41601 - Tungsten, molybdenum, tantalum, magnesium, cobalt, cadmium, titanium, zirconium, beryllium, gallium, hafnium, indium, niobium, rhenium and thallium, germanium and vanadium, unwrought, and powders thereof, except powders of magnesium; waste and scrap of gallium, hafnium, indium, niobium, rhenium, germanium and vanadium; cobalt mattes and other intermediate products of cobalt metallurgy