YB/T 4137
YB/T 4137 (Low welding crack susceptibility high strength steel plates)· YB (China) · 6 materials
| Designation | Material group | |
|---|---|---|
| Q490CF | Structural and constructional steels | chevron_right |
| Q500CF | Structural and constructional steels | chevron_right |
| Q550CF | Structural and constructional steels | chevron_right |
| Q620CF | Structural and constructional steels | chevron_right |
| Q690CF | Structural and constructional steels | chevron_right |
| Q800CF | Structural and constructional steels | chevron_right |