SITCSection 6
U.S. imports of stainless steel cold-rolled flat products, ≥600mm wide, ≥4.75mm thick (SITC 67551) totaled $1.3M in April 2026, traded with 8 countries.
Importers of Stainless Steel Cold-Rolled Flat Products, ≥600mm Wide, ≥4.75mm Thick paid $643K in duties in April 2026 — an effective duty rate of 50% on $1.3M in dutiable value, based on actual customs collections rather than the published tariff schedule. Stainless Steel Cold-Rolled Flat Products, ≥600mm Wide, ≥4.75mm Thick imports of $1.3M in April 2026 ran 27% above the year-to-date monthly average of $1.0M.
Last updated: April 2026 dataCold-rolled stainless flat at 4.75 mm or more thick and at least 600 mm wide represents a relatively uncommon gauge for cold-rolling, as most heavy stainless plate is supplied hot-rolled; when produced, it is used in precision-machined components, chemical processing equipment, and applications demanding tighter thickness tolerances and smoother surface finish than hot-rolled plate can provide. Section 232 tariffs apply to this product, and the combination of cold-rolled process and heavy gauge narrows the field of qualifying mills globally. Importers should verify that the rolling method is documented in the mill test report, as CBP may question the cold-rolled designation at this thickness.
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Cold rolling at heavy gauges requires significantly greater rolling force and is economically less efficient than hot rolling for most applications. Mills that produce cold-rolled stainless at this thickness typically do so to meet tight flatness and surface finish specifications for precision applications such as semiconductor equipment or high-purity chemical processing components.
The mill test report should explicitly state the rolling method and final gauge. A process certification or technical data sheet confirming cold-reduction practice is advisable. If CBP questions the classification, the importer may need to provide metallurgical evidence — such as grain structure or surface roughness data — distinguishing the product from hot-rolled and annealed plate.
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Monthly import values over time