AISI 9310 Alloy Steel Bar from Mexico
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 — Mexico → United States
10%
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
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