AISI 4340 Chromium-Molybdenum Steel Slab from United States
AISI 4340 alloy steel slabs are semi-finished products of nickel-chromium-molybdenum steel, used for aerospace forgings and high-stress components. They are rectangular in form, typically 200-400mm thick, and not further worked than primary hot-rolling.
Duty Rate — United States → Canada
50%
Rate breakdown
26SUR5050%United States Surtax Order (2026) — 50% on US products
Import Tips
• Verify the slabs meet the semi-finished product definition (solid rectangular cross-section, not in coils)
• Provide the chemical composition and rolling history for CBSA