Section 15 Base metals and articles of base metal 81 Other base metals; cermets; articles thereof 81 12 BERYLLIUM, CHROMIUM, HAFNIUM, RHENIUM, THALLIUM, CADMIUM, GERMANIUM, VANADIUM, GALLIU 81 12 12 Unwrought; powders 81 12 12 00 Unwrought; powders Commodity Code Description 81 12 12 00 000 Unwrought; powders