Section 15 Base metals and articles of base metal 81 Other base metals; cements; articles thereof 81 12 Beryllium, chromium, hafnium, rhenium, thallium, cadmium, germanium, v anadium, gallium, indium and niobium (columbium), and articles of these metals, including waste and scrap. 81 12 31 Unwrought; waste and scrap; powders Commodity Code Description 81 12 31 00 Unwrought; waste and scrap; powders
