Harmonized System
Section XV > Chapter 73 > Heading 7301 > 7301.10
Sheet piling
Section XV > Chapter 73 > Heading 7301 > 7301.20
Angles, shapes and sections
Section XV > Chapter 73 > Heading 7302
Railway or tramway track construction material of iron or steel, the following : rails, check-rails and rack rails, switch blades, crossing frogs, point rods and other crossing pieces, sleepers (cross-ties), fish-plates, chairs, chair wedges, sole plates (base plates), rail clips, bedplates, ties and other material specialized for jointing or fixing rails.
Section XV > Chapter 73 > Heading 7302 > 7302.30
Switch blades, crossing frogs, point rods and other crossing pieces
Section XV > Chapter 73 > Heading 7302 > 7302.40
Fish-plates and sole plates
Section XV > Chapter 73 > Heading 7303
Tubes, pipes and hollow profiles, of cast iron.
Section XV > Chapter 73 > Heading 7303 > 7303.00
Tubes, pipes and hollow profiles, of cast iron
Section XV > Chapter 73 > Heading 7304
Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel.