6 Materials of metal for railway construction, namely, mine rail, heavy haul and commuter railroad rail, crane, rail ties, preassembled rail panels, rail turnouts, rail frogs, rail fasteners, rail switches, namely, a non-powered mechanism for guiding trains from one set of rails to another, railway crossovers, rail braces, rail guard rails, rail joints, insulated rail joints; steel; rolled steel; steel pipes and tubes; steel plates and sheets; steel rails; steel rods; steel coils; steel bars; stainless steel tubes; zinc-coated steel sheets; plated steels; galvanized steel sheets; steel frames for buildings; construction elements, namely, steel piling; metal box beams, bridge and highway railing of metal, guard rails and posts of metal; metal construction elements, namely, sheet piling; construction elements, namely, steel pipe piling; steel grid flooring; metal casings; metal expansion joints for bridge decks; metal downspouts