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Back up Roll
Pic.1 Hardness Curve of Back up Roll
Table.1 Performance Data
| Symbol | Type of material | Application |
| 70Cr3Mo | 3%Cr | Cold Rolling Mills |
| 45Cr4NiMoV | 4%Cr | Cold Rolling Mills |
| YB-70 | 5%Cr | Hot & cold rolling mills |
UP: NO!
NEXT: NO!
