5083 Aluminum Alloy Billet from Mexico
Marine-grade 5083 billets with 4-4.9% magnesium and 0.4-1% manganese, used for shipbuilding plates. Aluminum predominates with other elements >1%, per note (b). Other unwrought alloy under 7601.20.90.95.
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
9903.03.060%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; and semiconductor articles, of any country, as provided in subdivision (aa)(v) of U.S. note 2 to this subchapter
Import Tips
• Marine alloys often face Coast Guard specs—include material safety data in entries
• Monitor magnesium content declarations closely; fluctuations can trigger alloy vs non-alloy debates