The hot-rolling strip as the material, under normal atmospheric temperature spiraling and shaping, made by automatic submerged-arc welded technology.
Material: Q235, Q345B, X42-X80
Standard: API 5L, API 5CT, GB/T9711.1-1997
The hot-rolling strip as the material, under normal atmospheric temperature spiraling and shaping, made by automatic submerged
| Welded Line Type: | Spiral |
| Technique: | Welded |
| Grade: | Q235 |
| Standard: | GB |