Common metals and their alloys; unwrought and semi-wrought common metals and their alloys, in particular ferro-alloys for inoculation and/or nodulisation, deoxidation, desulphurization, denitration of cast iron; inoculants, namely, substances consisting of a mixture of different alloys based on iron silicide, for the treatment of lamellar and ductile cast iron; [ ferro-silicium ingots, ferro-silicium alloys ingots, ] ferro-silicium and its alloys for the packaging, automobile, aeronautical, m...