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Cold-Rolled AISI 4140 Alloy Steel Strip from China

Thin strip of AISI 4140 chromium-molybdenum alloy steel, cold-rolled to a thickness not exceeding 0.25 mm and width under 300 mm. Classified under HTS 7226.92.70 as flat-rolled alloy steel (not stainless), not further worked than cold-rolled, meeting the precise dimensional specs. Used in precision springs and automotive components.

Duty Rate — China → United States

35%

Rate breakdown

9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
9903.91.0125%Effective with respect to entries on or after September 27, 2024, articles the product of China, as provided for in subdivision (b) of U.S. note 31 to this subchapter

Import Tips

Provide mill test certificate confirming alloy composition excludes stainless steel; ensure accurate thickness measurement documentation to avoid reclassification; declare exact width to confirm <300mm eligibility