal (ordered) (minimum) (inches)

Maximum

(inches)

Uncoated

(inches)

Galvanized

(inches)

Fiber core

(lb./ft.)

Nominal strength (force) (lb.)

Minimum breaking strength (force) (lb.)

Nominal strength (force) (lb.)

Minimum breaking strength (force) (lb.)

1/4

5/16

3/8

7/16

1/2

9/16

5/8

3/4

7/8

1

1 1/8

1 1/4

1 3/8

1 1/2

0.265

0.331

0.394

0.459

0.525

0.591

0.656

0.788

0.919

1.050

1.181

1.313

1.444

1.575

3/4

1

1 1/8

1 3/8

1 5/8

1 3/4

2

2 3/8

2 3/4

3 1/8

3 1/2

3 7/8

4 3/8

4 3/4

1 11/16

2 1/8

2 17/32

2 31/32

3 3/8

3 13/16

4 7/32

5 1/16

5 29/32

6 3/4

7 19/32

8 7/16

9 9/32

10 1/8

1 13/16

2 9/32

2 23/32

3 3/16

3 5/8

4 3/32

4 17/32

5 7/16

6 11/32

7 1/4

8 5/32

9 1/16

9 31/32

10 7/8

0.098

0.15

0.22

0.30

0.39

0.50

0.61

0.88

1.20

1.57

1.99

2.45

2.97

3.53

4,700

7,300

10,480

14,180

18,460

23,200

28,600

41,000

55,400

72,000

90,600

111,400

134,200

158,800

4,580

7,120

10,220

13,820

18,000

22,600

27,800

40,000

54,000

70,200

88,400

108,600

130,800

154,800

4,240

6,580

9,440

12,760

16,620

20,800

25,800

37,000

49,800

64,800

81,600

100,20

120,80

143,00

4,140

6,420

9,200

12,440

16,200

20,200

25,200

36,000

48,600

63,200

79,600

97,600

117,800

139,400