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HSChapter 72
U.S. imports of hot-worked iron or nonalloy steel u, i, and h sections less than 80 mm high (HS 721610) totaled $2.5M in April 2026, traded with 9 countries.
Last updated: April 2026 dataSmall structural sections — U-channels, I-beams, and H-piles less than 80 mm in height — are standard components in light fabrication, racking systems, and secondary structural framing. The US schedule separates angles and U-sections (7216100010) from I and H sections (7216100050) within this heading. Canada and Mexico are the leading suppliers, with Germany a notable European source. All entries are subject to Section 232 tariffs, and importers should confirm whether the section height measurement meets the sub-80 mm threshold, as sections at or above 80 mm classify under different headings.
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Height for structural sections is measured as the overall external dimension perpendicular to the web — the distance between the outer faces of the flanges for I and H sections, or the outer depth of the channel for U sections. If this dimension is 80 mm or greater, the product classifies under a different heading (721621 or higher), so accurate mill drawings or certified dimensional data are essential.
Yes. Angles have two legs meeting at a corner, while U-sections (channels) have two parallel flanges connected by a web. Both are captured within 7216100010 for the sub-80 mm hot-worked nonalloy category, but if the product is a pure angle (L-section), it may instead classify under heading 721621. Reviewing the cross-sectional profile against Chapter 72 note definitions is recommended.
| Country | Imports | Exports | Balance |
|---|---|---|---|
| MEXICO | $523K | $1.2M | +$697K |
| CANADA | $1.5M | $219K | -$1.3M |
| GERMANY | $409K | -- | -$409K |
| DOMINICAN REPUBLIC | -- | $63K | +$63K |
| TURKEY | $43K | -- | -$43K |
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Monthly import values over time