iron and steel industry Sector of the metallurgical industry dealing with the production of cast iron, steel and iron alloys. Emissions from these industries tend to settle quickly from the atmosphere and can lead to rising concentrations in the soil. The main raw material input to the production process is iron ore. Also recycled scrap is used
iron industry A sector of the economy in which an aggregate of commercial enterprises is engaged in the extraction and refinement of iron ore to produce cast iron, wrought iron and steel
