TORQUE ASTM A490
| Bolt Size | TPI | Tension (lbs) MIN | Tension (lbs) MAX | Tightening Torque Range (ft lbs) (Min-Max) Lubricated | Tightening Torque Range (ft lbs) (Min-Max) Plain |
|---|---|---|---|---|---|
| 1/2" | 13 | 15,000 | 18,000 | 63 - 75 | 125 - 150 |
| 5/8" | 11 | 24,000 | 29,000 | 125 - 151 | 250 - 302 |
| 3/4" | 10 | 35,000 | 42,000 | 219 - 263 | 438 - 525 |
| 7/8" | 9 | 49,000 | 59,000 | 357 - 430 | 715 - 860 |
| 1" | 8 | 64,000 | 77,000 | 533 - 642 | 1,067 - 1,283 |
| 1 1/8" | 7 | 80,000 | 96,000 | 750 - 900 | 1,500 - 1,800 |
| 1 1/4" | 7 | 102,000 | 122,000 | 1,063 - 1,271 | 2,125 - 2,542 |
| 1 3/8" | 6 | 121,000 | 145,000 | 1,386 - 1,661 | 2,773 - 3,323 |
| 1 1/2" | 6 | 148,000 | 178,000 | 1,850 - 2,225 | 3,700 - 4,450 |