TORQUE ASTM A325
Bolt Size | TPI | Tension MIN | Tension MAX | Tightening Torque Range (ft lbs) (Min-Max) Galv + Wax | Tightening Torque Range (ft lbs) (Min-Max) Plain |
---|---|---|---|---|---|
1/2" | 13 | 12,000 | 14,000 | 50 - 58 | 100 - 117 |
5/8" | 11 | 19,000 | 23,000 | 99 - 120 | 198 - 240 |
3/4" | 10 | 28,000 | 34,000 | 175 - 213 | 350 - 425 |
7/8" | 9 | 39,000 | 47,000 | 284 - 343 | 569 - 685 |
1" | 8 | 51,000 | 61,000 | 425 - 508 | 850 - 1,017 |
1 1/8" | 7 | 56,000 | 67,000 | 525 - 625 | 1,050 - 1,256 |
1 1/4" | 7 | 71,000 | 85,000 | 740 - 885 | 1,479 - 1,771 |
1 3/8" | 6 | 85,000 | 102,000 | 974 - 1,169 | 1,948 - 2,338 |
1 1/2" | 6 | 103,000 | 124,000 | 1,288 - 1,550 | 2,575 - 3,100 |