Cast Iron The scrap of the rolls contains many alloy additives such as Cr 2.5% -3.5% Ni - 0.8% - 1.5% Mo - 0.2-0.5%. V 0.2% - 0.8%. The roller consists of a cast iron core with C - 3.2% and a cast steel shell with C - 1.2%. There are always higher alloying elements in the roll shells. Scrap especially profitable for quality steel mills Cast iron alloy scrap price 270 Euro exw