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Grade
80 Chain Lifting Capacities (lbs) |
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Chain
diameter
inch |
Design
Factor 4:1 |
Design
Factor 5:1 |
WLL lbs
DF 4:1
60° |
WLL lbs
DF 4:1
45° |
WLL lbs
DF 4:1
30° |
WLL* lbs
DF 5:1
60° |
WLL* lbs
DF 5:1
45° |
WLL* lbs
DF 5:1
30° |
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| 1/4 – 9/32 |
9,100 |
7,400 |
5,200 |
7,200 |
5,900 |
4,100 |
| 3/8 |
18,400 |
15,100 |
10,600 |
14,700 |
12,000 |
8,400 |
| 1/2 |
31,200 |
25,500 |
18,000 |
24,900 |
20,400 |
14,400 |
| 5/8 |
47,000 |
38,400 |
27,100 |
37,600 |
30,700 |
21,600 |
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| 3/4 |
73,500 |
60,000 |
42,400 |
58,800 |
48,000 |
33,900 |
| 7/8 |
88,900 |
72,500 |
51,300 |
71,100 |
58,000 |
41,000 |
| 1 |
123,900 |
101,200 |
71,500 |
99,100 |
80,900 |
57,200 |
| 1 – 1/4 |
187,800 |
153,400 |
108,400 |
150,200 |
122,700 |
86,700 |
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