8431.31.00Parts suitable for use solely or principally with the machinery of…
Also written 84313100
HTS Code 8431.31.00 covers any article best defined as Machinery and Mechanical Appliances; Electrical Equipment; Parts Thereof; Sound Recorders and Reproducers, Television Image and Sound Recorders and Reproducers, and Parts and Accessories of Such ArticlesNuclear reactors, boilers, machinery and mechanical appliances; parts thereofParts suitable for use solely or principally with the machinery of headings 8425 to 8430:Of machinery of heading 8428:Of passenger or freight elevators other than continuous action, skip hoists or escalators in the Harmonized Tariff Schedule — covering 3 sub-classifications.
As of Oct 26, 2026, US imports of parts suitable for use solely or principally with the machinery of… (HTS 8431.31.00) from China pay 50% in duties: a duty-free base rate plus Section 232 – Steel, Aluminum & Copper (25%) and Section 301 – China (25%).
From China, the total duty on 8431.31.00 last changed on Apr 6, 2026, from 35% to 50%. It has changed 2 times since Nov 17, 2025.
Estimated Duty on 8431.31.00
$10,000.00 by ocean, entered Oct 26, 2026
- Total duty
- 50%
- $5,000.00 on this shipment
- Fees
- 0.47%
- MPF + HMF · $47.14
- Duty + fees
- 50.47%
- Payable to CBP
- Landed cost
- $15,047.14
- On $10,000.00 customs value
- Section 232 – Steel, Aluminum & Copper25%
- Section 301 – China25%
- Customs fees0.47%
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Base Duty Rates for 8431.31.00
From the Harmonized Tariff Schedule
- General Rate of Duty
- Free
- Special Rate of Duty
- —
- Column 2 (Non-NTR)
- 35%
- China50%
- Mexico25%
- Canada25%
- Vietnam25%
- Germany25%
Tariff updates
Recent US tariff actions that name 8431.31.00 or its heading.
- Dec 18, 2025 · PublishedUS cuts reciprocal tariff on Swiss and Liechtenstein goods to 15% all-in, exempts certain products
US Import Duty on HTS 8431.31.00 by Country of Origin
As of Oct 26, 2026, US imports of parts suitable for use solely or principally with the machinery of… (HTS 8431.31.00) from China pay 50% in duties: a duty-free base rate plus Section 232 – Steel, Aluminum & Copper (25%) and Section 301 – China (25%). Of the 20 largest sources of US imports, the lowest total is 25%, from Mexico, Canada and 17 more.
| Country of origin | Base rate | Additional tariffs | Total duty |
|---|---|---|---|
| China | Free |
| 50% |
| Mexico | Free |
| 25% |
| Canada | Free |
| 25% |
| Vietnam | Free |
| 25% |
| Germany | Free |
| 25% |
| Japan | Free |
| 25% |
| South Korea | Free |
| 25% |
| Taiwan | Free |
| 25% |
| India | Free |
| 25% |
| Ireland | Free |
| 25% |
| Italy | Free |
| 25% |
| Switzerland | Free |
| 25% |
| Thailand | Free |
| 25% |
| Malaysia | Free |
| 25% |
| United Kingdom | Free |
| 25% |
| France | Free |
| 25% |
| Indonesia | Free |
| 25% |
| Brazil | Free |
| 25% |
| Bangladesh | Free |
| 25% |
| Cambodia | Free |
| 25% |
Duty from each country, in words
- As of Oct 26, 2026, US imports of parts suitable for use solely or principally with the machinery of… (HTS 8431.31.00) from China pay 50% in duties: a duty-free base rate plus Section 232 – Steel, Aluminum & Copper (25%) and Section 301 – China (25%).
- As of Oct 26, 2026, US imports of parts suitable for use solely or principally with the machinery of… (HTS 8431.31.00) from Mexico pay 25% in duties: a duty-free base rate plus Section 232 – Steel, Aluminum & Copper (25%).
- As of Oct 26, 2026, US imports of parts suitable for use solely or principally with the machinery of… (HTS 8431.31.00) from Canada pay 25% in duties: a duty-free base rate plus Section 232 – Steel, Aluminum & Copper (25%).
- As of Oct 26, 2026, US imports of parts suitable for use solely or principally with the machinery of… (HTS 8431.31.00) from Vietnam pay 25% in duties: a duty-free base rate plus Section 232 – Steel, Aluminum & Copper (25%).
- As of Oct 26, 2026, US imports of parts suitable for use solely or principally with the machinery of… (HTS 8431.31.00) from Germany pay 25% in duties: a duty-free base rate plus Section 232 – Steel, Aluminum & Copper (25%).
- As of Oct 26, 2026, US imports of parts suitable for use solely or principally with the machinery of… (HTS 8431.31.00) from Japan pay 25% in duties: a duty-free base rate plus Section 232 – Steel, Aluminum & Copper (25%).
- As of Oct 26, 2026, US imports of parts suitable for use solely or principally with the machinery of… (HTS 8431.31.00) from South Korea pay 25% in duties: a duty-free base rate plus Section 232 – Steel, Aluminum & Copper (25%).
- As of Oct 26, 2026, US imports of parts suitable for use solely or principally with the machinery of… (HTS 8431.31.00) from Taiwan pay 25% in duties: a duty-free base rate plus Section 232 – Steel, Aluminum & Copper (25%).
- As of Oct 26, 2026, US imports of parts suitable for use solely or principally with the machinery of… (HTS 8431.31.00) from India pay 25% in duties: a duty-free base rate plus Section 232 – Steel, Aluminum & Copper (25%).
- As of Oct 26, 2026, US imports of parts suitable for use solely or principally with the machinery of… (HTS 8431.31.00) from Ireland pay 25% in duties: a duty-free base rate plus Section 232 – Steel, Aluminum & Copper (25%).
- As of Oct 26, 2026, US imports of parts suitable for use solely or principally with the machinery of… (HTS 8431.31.00) from Italy pay 25% in duties: a duty-free base rate plus Section 232 – Steel, Aluminum & Copper (25%).
- As of Oct 26, 2026, US imports of parts suitable for use solely or principally with the machinery of… (HTS 8431.31.00) from Switzerland pay 25% in duties: a duty-free base rate plus Section 232 – Steel, Aluminum & Copper (25%).
- As of Oct 26, 2026, US imports of parts suitable for use solely or principally with the machinery of… (HTS 8431.31.00) from Thailand pay 25% in duties: a duty-free base rate plus Section 232 – Steel, Aluminum & Copper (25%).
- As of Oct 26, 2026, US imports of parts suitable for use solely or principally with the machinery of… (HTS 8431.31.00) from Malaysia pay 25% in duties: a duty-free base rate plus Section 232 – Steel, Aluminum & Copper (25%).
- As of Oct 26, 2026, US imports of parts suitable for use solely or principally with the machinery of… (HTS 8431.31.00) from United Kingdom pay 25% in duties: a duty-free base rate plus Section 232 – Steel, Aluminum & Copper (25%).
- As of Oct 26, 2026, US imports of parts suitable for use solely or principally with the machinery of… (HTS 8431.31.00) from France pay 25% in duties: a duty-free base rate plus Section 232 – Steel, Aluminum & Copper (25%).
- As of Oct 26, 2026, US imports of parts suitable for use solely or principally with the machinery of… (HTS 8431.31.00) from Indonesia pay 25% in duties: a duty-free base rate plus Section 232 – Steel, Aluminum & Copper (25%).
- As of Oct 26, 2026, US imports of parts suitable for use solely or principally with the machinery of… (HTS 8431.31.00) from Brazil pay 25% in duties: a duty-free base rate plus Section 232 – Steel, Aluminum & Copper (25%).
- As of Oct 26, 2026, US imports of parts suitable for use solely or principally with the machinery of… (HTS 8431.31.00) from Bangladesh pay 25% in duties: a duty-free base rate plus Section 232 – Steel, Aluminum & Copper (25%).
- As of Oct 26, 2026, US imports of parts suitable for use solely or principally with the machinery of… (HTS 8431.31.00) from Cambodia pay 25% in duties: a duty-free base rate plus Section 232 – Steel, Aluminum & Copper (25%).
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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New tariff action affects 1 of your imports
Its rate today, if a new 10% tariff were added
Top Origins: Countries the US Imports HTS 8431.31.00 From
In 2025 the US imported $382M of parts suitable for use solely or principally with the machinery of… (HTS 8431.31.00 and related codes), down 25% on 2024, mostly from Mexico (28%), Canada (21%) and China (17%). Each country's total duty today is shown beside its imports.
| Country of origin | US imports, 2025 | Share | vs 2024 | Total duty today |
|---|---|---|---|---|
| Mexico | $106M | 28% | 2% | 25% |
| Canada | $82M | 21% | 32% | 25% |
| China | $65M | 17% | 22% | 50% |
| Germany | $21M | 5% | 2% | 25% |
| Austria | $17M | 4% | 33% | 25% |
| Brazil | $7M | 2% | 2% | 25% |
| Poland | $6M | 2% | 5% | 25% |
| Sweden | $6M | 2% | 14% | 25% |
| United Kingdom | $6M | 2% | 78% | 25% |
| Spain | $5M | 1% | 11% | 25% |
Source: U.S. Census Bureau, general imports (8-digit group, as Census has no figures for this exact line). 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.
Relevant HTS Notes
Official USITC notes that may affect classification under HTS 8431.31.00.
Related CROSS Rulings for HTS 8431.31.00
CBP classification rulings related to 8431.31.00. Open a ruling to read how Customs classified a similar product.
Reconsideration of HQ 956031; MICROSCAN Elevator Door Detection Devices; Kores Manufacturing Inc. v. U.S.; Section XVI, Note 4; Functional Unit; 8537.10.90
Elevator Guide Rails
MICROSCAN Elevator Door Detection Devices; Section XVI, note 2(a); Section XVI, note 3; heading 8531; heading 8537; HQ 954364; EN 84.31; EN 85.31; EN 85.37
What does HTS code 8431.31.00 cover?
HTS code 8431.31.00 covers parts suitable for use solely or principally with the machinery of… (Of passenger or freight elevators other than continuous action, skip hoists or escalators), classified under Chapter 84 (Nuclear reactors, boilers, machinery and mechanical appliances; parts thereof) in the US Harmonized Tariff Schedule. The general duty rate is Free. There are 3 more specific sub-classifications under this code.
What is the duty rate for HTS 8431.31.00?
The general (Column 1) rate of duty for HTS 8431.31.00 is Free. The Column 2 rate, for countries without normal trade relations, is 35%. 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 parts suitable for use solely or principally with the machinery of… (HTS 8431.31.00) from China?
As of Oct 26, 2026, US imports of parts suitable for use solely or principally with the machinery of… (HTS 8431.31.00) from China pay 50% in duties: a duty-free base rate plus Section 232 – Steel, Aluminum & Copper (25%) and Section 301 – China (25%).
What is the US tariff on parts suitable for use solely or principally with the machinery of… (HTS 8431.31.00) from Vietnam?
As of Oct 26, 2026, US imports of parts suitable for use solely or principally with the machinery of… (HTS 8431.31.00) from Vietnam pay 25% in duties: a duty-free base rate plus Section 232 – Steel, Aluminum & Copper (25%).
What is the US tariff on parts suitable for use solely or principally with the machinery of… (HTS 8431.31.00) from Mexico?
As of Oct 26, 2026, US imports of parts suitable for use solely or principally with the machinery of… (HTS 8431.31.00) from Mexico pay 25% in duties: a duty-free base rate plus Section 232 – Steel, Aluminum & Copper (25%).
Which country has the lowest US duty on HTS 8431.31.00?
Of the 20 largest sources of US imports, the lowest total duty on HTS 8431.31.00 is 25%, from Mexico, Canada and 17 more, as of the tariffs in effect on 2026-10-26.
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.
- USITCHarmonized Tariff Schedule of the United States: 8431.31.00, Revision 20 (2026)
- USITCHTS Chapter 84, with its notes (PDF)
- Federal RegisterSection 232 – Steel, Aluminum & Copper (9903.82.09): Proclamation 11032
- CBPCROSS classification rulings for 8431.31.00
- U.S. Census BureauU.S. general imports by HTS code and country