GRADE 43 HIGH TEST CHAIN
( Not to be used for overhead lifting applications )
| Nominal Chain Size |
Material Diameter |
Working Load Limit (Max.) |
Proof Test** (Min.) |
Minimum Breaking Force** |
Inside Length (Max.) |
Inside Width (Min.) |
|||||||
| mm. | inch | mm. | inch | kg. | lbs | kN | lbs | kN | lbs | mm. | inch | mm. | inch |
| 7,0 | 1/4 | 7,0 | 0,276 | 1,180 | 2,600 | 17,3 | 3,900 | 34,6 | 7,800 | 31,5 | 1,24 | 9,8 | 0,38 |
| 8,7 | 5/16 | 8,7 | 0,343 | 1,770 | 3,900 | 26,0 | 5,850 | 52,0 | 11,700 | 32,8 | 1,29 | 11,2 | 0,44 |
| 10,0 | 3/8 | 10,3 | 0,406 | 2,450 | 5,400 | 36,0 | 8,100 | 72,0 | 16,200 | 35,0 | 1,38 | 14,0 | 0,55 |
| 11,9 | 7/16 | 11,9 | 0,468 | 3,270 | 7,200 | 48,0 | 10,800 | 96,0 | 21,600 | 41,6 | 1,64 | 16,6 | 0,65 |
| 13,0 | 1/2 | 13,5 | 0,531 | 4,170 | 9,200 | 61,3 | 13,800 | 122,6 | 27,600 | 45,5 | 1,79 | 18,2 | 0,72 |
| 16,0 | 5/8 | 16,0 | 0,630 | 5,910 | 13,000 | 86,5 | 19,500 | 173,0 | 39,000 | 56,0 | 2,20 | 20,0 | 0,79 |
| 20,0 | 3/4 | 20,0 | 0,787 | 9,180 | 20,200 | 134,7 | 30,300 | 269,4 | 60,600 | 70,0 | 2,76 | 25,0 | 0,98 |
| 22,0 | 7/8 | 22,0 | 0,866 | 11,140 | 24,500 | 163,3 | 36,750 | 326,4 | 73,500 | 77,0 | 3,03 | 27,5 | 1,08 |
**The Proof Test and Minimum Breaking Force loads shall not be
used as criteria for service or design purposes.