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AISI 4340 Nickel-Chromium-Molybdenum Steel Slab from China

Flat-rolled slab of AISI 4340 alloy steel containing nickel, chromium, and molybdenum, primarily for aerospace components. Falls under HTS 7224.90.0075 as other semi-finished alloy steel products not qualifying as universal mill plate or other specified types. It is in primary form suitable for further hot working.

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 to verify alloy status; declare exact dimensions to confirm semi-finished status; check for Section 232 tariffs on steel imports exceeding quotas