ขนาดเหล็กเพลาดำ
| NOMINAL SECTIONAL DIAMETER | WIDTH | WIDTH | |
| (kg/m.) | (kg./piece) | ||
| mm. | in. | 1m. | 6m. |
| 19.05 | 3/4 | 2.24 | 13.44 |
| 22.23 | 7/8 | 3.05 | 18.3 |
| 25.4 | 1 | 3.98 | 23.9 |
| 28.58 | 1 1/8 | 5.03 | 30.2 |
| 31.75 | 1 1/4 | 6.21 | 37.26 |
| 34.93 | 1 3/8 | 7.52 | 45.12 |
| 38.1 | 1 1/2 | 8.95 | 53.7 |
| 41.28 | 1 5/8 | 10.5 | 63 |
| 44.45 | 1 3/4 | 12.2 | 73.2 |
| 47.63 | 1 7/8 | 14 | 84 |
| 50.8 | 2 | 15.9 | 95.4 |
| 53.98 | 2 1/8 | 17.9 | 107.4 |
| 57.15 | 2 1/4 | 20 | 120 |
| 60.33 | 2 3/8 | 22.4 | 134.4 |
| 63.5 | 2 1/2 | 24.9 | 149.4 |
| 66.68 | 2 5/8 | 27.4 | 164.4 |
| 69.85 | 2 3/4 | 30.1 | 180.6 |
| 73.03 | 2 7/8 | 32.9 | 197.4 |
| 76.2 | 3 | 35.8 | 214.8 |
