GB/T 20887.3
GB/T 20887.3 (Continuously hot rolled high strength steel sheet and strip for automobile. Part 3: Dual phase steel)· GB (China) · 4 materials
| Designation | Material group | |
|---|---|---|
| HR300/540DP | Structural and constructional steels | chevron_right |
| HR330/580DP | Structural and constructional steels | chevron_right |
| HR380/680DP | Structural and constructional steels | chevron_right |
| HR450/780DP | Structural and constructional steels | chevron_right |