The high quality carbon structural steel is used as the main material. The roller adopts an integral structure. The shaft head and the roll surface are made of the same material to ensure the manufacturing accuracy of the roll. The roll surface is plated with hard chrome, which is durable and beautiful.
Hard chrome plated surface, long service life. Different concave curves can be made according to the static deflection of the sizing roller.
The hardness of chromium layer is above HV1000