Q3Codes under 7603
| Code | Description | GST rate |
|---|---|---|
| 7603 10 | Powders of non-lamellar structure: | 18% |
| 7603 10 10 | Aluminium powder for thermit process | 18% |
| 7603 20 | Powders of lamellar structure, flakes | 18% |
Frequently Asked Questions
What is the HSN code for aluminium powders and flakes?
The HSN code for aluminium powders and flakes is 7603, under Chapter 76 (Aluminium and aluminium articles).
What is the GST rate on aluminium powders and flakes?
Aluminium powders and flakes is taxed at 18% GST under HSN code 7603.
How many digits of the HSN code go on a GST invoice?
It depends on your turnover in the previous financial year: businesses above ₹5 crore generally show 6 digits (8 for certain specified goods), and smaller businesses show 4 digits on B2B invoices. Check the current e-invoicing/HSN notification for the exact threshold that applies to you.
Rates as per Notification No. 9/2025-Central Tax (Rate), as amended, as of 7 October 2026. For guidance only — verify with your tax advisor.