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 97 WASTE AND SCRAP OF TUNGSTEN (WOLFRAM) Commodity Code Description 81 01 97 00 WASTE AND SCRAP OF TUNGSTEN (WOLFRAM)