AISI 9310 Gear Steel Semi-Finished Billet from China
Billet of AISI 9310 nitriding alloy steel for high-performance gears. HTS 7224.90.0075 as other alloy semi-finished, not ball-bearing steel despite similar use.
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 for AMS 6265 spec compliance; avoid bulk packaging that suggests further processing; declare origin accurately for steel tariffs