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)

7308 (01/1988-..) 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) 73081000 (01/1988-..) Bridges and bridge-sections, of iron or steel 73082000 (01/1988-..) Towers and lattice masts, of iron or steel 73083000 (01/1988-..) Doors, windows and their frames and thresholds for doors, of iron or steel 73084000 (01/2012-..) Equipment for scaffolding, shuttering, propping or pit-propping (excl. composite sheetpiling products and formwork panels for poured-in-place concrete, which have the characteristics of moulds) 73084010 (01/1994-12/2011) Mine supports, of iron or steel 73084090 (01/1994-12/2011) Equipment for scaffolding, shuttering, propping or pit-propping, of iron or steel (excl. mine supports, composite sheetpiling products and formwork panels for poured-in-place concrete, which have the characteristics of moulds) 73089010 (01/1988-12/2011) Weirs, sluices, lock-gates, landing stages, fixed docks and other maritime and waterway structures, of iron or steel 73089051 (01/1988-..) Panels comprising two walls of profiled `ribbed` sheet, of iron or steel, with an insulating core 73089059 (01/1988-..) Structures and parts of structures, of iron or steel, solely or principally of sheet, n.e.s. (excl. doors and windows and their frames, and panels comprising two walls of profiled `ribbed` sheet, of iron or steel, with an insulating core) 73089098 (01/2012-..) Structures and parts of structures of iron or steel, n.e.s. (excl. bridges and bridge-sections, towers, lattice masts, doors, windows and their frames and thresholds, equipment for scaffolding, shuttering, propping or pit-propping, and products made principally of sheet) 73089099 (01/1988-12/2011) Structures and parts of structures of iron or steel, n.e.s. (excl. bridges and bridge-sections, towers, lattice masts, gates, doors, windows and their frames and thresholds, equipment for scaffolding, shuttering, propping or pit-propping, weirs, sluices, lock-gates, fixed docks, landing stages and other maritime and waterway structures, and structures and parts of structures not manufactured exclusively or mainly from plate)