Cold-Formed 4340 Alloy Steel Shaft Bar 150 mm Diameter from China
Cold-formed 4340 nickel-chromium-molybdenum alloy steel bar with 150 mm diameter, ideal for aircraft landing gear and heavy machinery shafts. Falls under HTS 7228.50.5040 for other cold-finished alloy steel bars with 76-228 mm cross-section. Alloy status confirmed by elevated Cr, Ni, and Mo per Chapter 72 definitions.
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
• Provide mill test certificates showing 4340 chemistry to prove alloy steel classification
• Document cold-forming process to distinguish from hot-rolled (7228.30) or forged products
• Watch for 'further worked' treatments like polishing that shift to 7228.70+ headings