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SITCSection 6
U.S. imports of silicon-electrical steel flat-rolled products, under 600mm wide (SITC 67512) totaled $6.6M in April 2026, traded with 13 countries.
Importers of Silicon-Electrical Steel Flat-Rolled Products, Under 600mm Wide paid $3.0M in duties in April 2026 — an effective duty rate of 47% on $6.5M in dutiable value, based on actual customs collections rather than the published tariff schedule. Silicon-Electrical Steel Flat-Rolled Products, Under 600mm Wide imports of $6.6M in April 2026 ran 61% above the year-to-date monthly average of $4.1M.
Last updated: April 2026 dataNarrow silicon-electrical steel strip — less than 600 mm wide — serves specialized lamination and winding applications where slit-to-width coils are required for small motor cores, instrument transformers, and inductors. The narrower format is typically produced by slitting wide master coils, and the slit width tolerance is a key quality parameter for automated lamination stamping lines. Like its wide-format counterpart, this material is subject to Section 232 tariffs and may fall within the scope of antidumping orders depending on silicon content, thickness, and country of origin.
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Generally, slitting a wide electrical steel coil to under 600 mm produces a product that shifts from the wide-strip heading (67511) to the narrow-strip heading (67512). The classification follows the physical dimensions of the product as imported, not the dimensions of the original master coil. Importers should ensure invoices and packing lists reflect the actual slit width to support correct classification.
Key specifications include core loss (watts per kilogram at a given flux density and frequency), permeability, coating type (typically an insulating coating to reduce eddy currents between laminations), thickness tolerance, and slit-width tolerance. For grain-oriented grades, the rolling direction relative to the slit width also matters. These parameters should be confirmed against the end-use motor design requirements and verified on mill test certificates.
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Monthly import values over time