AISI 9310 Alloy Steel Bar from China
Hot-rolled AISI 9310 case-hardening alloy steel bar for aircraft gears and bearings. Falls under HTS 7228.60.60.00 as other non-cold-formed alloy steel bars, with Ni-Cr-Mo composition not meeting ball-bearing or tool steel specs in chapter notes. Rectangular or round sections available.
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
• For case-hardening grades, confirm no special deformations that could classify as reinforcing per note (c)
• Use AMS specs documentation for aerospace alloys to support valuation and classification