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 (lb./ft.)

Uncoated

Galvanized

Nominal (ordered) (minimum) (inch)

Maximum

(inches)

Uncoated regular lay (inches)

Galvanized regular lay (inches)

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

0.265

0.331

0.394

0.459

0.525

0.591

0.656

0.788

0.919

1.050

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

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

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

0.116

0.180

0.26

0.35

0.46

0.59

0.72

1.04

1.42

1.85

6,400

9,960

14,280

19,340

25,200

31,800

39,200

55,800

75,600

98,200

6,240

9,720

13,920

18,860

24,600

31,000

38,200

54,400

73,800

95,800

5,760

8,960

12,860

17,400

22,600

28,600

35,200

50,200

68,000

88,400

5,600

8,740

12,540

16,960

22,000

27,800

34,400

49,000

66,400

86,200

Rope diameter

Approximate circumference (inches)

Maximum rope lay length

Approximate weight (lb./ft.)

Nominal strength (force) (lb.)

Minimum breaking strength (force) (lb.)

Nominal (ordered) (minimum) (inches)

Maximum

(inches)

Regular lay (inches)

Lang lay

(inches)

7/16

1/2

9/16

5/8

3/4

7/8

1

0.459

0.525

0.591

0.656

0.788

0.919

1.050

1 3/8

1 5/8

1 3/4

2

2 3/8

2 3/4

3 1/8

2 31/32

3 3/8

3 13/16

4 7/32

5 1/16

5 29/32

6 3/4

3 3/16

3 5/8

4 3/32

4 17/32

5 7/16

6 11/32

7 1/4

0.35

0.46

0.59

0.72

1.04

1.42

1.85

15,800

20,400

25,500

31,300

44,400

59,700

77,300

15,400

19,900

24.900

30,500

43,300

58,200

75,400