A cast iron roll ring is a roll component made of cast iron and used in various rolling mills. Ductile iron is a cast iron material with high strength, good toughness, and good wear resistance. It is the commonly used material for manufacturing cast iron roller rings. Centrifugal cast iron is a cast iron material with a dense structure and performance. It is also commonly used to manufacture cast iron roller rings. High chromium cast iron is suitable for heavy load rolling conditions. Cast iron roller rings are widely used in various rolling mills, including roughing mills, finishing mills, cold rolling mills, special steel rolling mills, etc. Cast iron roller rings have relatively high strength and toughness, can withstand large impact loads, and are not easy to break. It has a long service life, good processing performance, and is easy to process into various shapes and sizes. A cast iron roll ring is a roll component with performance and wide application. It is an indispensable and important component in steel rolling production. With the advancement of science and technology, the performance of cast iron roller rings will continue to be improved and they will play a greater role in steel rolling production.