The reason for the price increase of cast iron strip steel is that the cost of pig iron has risen obviously, and the steel, scrap and futures markets have strengthened. Therefore, the prices of raw materials such as iron ore and coke have risen sharply, and the price of cast iron will rise with steel.
Cast iron refers to iron-carbon alloy with carbon content above 2%. Industrial cast iron generally contains 2% to 4% carbon. Carbon mainly exists in the form of graphite in cast iron.