GB/T 20564.3
GB/T 20564.3 (Continuously cold rolled high strength steel sheet and strip for automobile. Part 3: High strength interstitial free steel)· GB (China) · 3 materials
| Designation | Material group | |
|---|---|---|
| CR180IF | Structural and constructional steels | chevron_right |
| CR220IF | Structural and constructional steels | chevron_right |
| CR260IF | Structural and constructional steels | chevron_right |