 |
| Address：Hebei Shengshi Tengda Steelpipe co.,ltd. |
| Zip code：061300 |
| Telephone：86-317-6191772 |
| Facsimile：86-317-6191779 |
| Contact person:Zhangyongfeng |
|
|
 |
Seamless steel pipe parameter
Specification model |
Carries out the standard |
Material quality |
| 89*4.5-10 |
|
|
| 114*5-10 |
GB/T8163-1999 |
20#, ST37,Q345B, |
| 140*5-14 |
GB/T8162-1999 |
ST52,以及其他 |
| 168*6-20 |
Beautiful sign, Japan sign, German sign |
Working standard institute |
| 219*6-25 |
European sign, Russia sign as well as |
Corresponding commonly used material quality |
| 273*6-25 |
Other |
|
| 325*6-25 |
Working standard |
|
| 355*6-25 |
|
|
| 406*8-25 |
|
|
| 457*8-25 |
|
|
| 508*8-25 |
|
|
| 558*8-25 |
|
|
| 609*8-20 |
|
|
|
|
