GB/T 33968
GB/T 33968 (Hot rolled steel sections with improved weldability)· GB (China) · 5 materials
| Designation | Material group | |
|---|---|---|
| Q355QST | Structural and constructional steels | chevron_right |
| Q420QST | Structural and constructional steels | chevron_right |
| Q460QST | Structural and constructional steels | chevron_right |
| Q500QST | Structural and constructional steels | chevron_right |
| Q550QST | Structural and constructional steels | chevron_right |