Cold-Rolled AISI 4340 High-Strength Alloy Steel Plate from China
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 — China → United States
75%
Rate breakdown
9903.82.0250%Except as provided for in headings 9903.82.14, 9903.85.67 and 9903.85.68, articles of aluminum, of steel or of copper and derivative aluminum or steel articles, as provided for in subdivisions (c)(i)–(v) of U.S. note 16 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
9903.05.900%Articles of aluminum, of steel or of copper or derivative aluminum or steel articles; passenger vehicles (sedans, sport utility vehicles, crossover utility vehicles, minivans and cargo vans) and light trucks; parts of passenger vehicles (sedans, sport utility vehicles, crossover utility vehicles, minivans and cargo vans) and light trucks; medium- and heavy-duty vehicles; parts of medium- and heavy-duty vehicles; wood products; patented pharmaceutical articles; and semiconductor articles, as provided in subdivision (f) of U.S. note 52 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