AISI 4340 Hot-Extruded Alloy Steel Hexagonal Rod from Mexico
AISI 4340 nickel-chromium-molybdenum alloy steel hexagonal rod, hot-extruded for high-stress aircraft landing gear and crankshafts. HTS 7228.30.80 covers other alloy steel rods not further worked than hot-rolled, drawn, or extruded. Exceeds carbon steel alloy thresholds.
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
• Document hot-extrusion process to distinguish from forged products under 7228.40
• Verify not qualifying as high-strength steel per note (a); yield >355 MPa may trigger different rates
• Include heat treatment records if normalized, but avoid finish-worked descriptions