About HSN Code 7603
HSN Code 7603 covers Aluminium Powders and Flakes and attracts a GST rate of 18%. For intra-state supplies, this is split as 9% CGST + 9% SGST. For inter-state supplies, 18% IGST is charged. This code falls under the Metals & Hardware sector (Steel trader, hardware shop, aluminium).
How to Use HSN Code 7603 on GST Invoices
- Include the HSN code 7603 on every GST invoice for aluminium powders and flakes
- Businesses with turnover above ₹5 crore must use 6-digit HSN codes
- Turnover between ₹1.5–5 crore: 4-digit codes are sufficient
- The HSN code must match the product/service description on your invoice
- Incorrect HSN codes can lead to GST notices and ITC mismatches
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Last verified: 2026-06-26 · Source: CBIC Master Tariff