AISI 4340 Nickel-Chromium-Molybdenum Steel Ingots from United States
Large remelted ingots of AISI 4340 low-alloy steel, containing nickel, chromium, and molybdenum, intended for aerospace and automotive forgings. These primary forms do not qualify as tool steel or stainless steel and are classified under heading 72.24 as ingots of other alloy steel.
Duty Rate — United States → Canada
50%
Rate breakdown
26SUR5050%United States Surtax Order (2026) — 50% on US products
Import Tips
• Verify the ingots are in primary form and not semi-finished, as further working changes the tariff classification
• Provide chemical analysis to confirm the steel is not stainless or tool steel
• Check if the end-use in aerospace may require additional documentation from CBSA