HSN Code Finder · Product
Steel Structures HSN Code 7308
Structures and parts of structures of iron or steel (bridges, towers, frameworks) are classified under HSN heading 7308. Bridges and transmission-line towers each have their own tariff item.
Steel Structures HSN codes & GST rates
The 8-digit HSN/HS codes under heading 7308 (structures (excluding prefabricated buildings of heading 9406) 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, 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). Click any code for the full duty stack, IGST schedule and FTA preferential rates.
| HSN code | Description | IGST | BCD |
|---|---|---|---|
| 73081000 | Bridges and bridge-sections | 18% | 15% |
| 73082011 | - For transmission line | 18% | 15% |
FTA preferential rates: 13 partner agreement(s) listed for 73082011; best preferential rate 0% via ASEAN countries; 11 partner(s) at 0%. See full FTA breakdown →
What is the HSN code for steel structures?
The HSN code for steel structures is 7308 at the 4-digit heading level. For GST invoicing and customs filing you generally need the full 8-digit tariff item — for steel structures the most common is 73082011, which attracts 18% IGST.
HSN (Harmonized System of Nomenclature) codes are India's standardised product-classification system used for both GST and customs. The first 2 digits are the chapter, 4 digits the heading, 6 digits the international subheading and 8 digits the India-specific tariff item. Always confirm the exact 8-digit code for your specific variant, and verify the rate against the latest CBIC/DGFT notification before filing.
How steel structures is classified under HSN
The HSN classification for steel structures narrows down level by level — from the broad section to the specific 8-digit tariff item used on your invoice and Bill of Entry.
- Chapter 732-digitArticles of iron or steel
- 73084-digit headingSTRUCTURES (EXCLUDING PREFABRICATED BUILDINGS OF HEADING 9406) 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, 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
- 7308206-digit subheadingTowers and lattice masts :
- 730820118-digit tariff item- For transmission line
Section XV — BASE METALS AND ARTICLES OF BASE METAL
GST on steel structures
Steel Structures (HSN 7308) attracts 18% GST under GST Schedule II. On a sale within the same state this is charged as 9% CGST + 9% SGST; on an inter-state sale or an import it is charged as a single 18% IGST. This is the rate recorded for the primary code 73082011 — other variants in the table above can carry different rates, so match your exact product and verify against the latest CBIC GST rate notification.
Customs duty on imported steel structures
When steel structures (HSN 73082011) is imported into India, the duty stack is approximately: Basic Customs Duty (BCD) 15%, AIDC 15%, Social Welfare Surcharge on the aggregate of customs duties, plus IGST 18% on the assessable value plus duties.
Indicative total duty on ₹100 of assessable value: ₹40.3905. This is an estimate — the actual amount depends on valuation, exemptions and the notifications in force on the date of import.
See the full duty breakdown for 73082011 →Conclusion
The HSN code for steel structures is 7308 at the heading level, with 73082011 the most commonly used 8-digit tariff item (18% GST). Always pick the 8-digit code that matches your exact product variant from the table above, and confirm the GST rate and customs duty against the latest CBIC/DGFT notifications before invoicing or filing a Bill of Entry.
Steel Structures HSN Code — FAQs
HSN code 73082011 (Steel Structures) attracts 18% IGST under Schedule II of the GST notification.
The Basic Customs Duty (BCD) for HSN code 73082011 is 15%. On import, the landed duty also adds Social Welfare Surcharge (on BCD) and IGST (on the duty-inclusive value).
HSN code 73082011 covers Steel Structures. It sits under Chapter 73 – Articles of iron or steel, in Section XV – BASE METALS AND ARTICLES OF BASE METAL.
The HSN code for Steel Structures is 73082011, classified under Chapter 73 – Articles of iron or steel of India's Customs Tariff (ITC-HS).
The standard unit of quantity (UQC) for HSN code 73082011 is u, as listed in the Customs Tariff.
Steel bridges and bridge-sections are classified under 73081000, and transmission-line towers under 73082011, within heading 7308.
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