| 年级 | 截面尺寸(毫米) | 理论重量(公斤/米) | |||
|---|---|---|---|---|---|
| 长边的宽度 | 短边的宽度 | 边厚度 | 内半径 | ||
| 2.5×1.6 | 25 | 16 | 3. | 3．5 | 0.912 |
| 4 | 1.176 | ||||
| 3.2×2 | 32 | 20. | 3. | 1.171 | |
| 4 | 1.522 | ||||
| 4×2.5 | 40 | 25 | 3. | 4 | 1.484 |
| 4 | 1.936 | ||||
| 4.5×2.8 | 45 | 28 | 3. | 5 | 1.687 |
| 4 | 2.203 | ||||
| 5×3.2 | 50 | 32 | 3. | 5.5 | 1.908 |
| 4 | 2.494 | ||||
| 5.6×3.6 | 56 | 36 | 3. | 6 | 2.153 |
| 4 | 2.818 | ||||
| 5 | 3.466 | ||||
| 6.3×4 | 63 | 40 | 4 | 7 | 3.185 |
| 5 | 3.92 | ||||
| 6 | 4.638 | ||||
| 7 | 5.339 | ||||
| 7×4.5 | 70 | 45 | 4 | 7．5 | 3.57 |
| 5 | 4.403 | ||||
| 6 | 5.218 | ||||
| 7 | 6.011 | ||||
| 7.5×5 | 75 | 50 | 5 | 8 | 4.808 |
| 6 | 5.699 | ||||
| 8 | 7.431 | ||||
| 10 | 9.098 | ||||
| 8×5 | 80 | 50 | 5 | 5.005 | |
| 6 | 5.935 | ||||
| 7 | 6.848 | ||||
| 8 | 7.745 | ||||
| 9×5.6 | 90 | 56 | 5 | 9 | 5.661 |
| 6 | 6.717 | ||||
| 7 | 7.756 | ||||
| 8 | 8.779 | ||||
| 10×6.3 | One hundred. | 63 | 6 | 10 | 7.55 |
| 7 | 8.722 | ||||
| 8 | 9.878 | ||||
| 10 | 12.142 | ||||
| 10×8 | One hundred. | 80 | 6 | 8.35 | |
| 7 | 9.656 | ||||
| 8 | 10.946 | ||||
| 10 | 13.476 | ||||
| 11×7 | 110 | 70 | 6 | 8.35 | |
| 7 | 9.656 | ||||
| 8 | 10.946 | ||||
| 10 | 13.476 | ||||
| 12.5×8 | 125 | 80 | 7 | 11 | 11.066 |
| 8 | 12.551 | ||||
| 10 | 15.474 | ||||
| 12 | 18.33 | ||||
| 14×9 | 140 | 90 | 8 | 12 | 14.16 |
| 10 | 14.475 | ||||
| 12 | 20.724 | ||||
| 14 | 23.908 | ||||
| 15×9 | 150 | 90 | 8 | 14.788 | |
| 10 | 18.26 | ||||
| 12 | 21.666 | ||||
| 14 | 25.007 | ||||
| 15 | 26.652 | ||||
| 16 | 28.281 | ||||
| 16×10 | 160 | One hundred. | 10 | 13 | 19.872 |
| 12 | 23.592 | ||||
| 14 | 27.247 | ||||
| 16 | 30.835 | ||||
| 18×11 | 180 | 110 | 10 | 14 | 22.273 |
| 12 | 26.44 | ||||
| 14 | 30.589 | ||||
| 16 | 34.649 | ||||
| 20×12.5 | 200 | 125 | 12 | 29.761 | |
| 14 | 34.436 | ||||
| 16 | 39.045 | ||||
| 18 | 43.588 | ||||
