Section 15 Base metals and articles of base metal 81 Other base metals; cements; articles thereof 81 01 Tungsten (wolfram) and articles thereof, including waste and scrap. Commodity Code Description 81 01 10 Powders 81 01 94 Other : Unwrought tungsten, incl. bars and rods obtained simply by sintering 81 01 95 Bars and rods, excl. those obtained simply by sintering, profiles, plates sheets 81 01 96 Other : Wire 81 01 97 Other : Waste and scrap 81 01 99 Articles of tungsten, nes