GB/T 31946
GB/T 31946 (Steel plates for steel penstock in hydropower station)· GB (China) · 9 materials
| Designation | Material group | |
|---|---|---|
| Q345SC | Structural and constructional steels | chevron_right |
| Q345SD | Structural and constructional steels | chevron_right |
| Q345SE | Structural and constructional steels | chevron_right |
| Q490SD | Structural and constructional steels | chevron_right |
| Q490SE | Structural and constructional steels | chevron_right |
| Q560SD | Structural and constructional steels | chevron_right |
| Q560SE | Structural and constructional steels | chevron_right |
| Q690SD | Structural and constructional steels | chevron_right |
| Q690SE | Structural and constructional steels | chevron_right |