Average alloyed cast iron
Average alloyed cast iron – gray cast iron contains small amounts of chemical elements such as chromium and nickel. It is soft and highly amenable to corrosive wear material. Chemical composition: C (2,8-3,6); Si (0,6-1,1); Mg (0,8-1,3); Cr (no more than 3); Ni (no more than 5); P (no more than 0.15); S (no more than 0.15).