Seamless Carbon Steel Heat Exchanger Tube from United States
A nonalloy seamless tube with wall thickness of 4 mm or more, for shell-and-tube heat exchangers in refineries. Its seamless manufacture and thick walls classify it under tariff item 7304.90.00 as 'Other' seamless tubes of iron or nonalloy steel.
Duty Rate — United States → Canada
50%
Rate breakdown
26SUR5050%United States Surtax Order (2026) — 50% on US products
Import Tips
• Confirm the wall thickness is at least 4 mm to meet the item's scope
• Keep documentation showing the seamless manufacturing process
• Verify the steel is nonalloy to avoid alloy steel classification