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High-Strength AISI 4340 Steel Round Bar from Mexico

AISI 4340 Ni-Cr-Mo high-strength alloy steel round bar (45 mm dia), hot-rolled for aircraft landing gear. HTS 7228.30.80.15 for alloy bars <76 mm hot-rolled; may meet high-strength note (a) if yield verified but classifies here as other alloy.

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

High-strength note (a) for reference but classification by alloy first,Mechanical test reports helpful for end-use verification if challenged,Prevent surface treatments that constitute 'further worked'