4340 Alloy Steel Structural Tee from Canada
T-shaped structural section from 4340 nickel-chromium-molybdenum alloy steel, used in aircraft landing gear mounts. HTS 7228.70.60.00 for alloy shapes. Provides high tensile strength and toughness.
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 SAE 4340 specification sheets showing alloying elements qualifying under Chapter 72
• Confirm hot-rolled, not forged (forgings go to 7224.90)
• Label to distinguish from heat-resisting steel (note g) applications