Cold-Formed 300M Alloy Steel Round Bar from China
Ultra-high strength 300M vacuum arc remelted alloy steel bar, cold-formed 35 mm diameter for aircraft landing gear. Under HTS 7228.50.5015 as other cold-formed alloy steel rods <76 mm, qualifying as high-strength per note (a). Modified 4340 with higher Si, V for superior fatigue resistance.
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
• Certify vacuum arc remelting process and minimum yield strength (per high-strength note)
• Provide non-destructive testing reports common for aerospace material imports
• Document absence of further working like heat treatment beyond cold-forming