Cold-Rolled AISI 4340 High-Strength Alloy Steel Plate from Mexico
Cold-reduced flat-rolled AISI 4340 steel plate (Ni-Cr-Mo alloy) at 2.5 mm thickness and 1200 mm width, used in aerospace components. Falls under HTS 7225.50.8080 for other cold-rolled alloy steel products, width ≥600 mm, thickness <4.75 mm, not further worked. Alloy composition: 0.38-0.43% C, 1.65-2.0% Ni, 0.7-0.9% Cr.
Duty Rate — Mexico → United States
10%
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
Import Tips
• Submit heat analysis certificate proving alloy status (Ni, Cr, Mo content); measure width and thickness per US notes to confirm statistical suffix; watch for anti-dumping duties on certain alloy grades