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NAICSSector 33
U.S. imports of sheet metal works (NAICS 332322) totaled $9.5M in April 2026, traded with 34 countries.
Importers of Sheet Metal Works paid $3.4M in duties in April 2026 — an effective duty rate of 38% on $9.0M in dutiable value, based on actual customs collections rather than the published tariff schedule.
Last updated: April 2026 dataFormed, stamped, and fabricated sheet metal products — including HVAC ductwork, enclosures, brackets, and custom panels — are a broadly traded category serving construction, mechanical systems, and equipment manufacturing. The gauge, alloy, and forming method (roll-formed vs. stamped vs. brake-formed) are the primary variables that determine both HTS classification and end-use suitability. Section 232 tariff exposure on steel and aluminum sheet inputs, combined in some cases with Section 301 exposure on finished articles from China, makes origin and material sourcing a layered cost consideration.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
Sheet metal HVAC ductwork is generally classified under HTS Chapter 73 as articles of iron or steel, or Chapter 76 for aluminum ductwork. Certain steel ductwork from specific countries may fall within the scope of antidumping or countervailing duty orders, and Section 232 tariffs on steel and aluminum inputs add a further cost layer. Classification and remedy scope should be confirmed for each specific product and origin.
The forming method itself does not change HTS classification — the determinative factors are the base metal, the article's shape and function, and whether it is a finished article or a semi-finished intermediate. However, roll-formed profiles that resemble extrusions may raise questions about whether they fall under extrusion-specific trade-remedy orders, making a scope analysis advisable.
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| Country | Imports | Exports | Balance |
|---|---|---|---|
| CANADA | $5.6M | $3.2M | -$2.4M |
| MEXICO | $1.0M | $371K | -$636K |
| BAHAMAS | -- | $1.2M | +$1.2M |
| KOREA, SOUTH | -- | $1.1M | +$1.1M |
| CHINA | $992K | $9K | -$983K |
No geographic breakdown available
U.S. trade for this product is not broken down by state or port in the latest Census Bureau release.
Monthly import values over time