Common metals and their alloys; metal building materials; transportable buildings of metal; materials of metal for railway tracks; non-electric cables and wires of common metal; ironmongery, small items of metal hardware; pipes and tubes of metal; safes; goods of common metal not included in other classes; ores; tungsten carbide compositions in this class; soldering wire of metal, rods of metal for welding, silver solder, flexible metallic cords for soldering; compositions, in the nature of a rope or wire, for applying an abrasion-resistant coating to a surface