Chapter 73 — Articles of iron or steel

Heading 7308 — Structures (excluding prefabricated buildings of heading 94.06) and parts of structures (for example, bridges and bridgesections, lockgates, towers, lattice masts, roofs, roofing frameworks, doors and windows and their frames and thresholds for doors, shutters, balustrades, pillars and columns), of iron or steel; plates, rods, angles, shapes, sections, tubes and the like, prepared for use in structures, of iron or steel.

Subheading 7308.30 — Doors, windows and their frames and thresholds for doors