Heading 7302
Railway or tramway track constructions of iron or steel; rails, check and track rails, switch blades, crossing frogs, point rods, sleepers, fish-plates, chair wedges, sole plates, bedplates, ties and the like
730210
Iron or steel, railway or tramway track construction material; rails
730230
Iron or steel, railway or tramway track construction material; switch blades, crossing frogs, point rods and other crossing pieces
730240
Iron or steel, railway or tramway track construction material; fish-plates and sole plates
730290
Iron or steel, railway or tramway track construction material; n.e.c. in heading no. 7302