GST Rate on Slag
The GST rate on slag is 18%, under HSN code 2620 (slag, ash containing metals or metal compounds). Here is the full breakdown, a worked example, and related rates in Construction.
GST rate breakdown for slag
- GST rate: 18%
- Intra-state: 9% CGST + 9% SGST
- Inter-state: 18% IGST
- HSN code on the invoice: 2620
- Also covers: industrial ash
Rates reflect the GST 2.0 structure effective 22 September 2025 (slabs 0%, 5%, 18%, 40%). Confirm the current rate on the official GST portal before invoicing.
Worked example: GST on slag
- Taxable value: ₹10,000
- GST (18%): ₹1,800
- Within state: ₹900 CGST + ₹900 SGST
- To another state: ₹1,800 IGST
- Invoice total: ₹11,800
FAQs about GST on slag
What is the GST rate on slag?
The GST rate on slag is 18%. Intra-state it is 9% CGST + 9% SGST; inter-state it is 18% IGST. Slag falls under HSN code 2620.
What is the HSN code for slag?
Slag falls under HSN code 2620, which covers slag, ash containing metals or metal compounds. Show this code on every GST tax invoice line for slag.