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.
specialty metals and metallics, namely, stainless steels, silicon electrical steels, tool steels, and nickel, cobalt, titanium, niobium, hafnium, zirconium, vanadium, and alloys and materials thereof, in mill product forms, namely, ingots, billets, castings, forgings, bar, rods, wire, plates, sheets, strips, and foil
16
Paper, cardboard and goods made from these materials, not included in other classes; printed matter; bookbinding material; photographs; stationery; adhesives for stationery or household purposes; artists' materials; paint brushes; typewriters and office requisites (except furniture); instructional and teaching material (except apparatus); plastic materials for packaging (not included in other classes); printers' type; printing blocks.
publications, namely, brochures, booklets, pamphlets, and promotional materials in the field of specialty metals, metallics, and materials