Monel 400 Seamless Tube from United States
Seamless tubes made from Monel 400, a nickel-copper alloy with 63-70% nickel content. These tubes are ideal for seawater piping applications due to their excellent resistance to chloride-induced stress corrosion cracking. They are classified under tariff item 7304.49.00 as seamless, circular cross-section tubes of stainless steel.
Duty Rate — United States → Canada
50%
Rate breakdown
26SUR5050%United States Surtax Order (2026) — 50% on US products
Import Tips
• Maintain alloy composition documentation to confirm the high-nickel content for classification
• Verify the tubes are seamless and circular; welded tubes are classified under different tariff items
• For marine applications, check Transport Canada or provincial requirements for seawater systems