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
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
• 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