About HSN Code 810520

HSN Code 810520 covers Cobalt Mattes and Other Intermediate Products of Cobalt Metallurgy, Unwrought Cobalt, Powders : 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 810520 on GST Invoices

• Include the HSN code 810520 on every GST invoice for cobalt mattes and other intermediate products of cobalt metallurgy, unwrought cobalt, powders :
• 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

Related HSN Codes

• 81052010 — Cobalt Mattes and Other Intermediate Products of Cobalt Metallurgy
• 81052020 — Cobalt Unwrought
• 81052030 — Powders
• 810530 — Waste and Scrap
• 81053000 — Waste and Scrap

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Last verified: 2026-06-26 · Source: CBIC Master Tariff