Tungsten iron belongs to the ferroalloy series (with a tungsten content of 70% -80%), which is an alloy composed of tungsten and iron. It is used as an alloy additive in steelmaking to improve the hardness and wear resistance of steel. It is mainly used to produce high-speed Tool steel, special steel and alloy steel. There are two commonly used types of tungsten iron, which contain 70% and 80% tungsten. Our company produces 80 series products.