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HTS Code · Chapter 73 · Updated Oct 26, 2026

7322.11.00.00Radiators and parts thereof, of cast iron

Also written 7322110000 and 7322.11.0000

HTS Code 7322.11.00.00 covers any article best defined as Base Metals and Articles of Base MetalArticles of iron or steelRadiators for central heating, not electrically heated, and parts thereof, of iron or steel; air heaters and hot air distributors (including distributors which can also distribute fresh or conditioned air), not electrically heated, incorporating a motor-driven fan or blower, and parts thereof, of iron or steel:Radiators and parts thereof:Of cast iron in the Harmonized Tariff Schedule.

As of Oct 26, 2026, US imports of radiators and parts thereof, of cast iron (HTS 7322.11.00.00) from China pay 37.5% in duties: a duty-free base rate plus Section 301 – China (25%) and Section 301 – Forced Labor (12.5%).

From China, the total duty on 7322.11.00.00 last changed on Jul 24, 2026, from 35% to 37.5%. It has changed 2 times since Nov 17, 2025.

Estimated Duty on 7322.11.00.00

$10,000.00 by ocean, entered Oct 26, 2026

China
Total duty
37.5%
$3,750.00 on this shipment
Fees
0.47%
MPF + HMF · $47.14
Duty + fees
37.97%
Payable to CBP
Landed cost
$13,797.14
On $10,000.00 customs value
  • Section 301 – China25%
  • Section 301 – Forced Labor12.5%
  • Customs fees0.47%

Chapter 99 lines9903.88.03Section 301 China: List 39903.05.31Section 301 Forced Labor – China

2 exemptions could lower this

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Base Duty Rates for 7322.11.00.00

From the Harmonized Tariff Schedule

General Rate of Duty
Free
Special Rate of Duty
—
Column 2 (Non-NTR)
45%
Units of Quantity
No.
Total duty by countryAll 20 →
  • China37.5%
  • Mexico10%
  • Canada10%
  • Vietnam12.5%
  • Germany10%
Tariffs by country · Oct 26, 2026

US Import Duty on HTS 7322.11.00.00 by Country of Origin

As of Oct 26, 2026, US imports of radiators and parts thereof, of cast iron (HTS 7322.11.00.00) from China pay 37.5% in duties: a duty-free base rate plus Section 301 – China (25%) and Section 301 – Forced Labor (12.5%). Of the 20 largest sources of US imports, the lowest total is 10%, from Mexico, Canada and 11 more.

Total duty from China
37.5%
Base rate plus 2 additional tariffs
Lowest total duty
10%
From Mexico, Canada and 11 more
Countries with additional tariffs
20 of 20
Section 232, 301 and other Chapter 99 duties
Country of originBase rateAdditional tariffsTotal duty
ChinaFree37.5%
MexicoFree10%0% with USMCA
CanadaFree10%0% with USMCA
VietnamFree12.5%
GermanyFree10%
JapanFree12.5%
South KoreaFree12.5%
TaiwanFree10%
IndiaFree10%
IrelandFree10%
ItalyFree10%
SwitzerlandFree12.5%
ThailandFree12.5%
MalaysiaFree10%
United KingdomFree10%
FranceFree10%
IndonesiaFree10%
BrazilFree37.5%
BangladeshFree10%
CambodiaFree10%
Duty from each country, in words
  • As of Oct 26, 2026, US imports of radiators and parts thereof, of cast iron (HTS 7322.11.00.00) from China pay 37.5% in duties: a duty-free base rate plus Section 301 – China (25%) and Section 301 – Forced Labor (12.5%).
  • As of Oct 26, 2026, US imports of radiators and parts thereof, of cast iron (HTS 7322.11.00.00) from Mexico pay 10% in duties: a duty-free base rate plus Section 301 – Forced Labor (10%). With USMCA, qualifying goods pay 0%.
  • As of Oct 26, 2026, US imports of radiators and parts thereof, of cast iron (HTS 7322.11.00.00) from Canada pay 10% in duties: a duty-free base rate plus Section 301 – Forced Labor (10%). With USMCA, qualifying goods pay 0%.
  • As of Oct 26, 2026, US imports of radiators and parts thereof, of cast iron (HTS 7322.11.00.00) from Vietnam pay 12.5% in duties: a duty-free base rate plus Section 301 – Forced Labor (12.5%).
  • As of Oct 26, 2026, US imports of radiators and parts thereof, of cast iron (HTS 7322.11.00.00) from Germany pay 10% in duties: a duty-free base rate plus Section 301 – Forced Labor (10%).
  • As of Oct 26, 2026, US imports of radiators and parts thereof, of cast iron (HTS 7322.11.00.00) from Japan pay 12.5% in duties: a duty-free base rate plus Section 301 – Forced Labor (12.5%).
  • As of Oct 26, 2026, US imports of radiators and parts thereof, of cast iron (HTS 7322.11.00.00) from South Korea pay 12.5% in duties: a duty-free base rate plus Section 301 – Forced Labor (12.5%).
  • As of Oct 26, 2026, US imports of radiators and parts thereof, of cast iron (HTS 7322.11.00.00) from Taiwan pay 10% in duties: a duty-free base rate plus Section 301 – Forced Labor (10%).
  • As of Oct 26, 2026, US imports of radiators and parts thereof, of cast iron (HTS 7322.11.00.00) from India pay 10% in duties: a duty-free base rate plus Section 301 – Forced Labor (10%).
  • As of Oct 26, 2026, US imports of radiators and parts thereof, of cast iron (HTS 7322.11.00.00) from Ireland pay 10% in duties: a duty-free base rate plus Section 301 – Forced Labor (10%).
  • As of Oct 26, 2026, US imports of radiators and parts thereof, of cast iron (HTS 7322.11.00.00) from Italy pay 10% in duties: a duty-free base rate plus Section 301 – Forced Labor (10%).
  • As of Oct 26, 2026, US imports of radiators and parts thereof, of cast iron (HTS 7322.11.00.00) from Switzerland pay 12.5% in duties: a duty-free base rate plus Section 301 – Forced Labor (12.5%).
  • As of Oct 26, 2026, US imports of radiators and parts thereof, of cast iron (HTS 7322.11.00.00) from Thailand pay 12.5% in duties: a duty-free base rate plus Section 301 – Forced Labor (12.5%).
  • As of Oct 26, 2026, US imports of radiators and parts thereof, of cast iron (HTS 7322.11.00.00) from Malaysia pay 10% in duties: a duty-free base rate plus Section 301 – Forced Labor (10%).
  • As of Oct 26, 2026, US imports of radiators and parts thereof, of cast iron (HTS 7322.11.00.00) from United Kingdom pay 10% in duties: a duty-free base rate plus Section 301 – Forced Labor (10%).
  • As of Oct 26, 2026, US imports of radiators and parts thereof, of cast iron (HTS 7322.11.00.00) from France pay 10% in duties: a duty-free base rate plus Section 301 – Forced Labor (10%).
  • As of Oct 26, 2026, US imports of radiators and parts thereof, of cast iron (HTS 7322.11.00.00) from Indonesia pay 10% in duties: a duty-free base rate plus Section 301 – Forced Labor (10%).
  • As of Oct 26, 2026, US imports of radiators and parts thereof, of cast iron (HTS 7322.11.00.00) from Brazil pay 37.5% in duties: a duty-free base rate plus Section 301 – Brazil (25%) and Section 301 – Forced Labor (12.5%).
  • As of Oct 26, 2026, US imports of radiators and parts thereof, of cast iron (HTS 7322.11.00.00) from Bangladesh pay 10% in duties: a duty-free base rate plus Section 301 – Forced Labor (10%).
  • As of Oct 26, 2026, US imports of radiators and parts thereof, of cast iron (HTS 7322.11.00.00) from Cambodia pay 10% in duties: a duty-free base rate plus Section 301 – Forced Labor (10%).

Duties on goods entered Oct 26, 2026 at the general rate (Column 2 where it applies), with tariff data verified through 2026 HTS Revision 20. Totals are before customs fees (MPF, HMF) and any antidumping or countervailing duties (AD/CVD); with a free account, the calculator checks the AD/CVD cases that may cover your import. Some tariffs and exemptions depend on details such as metal content or end use, which the calculator asks about. See US tariffs for every country.

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Duty history · since Nov 17, 2025

Duty History for HTS 7322.11.00.00

From China, the total duty on HTS 7322.11.00.00 is 37.5% as of Oct 26, 2026, down from 45% on Nov 17, 2025. It fell to 35% on Feb 24, 2026 and rose to 37.5% on Jul 24, 2026.

Changes from China

  1. 35% → 37.5%

    Now applies: Section 301 – Forced Labor (12.5%), 9903.05.31

    No longer applies: Section 122 – Balance of Payments Surcharge (10%), 9903.03.01

    Source: USTR, Notice of Actions in Section 301 Investigations (forced labor), 91 FR 47318

  2. 45% → 35%

    Now applies: Section 122 – Balance of Payments Surcharge (10%), 9903.03.01

    No longer applies: IEEPA – China and Hong Kong (Fentanyl) (10%), 9903.01.24; IEEPA – Reciprocal Tariffs (10%), 9903.01.25

    Source: Proclamation 11012

By Country of Origin

Country of originNov 17, 2025Oct 26, 2026ChangesLast change
China45%37.5%2Jul 24, 2026: 35% → 37.5%
Mexico25%10%1Feb 24, 2026: 25% → 10%
Canada35%10%1Feb 24, 2026: 35% → 10%
Vietnam20%12.5%2Jul 24, 2026: 10% → 12.5%
Germany15%10%1Feb 24, 2026: 15% → 10%
Japan15%12.5%2Jul 24, 2026: 10% → 12.5%
South Korea15%12.5%2Jul 24, 2026: 10% → 12.5%
Taiwan20%10%1Feb 24, 2026: 20% → 10%
India50%10%2Feb 24, 2026: 25% → 10%
Ireland15%10%1Feb 24, 2026: 15% → 10%

Total duty on goods entered on each date at the general rate, before customs fees (MPF, HMF) and any antidumping or countervailing duties, from the same tariff data as the duty calculator. History starts on Nov 17, 2025, the first date our tariff data is verified for. Changes that only swapped one tariff for another at the same rate are listed but don't count toward the totals' changes.

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New tariff action affects 1 of your imports

7322.11.00.00from China37.5% → 47.5%

Its rate today, if a new 10% tariff were added

Top origins · US imports 2025

Top Origins: Countries the US Imports HTS 7322.11.00.00 From

In 2025 the US imported $4M of radiators and parts thereof, of cast iron (HTS 7322.11.00.00), up 17% on 2024, mostly from China (70%), United Kingdom (23%) and South Korea (4%). Each country's total duty today is shown beside its imports.

Country of originUS imports, 2025Sharevs 2024Total duty today
China$3M70%9%37.5%
United Kingdom$817K23%14%10%
South Korea$127K4%New12.5%
Canada$41K1%37%10%0% with USMCA
Turkey$24K1%New12.5%
Switzerland$21K1%New12.5%
Austria$20K1%New10%
Thailand$10K0%New12.5%
Italy$6K0%New10%
Spain$5K0%New10%

Source: U.S. Census Bureau, general imports. Duty on a $10,000 ocean shipment entered today, before customs fees. This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.

Related codes

Other HTS Codes at This Level

Legal notes

Relevant HTS Notes

Official USITC notes that may affect classification under HTS 7322.11.00.00.

CBP rulings

Related CROSS Rulings for HTS 7322.11.00.00

CBP classification rulings related to 7322.11.00.00. Open a ruling to read how Customs classified a similar product.

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Questions

HTS 7322.11.00.00 FAQ

Something else? Ask us.

What does HTS code 7322.11.00.00 cover?

HTS code 7322.11.00.00 covers radiators and parts thereof, of cast iron (Of cast iron), classified under Chapter 73 (Articles of iron or steel) in the US Harmonized Tariff Schedule. The general duty rate is Free.

What is the duty rate for HTS 7322.11.00.00?

The general (Column 1) rate of duty for HTS 7322.11.00.00 is Free. The Column 2 rate, for countries without normal trade relations, is 45%. Additional Chapter 99 tariffs, such as Section 301 and Section 232, can apply on top depending on the country of origin.

What is the US tariff on radiators and parts thereof, of cast iron (HTS 7322.11.00.00) from China?

As of Oct 26, 2026, US imports of radiators and parts thereof, of cast iron (HTS 7322.11.00.00) from China pay 37.5% in duties: a duty-free base rate plus Section 301 – China (25%) and Section 301 – Forced Labor (12.5%).

Has the US duty on HTS 7322.11.00.00 from China changed?

From China, the total duty on HTS 7322.11.00.00 is 37.5% as of Oct 26, 2026, down from 45% on Nov 17, 2025. It fell to 35% on Feb 24, 2026 and rose to 37.5% on Jul 24, 2026. On Jul 24, 2026, Section 301 – Forced Labor (12.5%) started to apply and Section 122 – Balance of Payments Surcharge (10%) stopped applying.

What is the US tariff on radiators and parts thereof, of cast iron (HTS 7322.11.00.00) from Vietnam?

As of Oct 26, 2026, US imports of radiators and parts thereof, of cast iron (HTS 7322.11.00.00) from Vietnam pay 12.5% in duties: a duty-free base rate plus Section 301 – Forced Labor (12.5%).

What is the US tariff on radiators and parts thereof, of cast iron (HTS 7322.11.00.00) from Mexico?

As of Oct 26, 2026, US imports of radiators and parts thereof, of cast iron (HTS 7322.11.00.00) from Mexico pay 10% in duties: a duty-free base rate plus Section 301 – Forced Labor (10%). Goods that qualify for USMCA pay 0%.

Where does the US import HTS 7322.11.00.00 from?

In 2025 the US imported $4M of radiators and parts thereof, of cast iron under HTS 7322.11.00.00, mostly from China (70%), United Kingdom (23%) and South Korea (4%), according to U.S. Census Bureau import data.

Which country has the lowest US duty on HTS 7322.11.00.00?

Of the 20 largest sources of US imports, the lowest total duty on HTS 7322.11.00.00 is 10%, from Mexico, Canada and 11 more, as of the tariffs in effect on 2026-10-26.

Sources

Primary Sources

The official documents behind the rates and tariffs on this page. Duties are worked out from them as of Revision 20 (2026); check the legal text before you file.