TP321H Cold-Rolled Boiler Economizer Tube from Canada
Seamless cold-rolled TP321H stabilized stainless tube for economizer sections in recovery boilers. Stabilized against weld decay in wet corrosive flue gas. 7304.51.50.15 applies to its heat-resisting seamless cold-formed construction for boilers.
Duty Rate — Canada → United States
10%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Import Tips
• Economizer use may require low-finned variants—confirm smooth wall for this code
• Biomass boiler specs often need erosion test data in entry docs
• Avoid 7304.41 by proving >800°C service rating