Grade 1570 Wire Rope Slings

Grade 1770 Wire Rope Slings

Grade 1770 Wire Rope SlingsWorking Load Limit -- 1770 Grade W.R.C.

METHOD
OF
LOADING
DIRECT LOADED
swr1
CHOKE HITCH
2-LEG ASSEMBLY
4-LEG ASSEMBLY
swr2
Round
load
swr3
Rect.
load
swr4
swr5
Angle a is between opposite legs
Rigid load
Flexible load
Included
angle a
30°
45°
60°
90°
120°
45°
60°
90°
120°
45°
60°
90°
120°
Loading
factor
1.00
x 0.95
0.75
x 0.95
0.50
x 0.95
1.93
x 0.95
1.85
x 0.95
1.73
x 0.95
1.41
x 0.95
1.00
x 0.95
1.85
x 0.95
1.73
x 0.95
1.41
x 0.95
1.00
x 0.95
3.70
x 0.95
3.46
x 0.95
2.83
x 0.95
2.00
x 0.95
Nominal
rope dia.
mm
Working Load Limit -- tonnes
  8
  9
10

11
12
13

14
16
18

20
22
24

26
28
32

36
40
44

48

52
56
60
0.78
0.99
1.2

1.5
1.8
2.1

2.4
3.1
4.0

4.9
5.9
7.0

8.3
9.6
12.5

15.8
19.6
24.0

28

33.0
38.0
44.0
0.58
0.74
0.92

1.1
1.3
1.5

1.8
2.3
3.0

3.7
4.4
5.3

6.2
7.2
9.4

11.9
14.7
17.7

21.0

25.0
29.0
33.0
0.39
0.49
0.61

0.74
0.88
1.0

1.2
1.6
2.0

2.4
3.0
3.5

4.1
4.8
6.3

7.9
9.8
11.8

14.0

16.6
19.2
22.0
1.4
1.8
2.4

2.8
3.4
3.9

4.6
4.9
7.6

9.4
11.4
13.6

15.9
18.4
24.1

30.6
37.7
45.7

54.6

63.8
74.0
84.8
1.4
1.7
2.3

2.7
3.1
3.8

4.4
5.7
7.3

9.0
10.8
12.9

15.3
17.7
23.1

33.1
36.1
43.7

52.2

61.1
70.8
81.2
1.4
1.7
2.1

2.6
3.0
3.6

4.2
5.4
6.8

8.4
10.2
12.2

14.3
16.6
22.0

27.0
34.0
41.0

49.0

57.0
66.0
76.0
1.1
1.4
1.7

2.1
2.5
2.9

3.4
4.4
5.6

6.9
8.3
9.9

11.6
13.5
17.6

22.0
28.0
33.0

40.0

47.0
54.0
62.0
0.78
1.0
1.2

1.5
1.8
2.1

2.4
3.1
4.0

4.9
5.9
7.0

8.3
9.6
12.5

15.8
19.6
24.0

28.0

33.0
38.0
44.0
1.4
1.7
2.3

2.7
3.1
3.8

4.4
5.7
7.3

9.0
10.8
12.9

15.3
17.7
23.1

33.1
36.1
43.7 

52.2

61.1
70.8
81.2
1.4
1.7
2.1

2.6
3.0
3.6

4.2
5.4
6.8

8.4
10.2
12.2

14.3
16.6
22.0

27.0
34.0
41.0

49.0

57.0
66.0
76.0
1.1
1.4
1.7

2.1
2.5
2.9

3.4
4.4
5.6

6.9
8.3
9.9

11.6
13.5
17.6

22.0
28.0
33.0

40.0

47.0
54.0
62.0
0.78
1.0
1.2

1.5
1.8
2.1

2.4
3.1
4.0

4.9
5.9
7.0

8.3
9.6
12.5

15.8
19.6
24.0

28.0

33.0
38.0
44.0
1.9
3.6
4.6

5.4
6.5
7.6

8.8
11.5
14.5

18.0
21.9
25.9

30.5
35.4
46.3

58.6
72.2
87.4

104.4

122.2
141.6
161.5
2.7
3.4
4.2

5.1
6.1
7.1

8.2
10.7
13.7

16.9
20.5
24.3

28.6
33.2
43.3

54.9
67.7
81.9

97.8

114.6
132.6
152.3
2.3
2.8
3.4

4.1
4.9
5.9

6.7
8.8
11.2

13.9
16.7
19.9

23.4
27.1
35.4

44.8
55.3
66.9

79.9

93.6
108.3
124.4
1.5
2.0
2.4

2.8
3.5
4.1 

4.8
6.2
7.9

9.8
11.8
14.1

16.5
19.2
25.1

31.7
39.0
47.3

56.5

66.1
76.6
88.0
* Guide for calculations only. Please refer to Australian Standards AS16666:2-1995 for details.