5083 Aluminum Alloy Billet from China
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 — China → United States
35%
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
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
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