XCC

[ Unwrought and semi-wrought common metals and their alloys; composite metal/ceramic materials, namely, alloys comprised primarily of metal - for producing heavy-duty castings; special steels and steel alloys, ] refractory steels * ; *[, stainless steels, special high alloy steels for resistance to wear, impact, heat and corrosion, cast pieces made of these steels and alloys; cast iron, ] unwrought or semi-wrought, alloys of cast iron, special high alloy cast irons for resistance to wear, impact, heat and corrosion * ; * [, cast pieces made from these cast irons and alloys; fireplace grates of sintering chains, stainless steel valves, special metal plugs; ] composite metal/ceramic materials composed primarily of metal for producing heavy-duty castings [ ; grinding elements made of metal/ceramic alloys for industrial grinders, namely, steel grinding beads for use in wet milling ]