AISI 4340 Nickel-Chromium-Molybdenum Steel Ingots from China
Large remelted ingots of AISI 4340 low-alloy steel used in aerospace and automotive forgings, containing nickel, chromium, and molybdenum. Falls under HTS 7224.10.00 as primary forms of alloy steel not qualifying as tool, ball-bearing, or heat-resisting steel per chapter notes.
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
• Submit chemical analysis reports documenting Ni/Cr/Mo content to confirm 'other alloy steel'
• Declare exact weight and dimensions to distinguish from scrap
• Common pitfall: rust discoloration doesn't reduce duties per chapter note