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Hot-Rolled AISI 4140 Alloy Steel Plate from China

Hot-rolled flat-rolled product of chromium-molybdenum alloy steel (AISI 4140) with thickness 4 mm and width 1200 mm, not in coils and not further worked beyond hot-rolling. Classified under HTS 7225.40.70.00 as alloy steel (not stainless), width over 600 mm, thickness under 4.75 mm, hot-rolled not in coils, other category.

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 steel composition excluding stainless steel elements per Chapter 72 notes

Measure thickness precisely as under 4.75 mm determines this subheading; over shifts to 7225.40.30

Ensure no 'further worked' treatments like polishing or coating per Chapter 72 definition to avoid reclassification