AISI 9310 Gear Steel Square Bloom from Japan
Case-hardening 9310 alloy steel square bloom for precision gears, controlled dimensions <4x thickness ratio. Classifies under 7224.90.0045 as other alloy steel semi-finished. Ni-Cr-Mo composition optimized for gear applications.
Duty Rate — Japan → 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
• Gear quality grade certification; Core hardness documentation; Square dimension verification essential