 |
 |
0.7834 kg/cm2 per Metre or cft.of steel=490 lbs | |
| Thickness in mm | 4 | 5 | 6 | 7 | 8 | 10 | 11 | 12 | 14 | 16 |
| Width in mm | ||||||||||
| 12 | 0.5 | 0.5 | 0.6 | 0.7 | 0.8 | 0.9 | 1.0 | 1.1 | 1.3 | 1.5 |
| 16 | 0.6 | 0.7 | 0.8 | 0.9 | 1.0 | 1.3 | 1.4 | 1.5 | 1.8 | 2.0 |
| 20 | 0.8 | 0.9 | 0.9 | 1.1 | 1.3 | 1.6 | 1.7 | 1.9 | 2.2 | 2.5 |
| 25 | 1.0 | 1.1 | 1.2 | 1.4 | 1.6 | 2.0 | 2.2 | 2.4 | 2.7 | 3.1 |
| 32 | 1.3 | 1.4 | 1.5 | 1.8 | 2.0 | 2.5 | 2.8 | 3.0 | 3.5 | 4.0 |
| 40 | 1.6 | 1.7 | 1.9 | 2.2 | 2.5 | 3.1 | 3.5 | 3.8 | 4.4 | 5.0 |
| 50 | 2.0 | 2.2 | 2.4 | 2.7 | 3.1 | 3.9 | 4.3 | 4.7 | 5.5 | 6.3 |
| 63 | 2.5 | 2.7 | 3.0 | 3.5 | 4.0 | 4.9 | 5.4 | 5.9 | 6.9 | 7.9 |
| 80 | 3.1 | 3.5 | 3.8 | 4.4 | 5.0 | 6.3 | 6.9 | 7.5 | 8.8 | 10.0 |
| 100 | 3.9 | 4.3 | 4.7 | 5.5 | 6.3 | 7.8 | 8.6 | 9.4 | 11.0 | 12.6 |
| 125 | 4.9 | 5.4 | 5.9 | 6.9 | 7.8 | 9.8 | 10.8 | 11.8 | 13.7 | 15.7 |
| 160 | 6.3 | 6.9 | 7.5 | 8.8 | 10.0 | 12.6 | 13.8 | 15.7 | 17.6 | 20.1 |
| 200 | 7.8 | 8.6 | 9.4 | 11.0 | 12.6 | 15.7 | 17.3 | 18.8 | 22.0 | 25.1 |
| 250 | 9.8 | 10.8 | 11.8 | 13.7 | 15.7 | 19.6 | 21.6 | 23.6 | 27.5 | 31.4 |
