Ved »uædle metaller« forstås overalt i nomenklaturen: jern og stål, kobber, nikkel, aluminium, bly, zink, tin, tungsten (wolfram), molybden, tantal, magnesium, cobalt, bismuth, cadmium, titan, zirconium, antimon, mangan, beryllium, chrom, germanium, vanadium, gallium, hafnium, indium, niobium (columbium), rhenium og tallium.
Throughout the nomenclature, the expression ‘base metals’ means: iron and steel, copper, nickel, aluminium, lead, zinc, tin, tungsten (wolfram), molybdenum, tantalum, magnesium, cobalt, bismuth, cadmium, titanium, zirconium, antimony, manganese, beryllium, chromium, germanium, vanadium, gallium, hafnium, indium, niobium (columbium), rhenium and thallium.