| 边长（mm） | 截面面积(cm2) | 理论重量（kg/m) |
| 5 | 0.25 | 0.20 |
| 5.5 | 0.30 | 0.24 |
| 6 | 0.36 | 0.28 |
| 6.5 | 0.42 | 0.33 |
| 7 | 0.49 | 0.39 |
| 8 | 0.64 | 0.50 |
| 9 | 0.81 | 0.64 |
| 10 | 1.00 | 0.79 |
| 11 | 1.21 | 0.95 |
| 12 | 1.44 | 1.13 |
| 13 | 1.69 | 1.33 |
| 14 | 1.96 | 1.54 |
| 15 | 2.25 | 1.77 |
| 16 | 2.56 | 2.01 |
| 17 | 2.89 | 2.27 |
| 18 | 3.24 | 2.54 |
| 19 | 3.61 | 2.82 |
| 20 | 4.00 | 3.14 |
| 21 | 4.41 | 3.46 |
| 22 | 4.84 | 3.80 |
| 13 | 5.29 | 4.15 |
| 24 | 5.76 | 4.52 |
| 25 | 6.25 | 4.91 |
| 26 | 6.76 | 5.30 |
| 27 | 7.29 | 5.72 |
| 28 | 7.84 | 6.15 |
| 29 | 8.41 | 6.60 |
| 30 | 9.00 | 7.06 |
| 31 | 9.61 | 7.54 |
| 32 | 10.24 | 8.04 |
| 33 | 10.89 | 8.55 |
| 34 | 11.56 | 9.07 |
| 35 | 12.25 | 9.62 |
| 36 | 12.96 | 10.17 |
| 38 | 14.44 | 11.24 |
| 40 | 16.00 | 12.56 |
| 42 | 17.64 | 13.56 |
| 45 | 20.25 | 15.90 |
| 48 | 23.04 | 18.09 |
| 50 | 25.00 | 19.63 |
| 52 | 27.04 | 21.23 |
| 55 | 30.25 | 23.75 |
| 56 | 31.36 | 24.61 |
| 58 | 33.64 | 26.41 |
| 60 | 36.00 | 28.26 |
| 63 | 39.69 | 31.16 |
| 65 | 42.25 | 33.17 |
| 68 | 46.24 | 36.30 |
| 70 | 49.00 | 38.47 |
| 75 | 56.25 | 44.16 |
| 80 | 64.00 | 50.24 |
| 85 | 72.25 | 56.72 |
| 90 | 81.00 | 63.59 |
| 95 | 90.25 | 70.85 |
| 100 | 100.00 | 78.50 |