chemical composition% | ||||||
类别 | C | Si | Mn | Cr | Mo | Ni |
HCrⅠ | 2.30-3.30 | 0.30-1.00 | 0.50-1.20 | 15.0-18.0 | 0.70-1.70 | 0.70-1.50 |
HCrⅡ | 2.30-3.30 | 0.30-1.00 | 0.50-1.20 | 18.0-22.0 | 1.50-2.50 | 0.80-1.50 |


Scope of application: Applicable to work rolls used in the front section of hot continuous rolling finishing mills and rolls used in leveling mills.