HSN Code 84051020 -- – Producer gas or water gas generators, with or without their purifiers; acetylene (GST Rate 18%)

HSN Code 84051020

Producer gas or water gas generators, with or without their purifiers; acetylene gas generators and similar water process gas generators, with or without their purifiers - producer gas or water gas generators, with or without their purifiers; acetylene gas generators and similar water process gas generators, with or without their purifiers:acetylene gas generators

HSN84051020

Producer gas or water gas generators, with or without their purifiers; acetylene gas generators and similar water process gas generators, with or without their purifiers - producer gas or water gas generators, with or without their purifiers; acetylene gas generators and similar water process gas generators, with or without their purifiers:acetylene gas generators

18%
IGST
Schedule II
CGST9%
SGST/UTGST9%
CessNil
Chapter: Chapter 84 -- Nuclear reactors, boilers, machinery
Heading: 8405
Subheading: 840510
Source: Notification No. 9/2025 - Central Tax (Rate)
Effective from: 2025-09-22
Last verified: 2026-06-03

When does this rate apply?

Use this HSN Code on tax invoices when supplying Producer gas or water gas generators, with or without their purifiers; acetylene. GST is charged at 18% (IGST for inter-state, or CGST 9% + SGST 9% for intra-state). If the supply is exported under LUT, the rate is zero with no IGST charged.

This page is reviewed by CA Tirumalesh. For high-value or unusual transactions, confirm with the latest CBIC notification or consult a chartered accountant before invoicing.

Create an invoice with this code → See all items at 18% →

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Frequently asked questions

What is HSN Code 84051020?
HSN Code 84051020 is the official Harmonized System of Nomenclature code for Producer gas or water gas generators, with or without their purifiers; acetylene gas generators and similar water proces, as per the CBIC GST rate schedule.
What is the GST rate for HSN Code 84051020?
HSN Code 84051020 attracts GST at 18% (IGST). For intra-state supplies, this is split as CGST 9% + SGST 9%. As per Notification No. 9/2025 - Central Tax (Rate).
Which chapter does HSN Code 84051020 belong to?
HSN Code 84051020 falls under Chapter 84 -- Nuclear reactors, boilers, machinery of the GST tariff.
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