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Official data Source: US Census Bureau international trade data Data through August 2026 · updated monthly

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HS 8401.10

Nuclear reactors

In short

  • The US imported $436K of this product over the 12 months to August 2026.
  • Vietnam is the cheapest main supplier before and after freight and duty, landing at $14,600/tonne.
  • Canada is gaining share: 70.8% over the last 12 months, up from 0.0%.
  • US exports were $19.6M over the last 12 months; the largest market is United Kingdom, with 94.9%.

US imports, Aug 2026

$0

Last 12 months

$436K

Average duty paid

n/a

Top supplier

None

US imports by month

The last 13 months, so the same month a year ago is on the left. August 2026 is highlighted.

Aug2025SepOctNovDecJan2026FebMarAprMayJunJulAug
Show the numbers
MonthUS imports
August 2025$0
September 2025$309K
October 2025$0
November 2025$0
December 2025$0
January 2026$0
February 2026$0
March 2026$0
April 2026$0
May 2026$0
June 2026$30K
July 2026$97K
August 2026$0

What changed

  • The US recorded no imports of this product in August 2026.
  • Biggest moves in market share since July 2026: Tunisia down from 42.4% to 0.0%, United Kingdom down from 57.6% to 0.0%.

US trade by year

US imports were $436K in the 12 months to Aug 2026, up 3517% on the 12 months to Aug 2017. US exports were $19.6M, up 1604%. In January 2022 the HS 2022 revision moved some goods between this code and 8549.21, 8549.29, 8549.31 and 3 more, so part of a change across the dashed line can be the revision.

2017201820192020202120222023202420252026HS 2022
Show the numbers
PeriodUS imports
12 months to Aug 2017$12K
12 months to Aug 2018$12K
12 months to Aug 2019$19.2M
12 months to Aug 2020$0
12 months to Aug 2021$139K
12 months to Aug 2022$0
12 months to Aug 2023$0
12 months to Aug 2024$0
12 months to Aug 2025$0
12 months to Aug 2026$436K
  • Canada
  • Tunisia
  • United Kingdom
  • Vietnam
  • All countries
Share of US imports
Show the numbers
PeriodCanadaTunisiaUnited KingdomVietnam
12 months to Aug 20170.0%0.0%0.0%0.0%
12 months to Aug 20180.0%0.0%0.0%0.0%
12 months to Aug 20190.0%0.0%0.0%0.0%
12 months to Aug 2020n/an/an/an/a
12 months to Aug 20210.0%0.0%0.0%0.0%
12 months to Aug 2022n/an/an/an/a
12 months to Aug 2023n/an/an/an/a
12 months to Aug 2024n/an/an/an/a
12 months to Aug 2025n/an/an/an/a
12 months to Aug 202670.8%13.2%12.8%3.2%
Duty paid, % of value
Show the numbers
PeriodCanadaTunisiaUnited KingdomVietnamAll countries
12 months to Aug 2017n/an/an/an/a3.3%
12 months to Aug 2018n/an/an/an/a3.3%
12 months to Aug 20193.3%n/an/an/a3.3%
12 months to Aug 2020n/an/an/an/an/a
12 months to Aug 2021n/an/an/an/a3.3%
12 months to Aug 2022n/an/an/an/an/a
12 months to Aug 2023n/an/an/an/an/a
12 months to Aug 2024n/an/an/an/an/a
12 months to Aug 2025n/an/an/an/an/a
12 months to Aug 20260.0%0.0%0.0%0.0%0.0%
PeriodUS importsDuty paidUS exports
12 months to Aug 2026$436K0.0%$19.6M+141%
12 months to Aug 2025$0n/a$8.1M+985%
12 months to Aug 2024$0n/a$748K−45%
12 months to Aug 2023$0n/a$1.4M+154%
12 months to Aug 2022HS 2022 revision$0−100%n/a$537K+44%
12 months to Aug 2021$139K3.3%$374K+8.4%
12 months to Aug 2020$0−100%n/a$345K+191%
12 months to Aug 2019$19.2M+157698%3.3%0.0 pts$119K−50%
12 months to Aug 2018$12K+0.6%3.3%0.0 pts$235K−80%
12 months to Aug 2017$12K3.3%$1.1M

Who supplies the US

August 2026. Small figures under each value are the change from August 2025. Landed cost by origin, below, adds freight and duty to the price.

CountryUS importsShareAverage priceDuty paidLast 13 months
All countries$0n/an/an/a

The 3 largest suppliers had 96.8% of US imports over the last 12 months.

Landed cost by origin

What importers paid to land this product at a US port from each main supplier, June–August 2026: the price, freight and insurance to the first US port, and duty, per unit. Suppliers with 3% or more of these imports, cheapest landed first. Small figures under landed cost are the change from the same months a year earlier.

  • Price
  • Freight and insurance
  • Duty
CountryPriceFreight and insuranceDutyLanded costMake-up
Vietnam$13,950/tonne$650.00/tonne4.7% of price$0.00/tonne0.0% of price$14,600/tonne
Tunisia$19,220/tonne$466.67/tonne2.4% of price$0.00/tonne0.0% of price$19,687/tonne
United Kingdom$55,845/tonne$450.00/tonne0.8% of price$0.00/tonne0.0% of price$56,295/tonne
All countries$25,491/tonne$500.00/tonne2.0% of price$0.00/tonne0.0% of price$25,991/tonne

Landed at a US port, Vietnam was cheapest, at $14,600/tonne: 25.8% below Tunisia.

How the market is shifting

Canada gained the most share: 70.8% of US imports over the last 12 months, up from 0.0% in the 12 months before. The charts show September 2024 to August 2026 for the 4 largest suppliers over the last 12 months.

  • Canada
  • Tunisia
  • United Kingdom
  • Vietnam
  • All countries
Share of US imports
Show the numbers
MonthCanadaTunisiaUnited KingdomVietnam
September 2024n/an/an/an/a
October 2024n/an/an/an/a
November 2024n/an/an/an/a
December 2024n/an/an/an/a
January 2025n/an/an/an/a
February 2025n/an/an/an/a
March 2025n/an/an/an/a
April 2025n/an/an/an/a
May 2025n/an/an/an/a
June 2025n/an/an/an/a
July 2025n/an/an/an/a
August 2025n/an/an/an/a
September 2025100.0%0.0%0.0%0.0%
October 2025n/an/an/an/a
November 2025n/an/an/an/a
December 2025n/an/an/an/a
January 2026n/an/an/an/a
February 2026n/an/an/an/a
March 2026n/an/an/an/a
April 2026n/an/an/an/a
May 2026n/an/an/an/a
June 20260.0%54.3%0.0%45.7%
July 20260.0%42.4%57.6%0.0%
August 2026n/an/an/an/a
Duty paid, % of value
Show the numbers
MonthCanadaTunisiaUnited KingdomVietnamAll countries
September 2024n/an/an/an/an/a
October 2024n/an/an/an/an/a
November 2024n/an/an/an/an/a
December 2024n/an/an/an/an/a
January 2025n/an/an/an/an/a
February 2025n/an/an/an/an/a
March 2025n/an/an/an/an/a
April 2025n/an/an/an/an/a
May 2025n/an/an/an/an/a
June 2025n/an/an/an/an/a
July 2025n/an/an/an/an/a
August 2025n/an/an/an/an/a
September 20250.0%n/an/an/a0.0%
October 2025n/an/an/an/an/a
November 2025n/an/an/an/an/a
December 2025n/an/an/an/an/a
January 2026n/an/an/an/an/a
February 2026n/an/an/an/an/a
March 2026n/an/an/an/an/a
April 2026n/an/an/an/an/a
May 2026n/an/an/an/an/a
June 2026n/a0.0%n/a0.0%0.0%
July 2026n/a0.0%0.0%n/a0.0%
August 2026n/an/an/an/an/a

Where it enters the US

Main ports of entry over the 12 months to August 2026: US imports and share.

  1. Port Huron, MI$309K · 70.8%
  2. New Orleans, LA$114K · 26.0%
  3. Anchorage, AK$14K · 3.2%

Where US exports go

US exports were $190K in August 2026, up 1834% from August 2025, and $19.6M over the last 12 months, up 141% on the 12 months before.

MarketLast 12 monthsSharevs 12 months before
United Kingdom$18.6M94.9%new
Mexico$522K2.7%+1869%
Turkey$76K0.4%new
Germany$67K0.3%+1126%
Saudi Arabia$56K0.3%new
Sweden$54K0.3%new
Brazil$43K0.2%−76%
Philippines$41K0.2%−58%
Other countries (9)$128K0.7%−98%
All countries$19.6M100.0%+141%

Markets abroad

Each country's own import figures for this product, from UN Comtrade: the 8 biggest importers outside the US in the latest year each has reported, what they bought from the US, and the change from the year before. Values usually include freight and insurance to the importer's border, so they run a little above US export figures. Countries report a year or more late; 44 have reported 2025 so far.

MarketImportsvs year beforeFrom the USUS share
United Kingdom$144.7Min 2025+551049%$00.0%
Turkey$75.9Min 2025−45%$1070.0%
Bolivia$14.3Min 2025−52%$00.0%
Canada$6.7Min 2025n/a$6.7M100.0%
Thailand$3.6Min 2025+332880%$00.0%
Liberia$356Kin 2025n/a$00.0%
Spain$261Kin 2025−31%$610.0%
Belgium$147Kin 2025+770%$1K0.8%

The biggest market outside the US is the United Kingdom, which imported $144.7M of this product in 2025, none of it from the US.

The US supplies 100.0% of imports into Canada, but under 10% into the United Kingdom, Turkey and Bolivia.

Other products under heading 8401: nuclear reactors; fuel elements, non-irradiated, for nuclear reactors; machinery and apparatus for isotopic separation; parts of the foregoing. US trade over the 12 months to August 2026.

ProductUS importsUS exports
Fuel elements (cartridges), non-irradiated, for nuclear reactors, and parts thereofHS 8401.30$100.9M$570.3M
Parts of nuclear reactorsHS 8401.40$40.6M$120.6M
Isotopic separation machinery and apparatus, and parts thereofHS 8401.20$43.6M$1.8M
About these figures
  • Source: US Census Bureau international trade data, not seasonally adjusted, in US dollars. Retrieved November 3, 2026.
  • US imports are general imports at customs value, which excludes freight and insurance. Exports are at free-alongside-ship value.
  • Average price is customs value divided by quantity (tonnes), across all of the product's 10-digit lines.
  • Duty paid is the duty Census calculates on each country's imports for consumption, as a share of their value. It moves with tariff changes, exemptions and the mix of goods within the product.
  • Landed cost adds Census's import charges (freight, insurance and other costs of bringing the goods to the first US port) and calculated duty to the customs value, per unit, across the product's 10-digit lines. It leaves out antidumping and countervailing duties, customs fees and transport inland. Prices are averages across the goods within the code, so a lower one can mean cheaper goods, not the same goods for less.
  • Markets abroad are each country's imports as it reports them to UN Comtrade, in US dollars, usually including freight and insurance. Countries report a year or more late and in their own edition of the HS codes, so one still on an older edition is missing for codes that changed in 2022.
  • Census revises recent months, so figures can change slightly. These are estimates for research and planning, not customs or legal advice.

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