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
50%
Rate breakdown
9903.82.0250%Except as provided for in headings 9903.82.14, 9903.85.67 and 9903.85.68, articles of aluminum, of steel or of copper and derivative aluminum or steel articles, as provided for in subdivisions (c)(i)–(v) of U.S. note 16 to this subchapter
9903.05.900%Articles already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)
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