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 40 Rhenium: 81 12 40 00 Rhenium: Commodity Code Description 81 12 40 00 000 Rhenium: