HS code 3810 10 20: Thermite portion for welding (alumina thermic heat generators)

HS code 3810 10 20 covers thermite portion for welding (alumina thermic heat generators) in chapter 38 (miscellaneous chemical products). Total import duty is about 27.73% of the import value; DGFT import policy: Free.

Total import dutyabout 27.73%
Basic customs duty7.5%
IGST18%
Import policyFree
Export policyFree
Anti-dumpingNone found

Updated 2026-11-01 from official lists, including Budget 2026 and later customs notifications.

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Key facts

Tariff item (8-digit HS code)3810 10 20
DescriptionThermite portion for welding (alumina thermic heat generators)
Chapter38: Miscellaneous chemical products
Heading3810
Unitkg.
Basic customs duty (tariff rate)7.5%
Basic customs duty charged7.5%
Social welfare surcharge10% of BCD
IGST18%
Total import dutyabout 27.73% of the import value
DGFT import policyFree
DGFT export policyFree

Import duty (with Budget 2026 changes)

  • About ₹27,730 duty on every ₹1,00,000 of import value (CIF).

DGFT import and export policy

  • Import: Free.
  • Export: Free.

India's imports and exports

  • India exported 775 tonnes in 2025-26 (down 12.3% on 2024-25) under tariff item 38101020, “Thermite p0rti0n f0r welding (alumina thermic heat generat0rs)”.

Questions about HS code 3810 10 20

What is the import duty on HS code 3810 10 20 in India?

About 27.73% of the import value: basic customs duty 7.5%, social welfare surcharge 10% of BCD and IGST 18%. IGST can usually be claimed back as input tax credit.

Is the import of thermite portion for welding (alumina thermic heat generators) free in India?

DGFT import policy for HS code 3810 10 20 is Free.

Can thermite portion for welding (alumina thermic heat generators) be exported from India?

DGFT export policy for HS code 3810 10 20 is Free.

Other lines under heading 3810

3810 10 10: Pickling preparations and other soldering brazing 3810 10 90: Other3810 90 10: Preparations of a kind used as cores or coatings f3810 90 90: Other

Sources: Customs Tariff of India (CBIC) · Notification 45/2025-Customs and Budget 2026 amendments · IGST rates, Notification 9/2025-Integrated Tax (Rate) · DGFT ITC(HS) import and export policy · CBIC Customs (ADD) notifications · Export Import Data Bank (DGCI&S). Guidance from official lists, not legal advice; confirm the classification with your customs broker.