Harmonized Tariff Schedule of the United States · HTS code · HS 8406.90

8406.90.40

8406.90.40: Steam turbine parts: Blades, rotating or stationary

Steam turbine parts

Not declarable on its own: use one of its 1 subdivisions Data: Harmonized Tariff Schedule of the United States · checked on 24 October 2026

  1. 8406 Steam turbines and other vapor turbines, and parts thereof:
  2. 8406.90 Parts:
  3. Of steam turbines:
  4. 8406.90.40 Blades, rotating or stationary

What you pay

Importing into USA

Customs duty 5% standard rate depends on the country of origin
Additional duties and charges 4 additional measures
VAT no federal VAT; a Merchandise Processing Fee of 0.3464 % is charged on formal entries
Duty calculatorCalculate duty and taxes →

US additional duties of HTS chapter 99 in force on 22 October 2026 are included (Section 301, 232, 338 and 201). IEEPA duties are no longer collected after the Supreme Court ruling of February 2026. Conditional exemptions (US content, end use, metal share) are not computed: check the provision.

Additional duties and import rules

Charges on top of the customs duty, and rules the goods must meet at the border.

Additional duties and charges 4

  • Additional dutySection 232 — Steel, aluminium, copper and derivatives 15%
    Applies to goods from
    United Kingdom
    In force
    from 6 April 2026
    Legal act
    HTSUS 9903.82.05
  • Additional dutySection 232 — Steel, aluminium, copper and derivatives 25%
    Applies to goods from
    all countries except United Kingdom, Russia
    In force
    from 6 April 2026
    Legal act
    HTSUS 9903.82.09
  • Additional dutySection 232 — Steel, aluminium, copper and derivatives 25%
    Applies to goods from
    Russia
    In force
    from 6 April 2026
    Legal act
    HTSUS 9903.82.16
  • Additional dutySection 301 — China — technology transfer, IP and innovation (2018 actions and 2024 four-year review) 25%
    Applies to goods from
    China
    In force
    from 24 September 2018
    Legal act
    HTSUS 9903.88.03

Preferential rates by country

Agreement or schemeCountriesRate
General (MFN)—5%
US–Australia FTA AUAustraliaFree
US–Bahrain FTA BHBahrainFree
US–Chile FTA CLChileFree
US–Colombia TPA COColombiaFree
US–Israel FTA ILIsraelFree
US–Jordan FTA JOJordanFree
US–Japan Trade Agreement JPJapanFree
US–Korea FTA KRSouth KoreaFree
US–Morocco FTA MAMoroccoFree
US–Oman FTA OMOmanFree
CAFTA-DR PCosta Rica, Dominican Republic, El Salvador, Guatemala, Honduras, NicaraguaFree
US–Panama TPA PAPanamaFree
US–Peru TPA PEPeruFree
USMCA SCanada, MexicoFree
US–Singapore FTA SGSingaporeFree
Column 2Cuba, North Korea, Russia, Belarus20%

Special: reduced rates under trade agreements and preference programmes; the letters in brackets name the programmes (for example AU = Australia FTA, KR = Korea FTA).

Same subheading in other tariffs

8406.90 Steam turbines and other vapour turbines: parts

UK Free Third-country duty 2 tariff lines EU 2.7% Third-country duty 2 tariff lines Türkiye 2.7% Third-country duty 2 tariff lines Canada Free General (MFN) 13 tariff lines Mexico Free General (MFN) 3 tariff lines Brazil 7.2% – 20% General (MFN) 5 tariff lines · average 14.9% Argentina Free – 12.6% General (MFN) 5 tariff lines · average 7.6% Peru Free General (MFN) 1 tariff line New Zealand Free General (MFN) 1 tariff line Japan Free General (MFN) 1 tariff line Taiwan 3% General (MFN) 1 tariff line GCC 5% General (MFN) 1 tariff line Switzerland Free General (MFN) 1 tariff line Norway Free General (MFN) 1 tariff line North Macedonia 7% General (MFN) 2 tariff lines Nigeria 5% General (MFN) 1 tariff line

USA lines: 8406.90

Legal notes

Chapter notes: Chapter 84 →

In the Harmonized Tariff Schedule of the United States, 8406.90.40 is one of 8 lines under subheading 8406.90, steam turbines and other vapour turbines: parts.

The general duty is 5%, and quantities are declared in p/st.

For the same subheading, the UK duty is free, the EU duty is 2.7%, the Türkiye duty is 2.7%, the Canada duty is free, the Mexico duty is free, the Brazil duty is 7.2%–20%, the Argentina duty is 0%–12.6%, the Peru duty is free, the New Zealand duty is free, the Japan duty is free, the Taiwan duty is 3%, the GCC duty is 5%, the Switzerland duty is free, the Norway duty is free, the North Macedonia duty is 7% and the Nigeria duty is 5%.

The United States imported goods of subheading 8406.90 worth US$263m in 2024; the largest supplier was Japan, and the United Kingdom ranked 8th with US$8m.

Questions and answers

What is the USA import duty for HTS code 8406.90.40?

The general duty in the Harmonized Tariff Schedule of the United States is 5%; the supplementary unit is p/st. Preferential rates for goods from agreement countries, anti-dumping duties and VAT are not included.

Is there a lower rate for 8406.90.40 under US trade agreements?

Yes. The Special column reads “Free (A, AU, BH, CL, CO,D,E, IL, JO, JP, KR, MA, OM,P, PA, PE,S, SG)”: the letters in brackets name the agreements and programmes that grant it.

Where does the United States import these goods from?

For subheading 8406.90 as a whole, the largest supplier in 2024 was Japan (US$64m), followed by Germany.

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Typical products

Everyday names, not part of the legal text.