Grey Cast Iron Castings are characterized by their graphitic microstructure, which causes fractures of the material to have a grey appearance. It is the most commonly used cast iron and the most widely used cast material based on weight. Most Cast Irons have a chemical composition of 2.5% to 4.0% carbon, 1% to 3% silicon, and the remainder is iron. The Grey Cast Iron Castings are rust free and tough. Clients can avail accurately dimensioned Grey Cast Iron Castings from us. Production Capacity : Casting of single piece 50 grams to 2000 kilograms (2 MT)