Harmonized System
U.S. imports of parts of nonelectric industrial or laboratory furnaces, ovens & incinerators (HS 841790) totaled $9.9M in August 2026, imported from 48 countries.
Importers of Parts of Nonelectric Industrial or Laboratory Furnaces, Ovens & Incinerators paid $1.7M in duties in August 2026, an effective tariff rate of 17.24% of the $9.9M imported — duty actually collected as a share of that value, not the published tariff schedule. Parts of Nonelectric Industrial or Laboratory Furnaces, Ovens & Incinerators imports of $9.9M in August 2026 ran 26% below the year-to-date monthly average of $13.5M.
Last updated: August 2026 dataReplacement and OEM parts for nonelectric industrial furnaces, ovens, and incinerators — including refractory linings, burner blocks, and conveyor components — enter under a single tariff line (8417900000). India leads US imports under this heading, a reflection of India's established refractory and castings manufacturing sector, with Brazil and China also significant sources. Importers should be prepared to demonstrate that a part is specifically designed for a nonelectric furnace or oven rather than for a boiler, kiln drive, or other equipment, as the classification boundary with parts of boilers (8403/8404) and parts of electric furnaces (8514) is frequently contested.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
319 shipments/mo
Refractory bricks and shapes are generally classified under Chapter 69 (ceramic products) when imported separately, not under 841790. However, pre-assembled refractory modules or panels specifically designed and shaped for a particular furnace model may qualify as parts under 841790. The degree of specificity to the furnace and whether the item is presented as a furnace part or as a raw refractory product determines classification.
India has a well-developed foundry and refractory manufacturing industry that produces cast iron and steel components, heat-resistant castings, and refractory products at competitive cost. These capabilities align closely with the types of replacement parts — grate bars, combustion chamber liners, and structural castings — that dominate import volumes under this heading.
HSChapter 84
Subheading 1 of 4 in heading 8417
Subheading 841790 · $9.9M of $24.5M
Trade Directory
List your company under HS 841790 — Parts of Nonelectric Industrial or Laboratory Furnaces, Ovens & Incinerators, so the companies trading it can find you. Be the first supplier listed.
HS10 import codes under this HS6 parent, each with its own page. Source: U.S. Harmonized Tariff Schedule.
| Code | Description | Import Value | Effective Tariff % | Dutiable Share | Duty Collected |
|---|---|---|---|---|---|
| 8417900000 | Parts of Ind or Lab Furn & Oven,Incinerat, Nonelec | $9.9M | 17.24% | 96.64% | $1.7M |
HS10 export codes under this HS6 parent, each with its own page. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 8417900000 | Parts of Ind or Lab Furn & Oven,Incinerat, Nonelec | $10.3M |
Import lines come from the U.S. Harmonized Tariff Schedule and export lines from Schedule B. The two are numbered by different agencies, so the same 10-digit code can appear in both tables describing a different product.
ImportsExports
Imports
$9.9MYoY · free account
Exports
$10.3MYoY · free account
12-mo low · imports
YoY · free accountOver the twelve months to August 2026, the U.S. imported $163.6M of Parts of Nonelectric Industrial or Laboratory Furnaces, Ovens & Incinerators.
Through August 2026. Source: U.S. Census Bureau.
Imports · August 2026
origin
China pays 39.9% duty; United Kingdom 4.9%.
customs district
destination
entry
rate provision · imports
3.2% enters free of duty; duty collected equals 17.24% of total import value.