| 规格 | 理论重量(kg/m) |
|---|---|
| 10×100 | 9.46 |
| 12×120 | 11.5 |
| 14×140 | 13.7 |
| 16×160 | 15 |
| 18×180 | 18.4 |
| 18a×180 | 19.9 |
| 20×200 | 21 |
| 20a×200 | 22.7 |
| 22×220 | 24 |
| 22a×220 | 25.8 |
| 24×240 | 27.3 |
| 24a×240 | 29.4 |
| 27×270 | 31.5 |
| 27a×270 | 33.9 |
| 30×300 | 36.5 |
| 30a×300 | 39.2 |
| 33×330 | 42.2 |
| 36×360 | 48.6 |
| 40×400 | 56.1 |
| 45×450 | 65.2 |
| 50×500 | 76.8 |
| 55×550 | 89.8 |
| 60×600 | 104 |
| 65×650 | 120 |
| 70×700 | 138 |
| 70a×700 | 158 |
| 70b×700 | 184 |