---
title: "HSN Code for Acetylene Gas Generators | HSN 84051090 GST Rate"
description: "Find HSN and GST Rates for 84051090 related to Acetylene Gas Generators with BUSY Accounting - The reliable source for HSN and GST details in India."
canonical: "https://busy.in/hsn/hsn-84051090/"
---

# HSN Code 84051090: Acetylene Gas Generators

- [Section 16: Guide to HSN Section 16](https://busy.in/hsn/section-16/)
- [Chapter 84: Nuclear Reactors, Boilers & Machinery](https://busy.in/hsn/chapter-84/)
- [Sub-chapter 8405: Gas generators and purifiers](https://busy.in/hsn/sub-chapter-8405/)

## GST rates

| Description | CGST | SGST | IGST | CESS |
| --- | --- | --- | --- | --- |
| 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 : Other | 9% | 9% | 18% | 0% |

## Frequently asked questions

### What products are classified under HSN 84051090 ?

It includes Parts

### Any common misclassification issue with Acetylene Gas Generators?

Use the exact HSN and describe the form/grade. For multi‑line invoices, apply the rate per line to avoid wrong tax collection.

### How much GST applies to Acetylene Gas Generators?

Under HSN 84051090, Acetylene Gas Generators attracts Varies when sold in taxable form. Describe the exact form on the invoice.

### Can we claim ITC on inputs used to trade Acetylene Gas Generators?

If your outward supply is taxable, eligible ITC is available subject to general restrictions. For exempt/Nil supplies, reverse credit per Rule 42.

### How should mixed supplies be billed when Acetylene Gas Generators is sold with other items?

Use separate invoice lines per HSN and apply the correct rate per line (e.g., Varies for Acetylene Gas Generators; Nil for exempt items if applicable).

### Do e‑way bill and e‑invoice apply for Acetylene Gas Generators?

e‑Way bill is needed above ₹50,000 consignment value (subject to exemptions). e‑Invoicing is turnover‑based (presently AATO > ₹5 crore) for B2B supplies.

### Does packaging or labelling change the GST for Acetylene Gas Generators?

For food/agri items, GST can be 5% when not fresh/chilled and sold as pre‑packaged & labelled; otherwise often Nil. For non‑food items, rates depend on the specific sub‑heading.

## India's trade performance: HSN Code 84051090 (FY 2024-25)

Source: TradeStat EIDB, Ministry of Commerce & Industry. Values in ₹ Crore (FY 2018-19 to FY 2024-25).

- Exports: ₹75 Cr (−64.80% YoY) — 0.0020% of India's total exports
- Imports: ₹128 Cr (−48.79% YoY) — 0.0021% of India's total imports
- Trade balance: −₹53 Cr (Deficit); surplus rank #10287 of 12657 HSN codes
- Share of Sub-Chapter 8405: 41.70% of its exports; import side 46.66%
- Rank within Sub-Chapter 8405: #1 of 4 by export value; import-side #1

### Key metrics

- Export CAGR: -6.03% (FY 2018-19 to FY 2024-25, 7 fiscal years)
- National export rank: #3046 of 12657 HSN codes by export value (FY 2024-25)
- Peak growth year: +113.56% in FY 2021-22
- Contribution to Sub-Ch. 8405: 41.70% of its exports (FY 2024-25)

## India export-import trade statistics: HSN Code 84051090

7-year export and import data, FY 2018-19 to FY 2024-25, in ₹ Crore. Source: Ministry of Commerce & Industry, TradeStat EIDB.

| FY | Exports (₹ Cr) | Exp share | Exp YoY | Exp % of Sub-Ch. 8405 | Imports (₹ Cr) | Imp share | Imp YoY | Imp % of Sub-Ch. 8405 | Trade balance | Exp rank |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| FY 2018-19 | 109.35 | 0.0048% | — | 64.57% | 128.55 | 0.0036% | — | 85.92% | −19.20 | #1909 |
| FY 2019-20 | 75.39 | 0.0034% | −31.06% | 42.30% | 77.55 | 0.0023% | −39.67% | 54.66% | −2.16 | #2353 |
| FY 2020-21 | 50.67 | 0.0024% | −32.79% | 45.13% | 109.09 | 0.0037% | +40.67% | 67.88% | −58.42 | #2907 |
| FY 2021-22 | 108.21 | 0.0034% | +113.56% | 72.40% | 94.04 | 0.0021% | −13.80% | 57.23% | +14.17 | #2309 |
| FY 2022-23 | 154.16 | 0.0043% | +42.46% | 67.27% | 159.00 | 0.0028% | +69.08% | 56.36% | −4.84 | #2024 |
| FY 2023-24 | 213.91 | 0.0059% | +38.76% | 69.17% | 250.21 | 0.0045% | +57.36% | 56.97% | −36.30 | #1708 |
| FY 2024-25 | 75.29 | 0.0020% | −64.80% | 41.70% | 128.13 | 0.0021% | −48.79% | 46.66% | −52.84 | #3046 |

- CAGR (7-year): exports -6.03%/yr, imports -0.05%/yr (consistently Deficit)

## Key trade insights: HSN Code 84051090 export-import analysis

### Export decline: -6.03% CAGR over 7 years

India's exports under HSN Code 84051090 have declined at a compound annual rate of -6.03% over 7 fiscal years, falling from ₹109.35 Crore in FY 2018-19 to ₹75.29 Crore in FY 2024-25.

### HSN Code 84051090 ranked #3046 among all 12657 HSN codes by export value

In FY 2024-25, HSN Code 84051090 ranks #3046 out of 12657 HSN codes by total export value. Within Sub-Chapter 8405, it ranks #1 of 4. By trade surplus, it ranks #10287 of 12657.

### FY 2021-22 was the strongest growth year for HSN Code 84051090 exports

The strongest single-year export movement for HSN Code 84051090 was recorded in FY 2021-22, when exports surged by 113.56% over the prior year.

### India records a trade deficit of ₹52.84 Crore in HSN Code 84051090 goods

In FY 2024-25, India's imports of ₹128.13 Cr exceeded exports of ₹75.29 Cr, resulting in a trade deficit of ₹52.84 Crore — ranking #10287 of 12657 by surplus magnitude.

### Import growth of -0.05% CAGR signals stable import dependency for Acetylene Gas Generators

India's imports under HSN Code 84051090 have grown at -0.05% CAGR, reaching ₹128.13 Crore in FY 2024-25.

### HSN Code 84051090 contributes 41.70% of Sub-Chapter 8405 exports — ranked #1

Among the 4 HSN codes under Sub-Chapter 8405, HSN Code 84051090 ranks #1 by export value — accounting for 41.70% of the sub-chapter's total exports in FY 2024-25. On the import side, it holds 46.66% share (rank #1).

## Related HSN Codes in Sub-Chapter 8405

Ranked by export value (FY 2024-25).

| Rank | HSN Code | Exports (FY 2024-25) |
| --- | --- | --- |
| #1 | HSN Code 84051090: Acetylene Gas Generators (this hsn code) | ₹75 Cr |
| #2 | [HSN Code 84051010: Other Gas Generators](https://busy.in/hsn/hsn-84051010/) | ₹72 Cr |
| #3 | [HSN Code 84059000: Parts](https://busy.in/hsn/hsn-84059000/) | ₹29 Cr |
| #4 | [HSN Code 84051020: Other Processing Units](https://busy.in/hsn/hsn-84051020/) | ₹5 Cr |