Cast iron is one of the traditional materials for making water-quenching rollers, especially widely used in steel smelting and rolling processes. Cast iron has become a common choice for making water-quenching rollers due to its good casting properties, low cost and good wear resistance.

​Common types of water quenching rollers are: 1. Single-layer water-quenching roller 2. Double-layer water-quenching roller 3. Multi-layer water-quenching roller 4. Customized water-quenching roller