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High-Strength AISI 4340 Steel Round Bar from China

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 — 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

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'