GB/T 20564.9
GB/T 20564.9 (Continuously cold rolled high strength steel sheet and strip for automobile - Part 9: Quenching and partitioning steel)· GB (China) · 3 materials
| Designation | Material group | |
|---|---|---|
| CR550/980QP | Structural and constructional steels | chevron_right |
| CR650/980QP | Structural and constructional steels | chevron_right |
| CR700/1180QP | Structural and constructional steels | chevron_right |