GRADE 80 ALLOY CHAIN
( For overhead lifting applications only alloy chain should be used )
| Nominal Chain Size |
Material Diameter |
Working Load Limit (Max.) |
Proof Test** (Min.) |
Minimum Breaking Force** |
Inside Length (Max.) |
Inside Width Range |
|||||||
| mm. | inch | mm. | inch | kg. | lbs | kN | lbs | kN | lbs | mm. | inch | mm. | inch |
| 5,5 | 7/32 | 5,5 | 0,217 | 970 | 2,100 | 19,0 | 4,200 | 38,0 | 8,400 | 17,6 | 0,69 | 7,14-8,25 | 281-325 |
| 7,0 | 9/32 | 7,0 | 2,276 | 1,570 | 3,500 | 30,8 | 7,000 | 61,6 | 14,000 | 22,9 | 0,90 | 9,53-10,92 | 375-430 |
| 0,8 | 5/16 | 8,0 | 0,315 | 2,000 | 4,500 | 40,3 | 9,000 | 80,6 | 18,000 | 26,4 | 1,04 | 10,92-12,70 | 430-500 |
| 10,0 | 3/8 | 10,0 | 3,394 | 3,200 | 7,100 | 63,0 | 14,200 | 126,0 | 28,400 | 32,0 | 1,26 | 13,00-15,20 | 512-600 |
| 13,0 | 1/2 | 13,0 | 0,512 | 5,400 | 12,000 | 107,0 | 24,000 | 214,0 | 48,000 | 41,6 | 1,64 | 17,48-19,50 | 688-768 |
| 16,0 | 5/8 | 16,0 | 0,630 | 8,200 | 18,100 | 161,0 | 36,200 | 322,0 | 72,400 | 51,2 | 2,02 | 20,63-24,00 | 812-945 |
| 20,0 | 3/4 | 20,0 | 0,787 | 12,800 | 28,300 | 252,0 | 56,600 | 504,0 | 113,200 | 64,0 | 2,52 | 25,0-30,0 | 984-1,18 |
| 22,0 | 7/8 | 22,0 | 0,866 | 15,500 | 34,200 | 305,0 | 68,400 | 610,0 | 136,800 | 70,4 | 2,77 | 27,5-33,0 | 1,08-1,30 |
| 26,0 | 1 | 26,0 | 1,020 | 21,600 | 47,700 | 425,0 | 95,400 | 850,0 | 190,800 | 83,2 | 3,28 | 32,5-39,0 | 1,28-1,54 |
| 32,0 | 1-1/4 | 32,0 | 1,260 | 32,800 | 72,300 | 644,0 | 144,600 | 1,288,0 | 289,200 | 102,4 | 4,03 | 40,0-48,0 | 1,58-1,89 |
**The Proof Test and Minimum Breaking Force loads shall not be
used as criteria for service or design purposes.