GB/T 713.6
GB/T 713.6 (Steel plate, sheet and strip for pressure equipments Part 6: Quenched and tempered high-strength steel)· GB (China) · 8 materials
| Designation | Material group | |
|---|---|---|
| Q490DRL1 | Structural and constructional steels | chevron_right |
| Q490DRL2 | Structural and constructional steels | chevron_right |
| Q490R | Structural and constructional steels | chevron_right |
| Q490RW | Structural and constructional steels | chevron_right |
| Q580DR | Structural and constructional steels | chevron_right |
| Q580R | Structural and constructional steels | chevron_right |
| Q690DR | Structural and constructional steels | chevron_right |
| Q690R | Structural and constructional steels | chevron_right |