圓鐵
2020-09-23一般構造用：圍柵、基礎螺絲等。
特 殊 鋼：普通和高拉力螺絲螺帽、T型鐵心、機械軸心、手工具
磨光棒、續接器、管路零件、汽機車傳動零件等。
| 直徑 (mm) | 重量 kg/m | 總重 (m*kg) | ||
| 6 | 8 | 12 | ||
| 9 | 0.499 | 3.0 | 4.0 | 6.0 |
| 12 | 0.888 | 5.3 | 7.1 | 10.7 |
| 14 | 1.210 | 7.3 | 9.7 | 14.5 |
| 16 | 1.580 | 9.5 | 12.6 | 19.0 |
| 19 | 2.230 | 13.4 | 17.8 | 26.8 |
| 22 | 2.980 | 17.9 | 23.8 | 35.8 |
| 25 | 3.850 | 23.1 | 30.8 | 46.2 |
| 28 | 4.830 | 29.0 | 38.6 | 58.0 |
| 30 | 5.550 | 33.3 | 44.4 | 66.6 |
| 32 | 6.310 | 37.9 | 50.5 | 75.7 |
| 38 | 8.900 | 53.4 | 71.2 | 106.8 |
| 40 | 9.870 | 59.2 | 79.0 | 118.4 |
| 45 | 12.500 | 75.0 | 100.0 | 150.0 |
| 50 | 15.400 | 92.4 | 123.2 | 184.8 |
| 60 | 22.200 | 133.2 | 177.6 | 266.4 |
| 70 | 30.200 | 181.2 | 241.6 | 362.4 |
| 80 | 39.500 | 237.0 | 316.0 | 474.0 |
