AISI 4340 Hot-Rolled Alloy Steel Shaft Blank from Canada
300 mm diameter hot-rolled bar of AISI 4340 nickel-chromium-molybdenum steel for aircraft landing gear. Falls under HTS 7228.30.80.70 as other hot-rolled alloy steel bars exceeding 228 mm cross-section, not further worked. Offers superior fatigue resistance for aerospace components.
Duty Rate — Canada → 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
• Include heat treatment records showing as-rolled condition, not normalized or quenched
• Document minimum alloy content (Ni, Cr, Mo) to confirm alloy steel per Chapter 72 note definitions
• Avoid shipments with mill scale removal that might constitute 'further worked' treatment