Cold-Drawn U-Tube for Heat Exchangers from United States
A seamless cold-formed U-shaped carbon steel tube for removable bundles in process heat exchangers, featuring a non-alloy composition with 0.8-2.0 mm wall thickness. Its U-shape design accommodates thermal expansion in refining service, ensuring reliable performance under temperature fluctuations. This product is classified under 7304.31.00 as a cold-drawn seamless tube of non-alloy steel.
Duty Rate — United States → Canada
50%
Rate breakdown
26SUR5050%United States Surtax Order (2026) — 50% on US products
Import Tips
• Document the U-bending process and ensure it does not alter the tube's fundamental character for classification purposes
• Provide detailed specifications including wall thickness and bend radius to the CBSA
• Verify that the non-alloy steel composition is accurately declared