HS 841780 Other

Quick Answer: Industrial furnaces and ovens imported under HS 841780 enter the UK duty-free, the EU at 1.70% ad valorem, and the US at 3.9% ad valorem (MFN). This residual classification applies to industrial furnaces and ovens not specifically listed under other headings within Chapter 84, such as those for the treatment of materials by heat, including melting, roasting, or annealing. Importers should be aware that the US also offers duty-free entry for certain trade partners. CustomTariffs aggregates this data, highlighting the varying tariff treatments across major markets for this "other" category of industrial heating equipment.

What Are the Import Duty Rates?

🇬🇧 United Kingdom

Code MFN Preferential Unit
8417800000
8417803000 0.00 %
8417805000 0.00 %
8417807000 0.00 %

🇪🇺 European Union (TARIC)

Code MFN Preferential Unit
8417800000 1.70 %
8417803000 1.70 %
8417805000 1.70 %
8417807000 1.70 %

🇺🇸 United States (HTSUS)

Code MFN Preferential Unit
8417800000 3.9% Free (17 programs) ["No."]

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 8417.80?

Imports of Other 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, GSP, and 14 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

US$48.2M
ImportsExports

How to Classify This HS Code?

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What products does HS 841780 cover?

This subheading covers "other" industrial or laboratory furnaces and ovens, not specified elsewhere in heading 8417. According to the World Customs Organization's Harmonized System Nomenclature, this category is a residual one for furnaces and ovens that do not fit the more specific descriptions within 8417. For example, this could include specialized ovens for curing, drying, or heat-treating materials in industrial processes, or laboratory ovens designed for specific scientific applications, provided they are not covered by other more precise classifications within the heading.

What falls outside HS 841780?

The following products are excluded from HS 841780: industrial or laboratory furnaces and ovens specifically designed for the roasting of ore, for the melting of metal, for enamelling or varnishing, for baking bread, pastries, biscuits, or other foodstuffs (classified in heading 8419), or for drying agricultural products. Also excluded are ovens that are part of cooking appliances for domestic use, which are typically classified under heading 7321 or 8516.

What are common classification mistakes for HS 841780?

A common error is misinterpreting the "other" designation as a catch-all for any furnace or oven. However, General Interpretative Rule 3(c) of the Harmonized System dictates that goods are to be classified under the heading which occurs last in numerical order among those which equally merit consideration. Importers may incorrectly classify specialized industrial ovens that have a primary function, such as drying, under 841780 when a more specific subheading within 8417 or even another heading like 8419 might be more appropriate based on their principal function.

How should importers classify products under HS 841780?

The correct procedure for classifying products under HS 841780 involves a thorough examination of the product's design, function, and intended use. Importers and customs brokers must first consult the Explanatory Notes to HS Heading 8417 and the specific national tariff schedules, such as the USITC Harmonized Tariff Schedule (HTS) or the EU's TARIC database. If the furnace or oven does not clearly fall under any of the preceding subheadings within 8417 based on its primary operational characteristics, then 841780 may be applicable.

How is the duty calculated for products under HS 841780?

A specialized industrial drying oven weighing 500 kg and declared at a customs value of $10,000 USD would attract a US duty of $750. This is calculated using the Most Favored Nation (MFN) duty rate of 7.5% ad valorem, as published in the USITC Harmonized Tariff Schedule for a similar item, applied to the declared customs value ($10,000 USD × 0.075 = $750 USD). It is crucial to verify the exact rate for the specific product and country of origin.

Which trade agreements reduce duties for HS 841780?

Several free trade agreements may reduce the applicable duty rate for HS 841780, including the United States-Mexico-Canada Agreement (USMCA), which can result in a duty rate of Free for qualifying goods originating from Canada or Mexico. The Comprehensive and Progressive Agreement for Trans-Pacific Partnership (CPTPP) may also offer preferential rates for originating goods from member countries. Documentation typically required includes a self-certified origin statement for USMCA and a certificate of origin for CPTPP, depending on the specific rules of origin and the importing country's requirements.

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FAQ

What is the general import duty rate for HS code 841780 in the United States?

The Most Favored Nation (MFN) duty rate for HS code 841780, which covers 'Other' industrial or laboratory furnaces and ovens, in the United States is 3.9% ad valorem. This rate is applied to the declared customs value of the imported goods. For example, if goods valued at $10,000 are imported, the duty would be $10,000 \times 0.039 = $390. Importers and customs brokers should consult the Harmonized Tariff Schedule of the United States (HTSUS) maintained by the US International Trade Commission (USITC) for the most current and precise tariff information, including any special trade programs or temporary duty suspensions that may apply.

Are there preferential duty rates available for HS code 841780 under trade agreements?

Yes, preferential duty rates may be available for HS code 841780 depending on the country of origin and applicable trade agreements. For instance, under certain agreements, goods originating from countries like Australia (AU), Canada (CA), Chile (CL), or South Korea (KR) might receive duty-free treatment (Free). The provided sample rates indicate 'Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)', suggesting that goods from these listed countries or blocs may enter the importing country duty-free. Importers must ensure they meet the rules of origin requirements for the specific trade agreement and possess the necessary proof of origin documentation, such as a certificate of origin, to claim preferential treatment. Always verify the specific terms and conditions of each trade agreement with official sources like the USITC, EU TARIC, or UK Trade Tariff.

How is HS code 841780 defined, and what types of equipment fall under 'Other'?

HS code 841780 is a residual category within Chapter 84, which covers 'Nuclear reactors, boilers, machinery and mechanical appliances; parts thereof.' Specifically, heading 8417 pertains to 'Industrial or laboratory furnaces and ovens, including incinerators but not furnaces of a kind used for the direct reduction of ores or for the production of metals.' The subheading 841780, designated as 'Other,' is for industrial or laboratory furnaces and ovens that do not fit into more specific subheadings within 8417 (e.g., those for specific processes like drying, baking, or heat-treating). This can include specialized ovens for semiconductor manufacturing, industrial drying ovens not elsewhere specified, or laboratory ovens for scientific research. Classification relies on the primary function and design of the equipment. Importers should carefully review the Explanatory Notes to the Harmonized System (HS) provided by the World Customs Organization (WCO) and the specific tariff schedule of the importing country for detailed guidance.

What documentation is typically required when importing goods classified under HS code 841780?

When importing goods under HS code 841780, standard customs documentation is required, including a commercial invoice, packing list, and bill of lading or air waybill. Depending on the country of import and the specific nature of the furnace or oven, additional documentation may be necessary. This could include a certificate of origin to claim preferential duty rates, technical specifications or datasheets to verify classification, and potentially safety or compliance certificates (e.g., CE marking for the EU market, UL listing for North America) if the equipment is subject to specific safety standards. Importers and customs brokers should consult the customs authority of the destination country for a comprehensive list of required documents. For example, the EU TARIC database or the UK Trade Tariff can provide country-specific requirements.

Can you provide an example of how duty is calculated for HS code 841780 if the duty rate is 1.70%?

Certainly. If an industrial oven classified under HS code 841780 has a duty rate of 1.70% ad valorem, and the customs value of the imported oven is $50,000, the duty calculation would be as follows: Duty Amount = Customs Value × Duty Rate. In this case, Duty Amount = $50,000 × 0.0170 = $850. This $850 would be the import duty payable. It is crucial to use the correct customs value, which typically includes the cost of the goods, insurance, and freight (CIF) up to the point of importation, as per the importing country's valuation rules. Always confirm the applicable duty rate and valuation methodology with the official tariff schedule of the importing country.