The mill rolls are mainly used for the rolling mill, which cause continuous plastic deformation of the metal. The mill roller is mainly composed of a roll body, a roll neck and a shaft head. The roll body is the middle part of the roll, which actually participates in the rolling of the metal with a smooth cylindrical or grooved surface. There are steel rolls, cast iron rolls, alloy rolls, ceramic rolls, etc, according to the roll material. Depending on the manufacturing method, the mill rolls have types of casting rolls, forging rolls, surfacing rolls, sleeve rolls, etc.Also, mill rolls are classified into hot rolling rolls and cold rolling rolls, as per the steel. The properties and quality of a mill roll generally depend on its chemical composition and manufacturing method, which can be evaluated by its microstructure, physical and mechanical properties.
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