| 标准 |
GB |
| 年级 |
10#-45# |
| 厚度 |
6 - 8 mm |
| 外层直径 |
273 - 529 mm |
| 出生地 |
Hebei China (Mainland) |
| 科形状 |
轮 |
| 中学或没有 |
是次要的 |
| 技术 |
看到 |
Our company mainly produece spiral submerged arc welding steel tube. has 8 production lines for od219-3220 mm SSAW steel pipe, with an annual production capacity of 90,000 tons, which are widely used in oil, gas feeding, tap water, polluted water project, heat supply network, reconstruction and ect., as well as in piling, bridge and steel stucture and etc.