The pearlitic ductile iron roller is obtained by adding the proper amount of nickel, chromium, and molybdenum alloy elements into nodular cast iron after special heat treatment. Pearlitic ductile iron roll has good strength, high-temperature performance, and accident resistance, and the hardness drop of the working layer is small. Suitable for large blooming mills, continuous rolling of section steel, and rough and medium rolling of bar and wire.
Pearlitic ductile iron rolls are a special type of ductile iron rolls that combine the properties of pearlite and ductile iron. Pearlite is a microstructure consisting of a layered structure of ferrite and iron carbide (Fe3C) that is typically formed in slowly cooled steel. The layered structure of pearlite provides high hardness and wear resistance, helping to extend the life of the rolls. Pearlitic ductile iron rolls have good stability at high temperatures and are suitable for use in hot rolling processes. Pearlitic ductile iron rolls have high strength and hardness while maintaining a certain degree of plasticity, allowing them to perform well during the rolling process. Pearlitic ductile iron rolls can be used in a variety of environments, including some chemically corrosive environments.