Cold-Formed 4340 Alloy Steel Shaft Bar 150 mm Diameter from Mexico
Cold-formed 4340 nickel-chromium-molybdenum alloy steel bar with 150 mm diameter, ideal for aircraft landing gear and heavy machinery shafts. Falls under HTS 7228.50.5040 for other cold-finished alloy steel bars with 76-228 mm cross-section. Alloy status confirmed by elevated Cr, Ni, and Mo per Chapter 72 definitions.
Duty Rate — Mexico → United States
50%
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
9903.05.900%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
• Provide mill test certificates showing 4340 chemistry to prove alloy steel classification
• Document cold-forming process to distinguish from hot-rolled (7228.30) or forged products
• Watch for 'further worked' treatments like polishing that shift to 7228.70+ headings