Structural metal products

Metal frameworks or skeletons for construction and parts thereof (towers, masts, trusses, bridges etc.); Industrial frameworks in metal (frameworks for blast furnaces, lifting and handling equipment etc.)
7610
Structures and parts of structures "e.g., bridges and bridge-sections, towers, lattice masts, pillars and columns, roofs, roofing frameworks, doors and windows and their frames and thresholds for doors, shutters, balustrades", of aluminium (excl. prefabricated buildings of heading 9406); plates, rods, profiles, tubes and the like, prepared for use in structures, of aluminium
Prefabricated buildings mainly of metal: Site huts, modular exhibition elements etc.
9406
Prefabricated buildings, whether or not complete or already assembled
Metal doors, windows and their frames, shutters and gates; Metal room partitions for floor attachment
7308
Structures and parts of structures "e.g., bridges and bridge-sections, lock-gates, 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 (excl. prefabricated buildings of heading 9406)
Metal doors, windows and their frames, shutters and gates; Metal room partitions for floor attachment
7308
Structures and parts of structures "e.g., bridges and bridge-sections, lock-gates, 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 (excl. prefabricated buildings of heading 9406)