SITCSection 6
U.S. imports of iron & nonalloy steel semifinished squares (under 0.25% carbon) (SITC 67261) totaled $1.4M in April 2026, traded with 7 countries.
Importers of Iron & Nonalloy Steel Semifinished Squares (Under 0.25% Carbon) paid $689K in duties in April 2026 — an effective duty rate of 50% on $1.4M in dutiable value, based on actual customs collections rather than the published tariff schedule. Iron & Nonalloy Steel Semifinished Squares (Under 0.25% Carbon) imports of $1.4M in April 2026 ran 84% above the year-to-date monthly average of $749K.
Last updated: April 2026 dataSemifinished iron and nonalloy steel with a square cross section — where the specified width is less than twice the thickness — and containing under 0.25% carbon by weight are the defining characteristics of this heading. These billets and blooms serve as direct rolling-mill inputs for long products such as bars, rods, and sections. Section 232 tariffs apply, and the cross-sectional geometry and carbon content must both be documented, as they determine whether the product falls here or under the rectangular or higher-carbon semifinished headings.
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The SITC and HTS definitions use the ratio of width to thickness to distinguish square cross-section billets (width less than twice the thickness) from rectangular ones. A product that appears nearly square but exceeds that ratio shifts to the rectangular semifinished heading, so dimensional measurements from the mill are essential for correct classification.
This heading applies only to material containing under 0.25% carbon by weight. Semifinished products at or above that threshold — including medium- and high-carbon steel billets used for spring, rail, or wire rod applications — are classified under the separate heading for higher-carbon nonalloy steel semifinished products.
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Monthly import values over time