AL-6XN Stainless Heat Exchanger U-Tube from United States
Pre-formed U-bend seamless AL-6XN stainless steel tubes for floating head heat exchangers in desalination plants, made from UNS N08367 alloy for seawater corrosion resistance. Classified under tariff item 7304.49.00 as other seamless stainless steel tubes.
Duty Rate — United States → Canada
50%
Rate breakdown
26SUR5050%United States Surtax Order (2026) — 50% on US products
Import Tips
• Confirm the UNS N08367 alloy composition with a mill certificate
• Ensure the U-bend shape does not change the classification; it remains a tube under this heading
• Provide detailed specifications, including bend radius and dimensions, to facilitate classification