https://www.hsgmetal.com/products/ferro-tungsten/ HSG METAL, as one of ferro tungsten suppliers, provides ferro tungsten for sale. Ferrotungsten belongs to the ferro wolfram series. Ferro tungsten is an alloy composed of tungsten and iron. It is used as an alloy additive in steelmaking. The commonly used tungsten iron has two kinds of 70% tungsten and 80% tungsten.All Rights Reserved