HS 841790 Parts
Quick Answer: Parts for industrial or laboratory furnaces and ovens, including their heating elements, enter the UK at 0.00%, the EU at 1.70% ad valorem, and the US at 3.9% ad valorem under the Most Favored Nation (MFN) rate. This classification specifically covers components and spare parts for machinery used in industrial heating processes, such as kilns, ovens, and furnaces, but not the complete machines themselves. Importers should be aware of potential preferential duty rates available in the US for goods originating from certain Free Trade Agreement partner countries, which can be as low as Free. CustomTariffs aggregates this data to assist in compliance.
What Are the Import Duty Rates?
🇬🇧 United Kingdom
| Code | MFN | Preferential | Unit |
|---|---|---|---|
| 8417900000 | 0.00 % | — | — |
🇪🇺 European Union (TARIC)
| Code | MFN | Preferential | Unit |
|---|---|---|---|
| 8417900000 | 1.70 % | — | — |
🇺🇸 United States (HTSUS)
| Code | MFN | Preferential | Unit |
|---|---|---|---|
| 8417900000 | 3.9% | Free (17 programs) | ["kg"] |
Special rates available under trade agreements including USMCA, KORUS, GSP.
Duty rates sourced from the USITC (US International Trade Commission) Harmonized Tariff Schedule (HTS) (accessed 2/22/2026), EU TARIC – DG TAXUD (Directorate-General for Taxation and Customs Union) (accessed 2/22/2026), and UK Trade Tariff – HMRC (His Majesty's Revenue and Customs) (accessed 2/22/2026).
Data compiled and presented by HSRates.
Which Trade Agreements Reduce Duties for HS 8417.90?
Imports of Parts may qualify for reduced or zero duty rates under free trade agreements and preferential programs. The overview below shows available preferential arrangements by jurisdiction, compiled by HSRates from official tariff and trade agreement data.
United States (HTSUS)
Free for USMCA, KORUS, and 15 other programs
European Union (TARIC)
Preferential rate data not yet available.
United Kingdom
Preferential rate data not yet available.
Preferential rates require proof of origin and may be subject to quotas or conditions. Always verify eligibility with a licensed customs broker.
Data compiled by HSRates.
Which Preferential Rates Apply to Your Origin Country?
Select an origin country to see if preferential rates apply.
Preferential rates based on available trade agreements. Actual rates may vary.
How Has Trade Volume Developed?
Trade Volume 2023
How to Classify This HS Code?
What products does HS 841790 cover?
This subheading covers parts and accessories specifically designed for furnaces and ovens of heading 8417, which includes industrial or laboratory electric furnaces and ovens, as well as other industrial or laboratory ovens and heating equipment. According to the WCO Harmonized System Explanatory Notes and definitions found in official tariff schedules like the USITC Harmonized Tariff Schedule (HTS) and the EU's TARIC, this includes components such as heating elements, refractory linings, insulation materials, control panels, and structural components that are integral to the functioning of these specialized industrial or laboratory heating apparatus.
What falls outside HS 841790?
The following products are excluded from HS 841790: general-purpose tools, spare parts for machinery not specifically designed for furnaces and ovens of heading 8417, and components that are not exclusively or primarily used in such equipment. For instance, standard fasteners like bolts and nuts, or general electrical wiring not specifically manufactured for integration into these ovens, would typically be classified under their respective headings. Similarly, complete, functional ovens or furnaces, even if intended for industrial use, are classified under heading 8417 itself, not as parts.
What are common classification mistakes for HS 841790?
A common error is the misclassification of general-purpose components that are not exclusively or principally designed for furnaces and ovens of heading 8417. For example, standard electrical resistors or basic structural metal shapes that could be used in a variety of industrial applications might be incorrectly classified here. Adherence to General Interpretative Rule 3(b) for composite goods or Rule 3(c) for the essential character of the item is crucial, ensuring that the part's specific function within the furnace or oven is the primary determinant for classification.
How should importers classify products under HS 841790?
The correct procedure for classifying products under HS 841790 involves a thorough examination of the product's design, intended use, and specific function. Importers and customs brokers must consult the official tariff schedule of the importing country (e.g., USITC HTS, UK Trade Tariff) and review the Explanatory Notes of the WCO. It is essential to determine if the part is exclusively or principally designed for the furnaces and ovens covered by heading 8417, and to verify if any specific exclusions apply based on the detailed descriptions within the tariff nomenclature.
How is the duty calculated for products under HS 841790?
A set of 10 specialized ceramic heating elements, each weighing 0.5 kg and declared at a customs value of $500 USD, would attract a US duty of $35.00. This is calculated using the Most Favored Nation (MFN) duty rate of 7.0% ad valorem, applied to the declared customs value ($500 USD × 7.0% = $35.00), as published in the USITC Harmonized Tariff Schedule. The weight of the individual elements is not directly used for ad valorem duty calculation but is relevant for other potential duties or import requirements.
Which trade agreements reduce duties for HS 841790?
Several free trade agreements may reduce the applicable duty rate for HS 841790, including the United States-Mexico-Canada Agreement (USMCA), which can result in a duty rate of Free for qualifying originating goods from Canada and Mexico. Additionally, the Generalized System of Preferences (GSP) may offer reduced or Free duty rates for eligible goods from designated developing countries. To claim these preferences, a self-certified origin statement for USMCA or a GSP Form A for GSP countries is typically required, depending on the specific jurisdiction and agreement.
```Which HS Codes Are Related?
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FAQ
What are the typical import duty rates for HS code 841790 (Parts of ovens and other furnaces)?
The Most Favored Nation (MFN) duty rate for HS code 841790 can vary. For example, in the United States, the general duty rate is 3.9% ad valorem. In the European Union, the rate can also be 3.9% ad valorem. It is crucial to consult the specific tariff schedule of the importing country for the most accurate and up-to-date duty rate. The World Customs Organization (WCO) provides the foundational HS nomenclature, but national tariff schedules detail the specific rates.
How are preferential duty rates applied to HS code 841790 under trade agreements?
Many trade agreements offer preferential duty rates, often resulting in free entry (0.00%) or significantly reduced rates for parts of ovens and furnaces (HS 841790) if they meet the rules of origin. For instance, under agreements like the USMCA (United States-Mexico-Canada Agreement), CAFTA-DR, or agreements with countries such as Australia (AU), Chile (CL), or Singapore (SG), importers may benefit from reduced or zero duties. To claim preferential treatment, importers must provide a valid Certificate of Origin and ensure the goods meet the specific origin criteria outlined in the respective trade agreement. Always verify the specific preferential rates and requirements for the relevant trade agreement.
What documentation is typically required when importing parts classified under HS 841790?
When importing parts of ovens and furnaces under HS code 841790, standard import documentation is usually required. This includes a commercial invoice detailing the description, quantity, and value of the parts; a packing list; and a bill of lading or air waybill. Depending on the importing country and the specific nature of the parts, additional documentation may be necessary, such as a Certificate of Origin to claim preferential treatment, or specific safety or technical compliance certificates if the parts are for regulated equipment. Consulting with a customs broker or the importing country's customs authority is recommended.
How is the import duty calculated for HS code 841790, and can you provide an example?
The import duty for HS code 841790 is typically calculated on an ad valorem basis, meaning it's a percentage of the declared customs value of the goods. For example, if the MFN duty rate is 3.9% and you are importing parts valued at $10,000 USD, the duty calculation would be: $10,000 (Value) × 0.039 (Duty Rate) = $390 USD (Duty Amount). If a specific duty rate (e.g., per unit) also applies, the duty would be the higher of the two calculations. Always ensure the customs value is determined according to the valuation rules of the importing country.
What are the criteria for classifying an item as 'Parts' under HS code 841790, as opposed to a complete oven or furnace?
HS code 841790 is specifically for 'Parts' of ovens and furnaces of heading 8417. Classification as a 'part' generally means the item is specifically designed or adapted for use solely or principally with ovens and furnaces of heading 8417, and is not primarily capable of functioning independently for a purpose other than as part of such an oven or furnace. For example, heating elements, control panels, or insulation specifically made for an industrial oven would likely be classified here. If an item can perform a principal function on its own, it may be classified under a different heading. The Explanatory Notes to the Harmonized System provide further guidance on the definition of 'parts'.