Overview Silico manganese is a ferroalloy that contains 60-68% manganese, 14-21% silicon, and 5-2.5% iron. It is produced by smelting quartz, coke, and carbon from slightly elevated ferromanganese or manganese ore in an immersed electric arc furnace. Silico manganese is a key ingredient in steel production, and it is used to improve the strength, ductility, and corrosion resistance of steel. It...