| 20#/GB8162 | 48X8 | 4810 | |
| 20#/GB8162 | 50X3 | 4610 | |
| 20#/GB8162 | 50X3.5 | 4610 | |
| 无缝钢管 | 20#/GB8162 | 50X5.5 | 4610 |
| 20#/GB8162 | 50X6 | 4610 | |
| 20#/GB8162 | 50X8 | 4610 | |
| 20#/GB8162 | 70X6 | 4410 |
| 20#/GB8162 | 48X8 | 4810 | |
| 20#/GB8162 | 50X3 | 4610 | |
| 20#/GB8162 | 50X3.5 | 4610 | |
| 无缝钢管 | 20#/GB8162 | 50X5.5 | 4610 |
| 20#/GB8162 | 50X6 | 4610 | |
| 20#/GB8162 | 50X8 | 4610 | |
| 20#/GB8162 | 70X6 | 4410 |