6
STEEL WIRE ROPE
TABLE OF WORKING LOAD LIMITS FOR STANDARD GALVANISED SLINGS Grade 1770, Steel Core to AS 1666.1 & AS 1666.2
Wire Rope DIA. mm MN Breaking Force KN
Direct Load
Choke Hitch
Direct Load
Choke Hitch
Basket Hitch
Round Load
Rectangular Load
Round Load
Other Than Round Load
Round Load
Other Than Round Load
Single Wrap
Double Wrap
Single Wrap
Double Wrap
Included Angle
0°-60° 90°
120° 0°-45° 0°-60° 0°-45° 0°-60° 0°
60° 90° 120° 0°
60°
90° 120°
Loading Factors
1x 0.95
0.75 x 0.95
0.5 x 0.95 1.73 x 0.95
1.41 x 0.95
1 x 0.95
1.30 x 0.95
0.87 x 0.95
2 x 0.95
1.73 x 0.95
1.41 x 0.95
1 x 0.95
1 x 0.95
0.87 x 0.95
0.71 x 0.95
0.5 x 0.95
WLL in Tonnes for 1770 Grade Steel Core
8
40.2 0.78 0.58 0.39
1.35 1.1 0.78 1.01
0.68
1.56 1.35 1.1 0.78 0.78 0.68 0.55 0.39
9
51.1 0.99 0.74 0.49
1.71 1.4 0.99 1.29
0.86
1.98 1.71 1.4 0.99 0.99 0.86 0.7 0.49
10 63.1 1.22 0.92 0.61
2.1 1.72 1.22 1.59
1.06
2.4 2.1 1.72 1.22 1.22 1.06 0.87 0.61
11 76.3 1.48 1.11 0.74
2.6 2.1 1.48 1.92
1.29
3
2.6 2.1 1.48 1.48 1.29 1.05 0.74
12 90.8 1.76 1.32 0.88
3
2.5 1.76 2.3
1.53
3.5 3
2.5 1.76 1.76 1.53 1.25 0.88
13 107.0 2.1 1.55 1.04
3.6 2.9 2.1 2.7
1.8
4.1 3.6 2.9 2.1 2.1 1.8 1.47 1.04
14 124.0 2.4 1.8 1.2
4.2 3.4 2.4 3.1
2.1
4.8 4.2 3.4 2.4 2.4 2.1 1.71 1.2
16 161.0 3.1 2.3 1.56
5.4 4.4 3.1 4.1
2.7
6.2 5.4 4.4 3.1 3.1 2.7 2.2 1.56
18 204.0 4.0 3
1.98
6.8 5.6 4 5.1
3.4
7.9 6.8 5.6 4 4
3.4 2.8 1.98
20 252.0 4.9 3.7 2.4
8.4 6.9 4.9 6.3
4.2
9.8 8.4 6.9 4.9 4.9 4.2 3.5 2.4
22 305.0 5.9 4.4 3
10.2 8.3 5.9 7.7
5.1
11.8 10.2 8.3 5.9 5.9 5.1 4.2 3
24 363.0 7 5.3 3.5
12.2 9.9 7 9.1
6.1
14.1 12.2 9.9 7 7
6.1 5 3.5
26 426.0 8.3 6.2 4.1
14.3 11.6 8.3 10.7
7.2
16.5 14.3 11.6 8.3 8.3 7.2 5.9 4.1
28 494.0 9.6 7.2 4.8
16.6 13.5 9.6 12.4
8.3
19.1 16.6 13.5 9.6 9.6 8.3 6.8 4.8
32 646.0 12.5 9.4 6.3
22 17.6 12.5 16.3
10.9
25 22 17.6 12.5 12.5 10.9 8.9 6.3
36 817.0 15.8 11.9 7.9
27 22
15.8 21
13.8
32 27 22 15.8 15.8 13.8 11.2 7.9
40 1010.0 19.6 14.7 9.8
34 28
19.6 25
17
39 34 28 19.6 19.6 17 13.9 9.8
44 1220.0 24 17.7 11.8
41 33
24 31
21
47 41 33 24 24
21 16.8 11.8
48 1450.0 28 21 14
49 40
28 37
24
56 49 40 28 28
24 19.9 14
52 1710.0 33 25 16.6
57 47
33 43
29
66 57 47 33 33
29 24 16.6
56 1980.0 38 29 19.2
66 54
38 50
33
77 66 54 38 38
33 27 19.2
60 2270.0 44 33 22
76 62
44 57
38
88 76 62 44 44
38 31 22
158
MATERIALS HANDLING TECHNICAL MANUAL | VOL. 4
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