| Grade | Cross section Size（mm） | Theoretical weight (kg/m) | |||||
|---|---|---|---|---|---|---|---|
| h | b | t | T | R | r | ||
| 250×90×9×13 | 250 | 90 | 9 | 13 | 15 | 7.5 | 26.2 |
| 250×90×10.5×15 | 250 | 90 | 10.5 | 15 | 15 | 7.5 | 30.3 |
| 250×90×11.5×16 | 250 | 90 | 11.5 | 16 | 15 | 7.5 | 32.7 |
| 300×100×10.5×15 | 300 | 100 | 10.5 | 15 | 15 | 7.5 | 35.6 |
| 300×100×11.5×16 | 300 | 100 | 11.5 | 16 | 15 | 7.5 | 38.5 |
| 350×120×10.5×16 | 350 | 120 | 10.5 | 16 | 20 | 10 | 43.1 |
| 350×120×11.5×18 | 350 | 120 | 11.5 | 18 | 20 | 10 | 47.4 |
| 400×120×11.5×23 | 400 | 120 | 11.5 | 23 | 20 | 10 | 56.2 |
| 450×120×11.5×25 | 450 | 120 | 11.5 | 25 | 20 | 10 | 62.4 |
| 500×120×12.5×33 | 500 | 120 | 12.5 | 33 | 20 | 10 | 77.4 |
| 500×120×13.5×35 | 500 | 120 | 13.5 | 35 | 20 | 10 | 82.8 |
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