GB/T 6725
GB/T 6725 (General requirements of cold forming steel sections)· GB (China) · 12 materials
| Designation | Material group | |
|---|---|---|
| Q195 | Structural and constructional steels | chevron_right |
| Q215 | Structural and constructional steels | chevron_right |
| Q235 | Structural and constructional steels | chevron_right |
| Q345 | Structural and constructional steels | chevron_right |
| Q390 | Structural and constructional steels | chevron_right |
| Q420 | Structural and constructional steels | chevron_right |
| Q460 | Structural and constructional steels | chevron_right |
| Q500 | Structural and constructional steels | chevron_right |
| Q550 | Structural and constructional steels | chevron_right |
| Q620 | Structural and constructional steels | chevron_right |
| Q690 | Structural and constructional steels | chevron_right |
| Q750 | Structural and constructional steels | chevron_right |