Structures (excluding prefabricated buildings of heading 94.06) and parts of structures (for example, bridges and bridge-sections, lock-gates, towers, lattice masts, roofs, roofing frame-works, doors and windows and their frames and thresholds for doors, and shutters, balustrades, pillars, and columns), of iron or steel; plates, rods, angles, shapes, section, tubes and the like, prepared for using structures, of iron or steel [other than transmission towers] — GST rate 18%

As per Notification 9/2025, structures (excluding prefabricated buildings of heading 94.06) and parts of structures (for example, bridges and bridge-sections, lock-gates, towers, lattice masts, roofs, roofing frame-works, doors and windows and their frames and thresholds for doors, and shutters, balustrades, pillars, and columns), of iron or steel; plates, rods, angles, shapes, section, tubes and the like, prepared for using structures, of iron or steel [other than transmission towers] classified under HSN 7308 attracts 18% GST effective 22 September 2025. On an intra-state supply this is charged as 9% CGST plus 9% SGST; on an inter-state supply the full 18% is charged as IGST. This rate applies subject to the condition: other than transmission towers].