Iron alloys mainly composed of tungsten and iron. It also contains impurities such as manganese, silicon, carbon, phosphorus, sulfur, copper, and tin, and is an alloying agent for steelmaking. According to the different tungsten content, ferrotungsten is divided into: FeW75 (including W70%~80%, C≤0.20%, P≤0.04%, S≤0.08%, Si≤0.5%, Mn≤0.25%) and FeW80 (including W75.0%~85.0%, C≤0.20%, P≤0.04%, S≤0.08%, Si≤0.7% and Mn≤0.25%). Company Profile Jiangsu Leiji Metal Materials Co., Ltd. is a manufacturer of sodium tungstate, tungsten bar, sodium molybdate, ammonium molybdate, molybdenum bar, and other tungsten and molybdenum series products. And concurrently operate waste tungsten, waste molybdenum, ferrovanadium, ferrotungsten, ferromolybdenum and other charge materials, and various kinds of tungsten and molybdenum production raw materials. Our factory has production equipment, advanced production technology, sophisticated product testing methods and many years of production exper…