6 Common metals and their alloys and special alloys namely, nickel based alloys, titanium based alloys and iron based alloys, in particular, bar, metal powder, bright bar, open die forgings and closed die forgings; wires of metal, non-electric; metal tubes; steel sheet, steel plate, wire, wire rod and forms in the nature of metal casting forms for steel; special steels and special materials in the nature of steel for use in tools and molds; filler products for welding and soldering in the nature of welding wire, brazing alloys, metal welding rods, and metal welding flux, welding powder, namely, iron powder and welding strips in the nature of steel strips; steel strip, steel forgings, and metal forgings in the nature of tool and mold steels, hand operated cutting tools in the nature of steel rules, cutting rules, creasing rules, rotary rules, perforation rules, not included in other classes; steel plates