Nonalloy Steel Boiler Flue Pipes from United States
Seamless thin-walled pipes of iron or nonalloy steel, designed to convey hot gases in boiler systems. With a wall thickness under 4 mm, they qualify as seamless hollow profiles under tariff item 7304.90.00. These pipes are essential for efficient heat transfer and durability in high-temperature environments.
Duty Rate — United States → Canada
50%
Rate breakdown
26SUR5050%United States Surtax Order (2026) — 50% on US products
Import Tips
• Ensure the wall thickness is below 4 mm to qualify for this tariff item
• Provide mill test certificates to verify the nonalloy steel composition
• Confirm the pipes are seamless and not welded, as welded pipes fall under different headings