Forged 4340 Alloy Steel Flat Bar from China
Forged flat bar of 4340 nickel-chromium-molybdenum alloy steel, supplied in rectangular cross-section without further working, ideal for structural components in aerospace. Classified under HTS 7228.40.00.00 for alloy steel bars forged only, meeting alloy steel definitions with added Ni and Cr content. No polishing, coating, or other Chapter 72 'further worked' treatments applied.
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 chemical analysis certificates proving >1.5% Ni and Cr-Mo content for alloy verification; inspect for any scale removal that could be deemed 'further worked'; use proper packing to prevent rust, as no duty allowance for pre-entry discoloration per Chapter notes