Section 15 Base metals and articles of base metal 81 Other base metals; cements; articles thereof 81 12 Beryllium, chromium, germanium, vanadium, gallium, hafnium, indium, niobium (columbium), rhenium and thallium, and articles of these metals, including waste and scrap 81 12 41 -- Unwrought; waste and scrap; powders Commodity Code Description 81 12 41 00 -- Unwrought; waste and scrap; powders