Heading · Section XVI

8404: Auxiliary plant for use with boilers of heading 8402 or 8403 (for example, economisers, superheaters, soot removers, gas recoverers); condensers for steam or other vapour power units

8404
  • FreeUK
  • 2.7%EU
  • 40%–50%Türkiye
  • 3.5%–5%USA
  • US$1.5bnWorld trade in 2024

Heading 8404 is divided into 3 six-digit subheadings and sits in chapter 84, nuclear reactors, boilers, machinery and mechanical appliances; parts thereof.

The UK Global Tariff divides heading 8404 into 3 tariff lines; the duty is duty-free.

In the EU Combined Nomenclature, heading 8404 covers 3 tariff lines and the duty is 2.7%.

The Turkish Customs Tariff Schedule divides heading 8404 into 11 tariff lines; the statutory rate is between 40% and 50% (average 41.8%).

In the Harmonized Tariff Schedule of the United States, heading 8404 covers 3 tariff lines and the duty is between 3.5% and 5%.

In 2024, countries exported heading 8404 goods worth US$1.5bn (−5.6% year on year).

The largest exporter was China (US$415.7m), followed by Germany.

The biggest buyer was the United States, with imports of US$125.9m.

The United Kingdom ranked 11th among 111 exporters with US$46.5m.

The United Kingdom imported US$81.1m.

Duty rates compared

UK Free Third-country duty 3 tariff lines EU 2.7% Third-country duty 3 tariff lines Türkiye 40% – 50% Statutory rate (Law 474) 11 tariff lines · average 41.8% USA 3.5% – 5% General (MFN) 3 tariff lines · average 4%

The Turkish schedule prints the statutory rate set under Customs Law 474. The rate applied at import is laid down in the Import Regime Decision and can be lower, or different by country of origin.

Subheadings 3

World trade in 2024

8404 · US$1.5bn

Trade value (US$) no reported trade < US$764.4kUS$764.4k+US$7.2m+US$46.5m+> US$71.3m

Exports: 111
  1. China: US$415.7m
  2. Germany: US$115.8m
  3. Italy: US$80.2m
  4. United States: US$71.3m
  5. Finland: US$68.7m
  6. Japan: US$54.2m
  7. South Korea: US$53.5m
  8. India: US$51m
  9. Spain: US$49.3m
  10. Taiwan: US$47.4m
  11. United Kingdom: US$46.5m
  12. Canada: US$46.1m
  13. Poland: US$37.7m
  14. Thailand: US$35.7m
  15. Netherlands: US$28.2m
  16. Switzerland: US$22.8m
  17. France: US$21.6m
  18. Austria: US$21.6m
  19. Türkiye: US$20.4m
  20. Brazil: US$18.5m
  21. Sweden: US$15.7m
  22. Czechia: US$15.5m
  23. Romania: US$14.5m
  24. Estonia: US$11.8m
  25. Croatia: US$10.8m
  26. Belgium: US$8.7m
  27. United Arab Emirates: US$7.2m
  28. Slovakia: US$7m
  29. Vietnam: US$6.6m
  30. Hungary: US$6.4m
  31. Morocco: US$6.2m
  32. Malaysia: US$6m
  33. Singapore: US$6m
  34. Denmark: US$4.9m
  35. Philippines: US$4.8m
  36. Lithuania: US$4m
  37. Russia: US$3.9m
  38. Kazakhstan: US$3.3m
  39. Australia: US$2.9m
  40. Mexico: US$2.8m
  41. Tunisia: US$2.7m
  42. Slovenia: US$2.1m
  43. South Africa: US$1.9m
  44. Serbia: US$1.8m
  45. Portugal: US$1.7m
  46. Bulgaria: US$1.4m
  47. Israel: US$1.2m
  48. Ireland: US$1.2m
  49. Norway: US$1.1m
  50. Indonesia: US$955.2k
  51. Latvia: US$834.5k
  52. Greece: US$768.9k
  53. Kuwait: US$764.4k
  54. Egypt: US$738.6k
  55. Luxembourg: US$663.7k
  56. Ukraine: US$570.8k
  57. Moldova: US$555.3k
  58. Hong Kong SAR China: US$473.8k
  59. Malta: US$447.8k
  60. Kenya: US$273.3k

Top exporters

RankCountryValueShare
1 China US$415.7m 28.1%
2 Germany US$115.8m 7.8%
3 Italy US$80.2m 5.4%
4 United States US$71.3m 4.8%
5 Finland US$68.7m 4.6%
6 Japan US$54.2m 3.7%
7 South Korea US$53.5m 3.6%
8 India US$51m 3.5%
9 Spain US$49.3m 3.3%
10 Taiwan US$47.4m 3.2%

Top importers

RankCountryValueShare
1 United States US$125.9m 8.5%
2 Indonesia US$118.1m 8%
3 Germany US$83.6m 5.6%
4 United Kingdom US$81.1m 5.5%
5 Vietnam US$54.3m 3.7%
6 Philippines US$51.9m 3.5%
7 Canada US$51.9m 3.5%
8 Japan US$48.1m 3.3%
9 France US$42.6m 2.9%
10 Italy US$40.4m 2.7%

Products classified here

Questions and answers

What is the HS code for auxiliary plant for use with boilers of heading 8402 or 8403 (for example, economisers, superheaters, soot removers, gas recoverers); condensers for steam or other vapour power units?

Auxiliary plant for use with boilers of heading 8402 or 8403 (for example, economisers, superheaters, soot removers, gas recoverers); condensers for steam or other vapour power units fall under HS heading 8404, part of chapter 84, in section XVI of the Harmonized System.

What is the import duty on auxiliary plant for use with boilers of heading… in the UK?

Under the UK Global Tariff, imports under 8404 from countries without a preferential agreement are free of duty. Preferential rates, anti-dumping duties and VAT are not included.

What is the import duty on auxiliary plant for use with boilers of heading… in the EU?

Under the EU Combined Nomenclature, imports under 8404 from countries without a preferential agreement are charged at 2.7%. Preferential rates, anti-dumping duties and VAT are not included.

Which country exports the most auxiliary plant for use with boilers of heading…?

China, with US$415.7m in 2024 (28.1% of world exports).