GB/T 13792
GB/T 13792 (Welded steel pipe for supporting roller of belt conveyor)· GB (China) · 3 materials
| Designation | Material group | |
|---|---|---|
| 20 | Structural and constructional steels | chevron_right |
| Q215 | Structural and constructional steels | chevron_right |
| Q235 | Structural and constructional steels | chevron_right |