AISI 4340 Nickel-Chromium-Molybdenum Wire from Mexico
AISI 4340 alloy wire for aircraft landing gear and shafts, Ni-Cr-Mo composition for toughness. Classified HTS 7229.90.90.00 other alloy steel wire, not tool steel. Quenched/tempered capability, 2-12mm diameter.
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
• Include Charpy impact test results; declare alloy grade per AMS specs; aerospace wire may need FAA documentation