SECTION XV — BASE METAL & ARTICLES OF BASE METAL
Chapter 73
Articles of iron or steel
50 HS codes
7301SHEET PILING OF IRON OR STEEL, WHETHER OR NOT DRILLED, PUNCHED OR MADE FROM ASSEMBLED ELEMENTS; WELDED ANGLES, SHAPES AND SECTIONS, OF IRON OR STEEL7302RAILWAY 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 RAILS730210Rails 7303TUBES, PIPES AND HOLLOW PROFILES, OF CAST IRON7304TUBES, PIPES AND HOLLOW PROFILES, SEAMLESS, OF IRON (OTHER THAN CAST IRON) OR STEEL730411Of stainless steel73042Casing, tubing and drill pipe, of a kind used in drilling for oil and gas