AISI 4340 Aircraft Steel Rectangular Billet from China
Ni-Cr-Mo 4340 alloy steel rectangular billet for landing gear/structural aircraft parts, cross-section width <4x thickness. Precisely matches HTS 7224.90.0045 for alloy steel semi-finished rectangular products. High-strength requirements demand exact alloy composition.
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
• AMS specifications certification required; Ultrasonic testing reports for internal quality; Confirm minimum yield strength meets aircraft specs