6
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.
unfinished steel castings, particularly frames, [wheel centers, driving boxes, frame crossties, crossheads, cylinder heads, and guide yokes of railway locomotives; ] vestibule frames, doors and hinge s for bank vaults, [field frames, frame s for motors and generators, spiders, and flywheels for electrical machinery; gears,] gear blanks, coupling boxes, and mill housings for general machinery construction; ((center plates, striking plates, end sills, and bolster fillers for railroad cars; bases and racks for bridge construction; cylinders, pipes, elbows, and] press platens for hydraulic machi nery; and annealing boxes and bottoms for use in sheet and tinplate annealing equipment