Section 15 BASE METALS AND ARTICLES OF BASE METAL 81 OTHER BASE METALS; CERMETS; ARTICLES THEREOF 81 01 TUNGSTEN (WORLFRAM) AND ARTICLES THEREOF, INCLUDING, WASTE AND SCRAP. 81 01 10 TUNGSTEN (WOLFRAM) POWDERS Commodity Code Description 81 01 10 00 TUNGSTEN (WOLFRAM) POWDERS