High Chrome Cast Iron Rolls are manufactured from high alloy materials, whose microstructure is bainite and chrome carbides and core is filled with spheroidal graphite cast iron.
| Code |
Chemical Composition（%） |
Surface Hardness（HSD） |
| C |
Si |
Mn |
Cr |
Ni |
Mo |
P |
S |
V |
Cu |
Mg |
Barrel |
Neck |
| HCrⅠ |
2.30-2.80 |
0.30-1.00 |
0.50-1.20 |
12.00-15.00 |
0.70-1.70 |
0.70-1.50 |
≤0.10 |
≤0.05 |
≤0.60 |
|
|
60-75 |
30-45 |
| HCrⅡ |
2.50-3.30 |
0.30-1.00 |
0.50-1.20 |
15.01-18.00 |
0.70-1.70 |
0.70-1.50 |
≤0.10 |
≤0.05 |
≤0.60 |
|
|
65-80 |
30-45 |
| HCrⅢ |
2.50-3.30 |
0.30-1.00 |
0.50-1.20 |
18.01-22.00 |
0.70-1.70 |
1.51-3.00 |
≤0.10 |
≤0.05 |
≤0.60 |
|
|
75-90 |
30-45 |
