| 20G/GB5310 | 152X8 | 5460 | |
| 无缝钢管 | 20G/GB5310 | 152X10 | 5460 |
| 20G/GB5310 | 159X4.5 | 5510 | |
| 20G/GB5310 | 159X5 | 5460 | |
| 20G/GB5310 | 159X5.5 | 5460 | |
| 20G/GB5310 | 159X6 | 5460 | |
| 20G/GB5310 | 159X8 | 5460 |
| 20G/GB5310 | 152X8 | 5460 | |
| 无缝钢管 | 20G/GB5310 | 152X10 | 5460 |
| 20G/GB5310 | 159X4.5 | 5510 | |
| 20G/GB5310 | 159X5 | 5460 | |
| 20G/GB5310 | 159X5.5 | 5460 | |
| 20G/GB5310 | 159X6 | 5460 | |
| 20G/GB5310 | 159X8 | 5460 |