Chilled Cast Iron Rolls with nickel chromium molybdenum nodular cast iron
It mixes cast iron with nickel, chromium, molybdenum nodular cast iron, through a special heat treatment to obtain the pearlite ductile iron roll.
Pearlitic nodular cast iron roll has good strength, high temperature performance and anti accident performance, small hardness drop on the work layer.
Standard includes ISO, GB, ASTM, DIN, JIS.
OEM and ODM is available
Application
Large blooming mill,
Section steel tandem rolling,
Bar and wire rough rolling,
Intermediate rolling mill rack, milling table rollers
Chemical Composition
Roll name | C | Si | Mn | Cr | Ni | Mo | Mg |
AF1 | 3.00~3.50 | 1.60~2.40 | 0.40~1.00 | 0.10~0.40 | 1.20~2.00 | 0.20~0.60 | ≥0.04 |
AF2 | 3.00~3.50 | 1.40~2.20 | 0.40~1.00 | 0.20~1.00 | 1.50~2.50 | 0.30~0.80 | ≥0.04 |
AF3 | 3.00~3.50 | 1.20~2.0 | 0.40~1.00 | 0.20~1.00 | 2.00~3.00 | 0.30~0.80 | ≥0.04 |
Physical Properties
Roll name | Roll-body hardnessHSD | Tensile strengthMpa |
AF1 | 40~55 | ≥360 |
AF2 | 50~65 | ≥360 |
AF3 | 60~72 | ≥360 |

