Tungsten is a silver-gray metal. The atomic weight is 183.85. Electronic structure 4f145d46s2. Density (20°C) 19.3g/cm3. Melting point 3400 ℃. Boiling point 5555℃. Tungsten forms solid solution with iron and two intermetallic compounds Fe2W and Fe3W2 or Fe7W6, but both are unstable at high temperature. The melting temperature of ferrotungsten containing W75% to 85% is higher than 2500 ° C, so it cannot be discharged from the furnace, and can only be produced by the accumulation method or the iron extraction method. The density of industrial ferrotungsten is about 15.3g/cm. 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 mater…