50mm OD Boiler Economizer Tube from Canada
Seamless carbon steel economizer tube 50 mm OD for recovering waste heat in boiler stacks. Classified 7304.39.0004 as suitable for boilers, seamless circular nonalloy steel tube 38.1-190.5 mm OD. Improves boiler efficiency by preheating combustion air or feedwater.
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
• Include thermal conductivity specifications proving economizer performance
• Provide fin-tube configuration details if enhanced surface design
• Confirm against 7304.51 for alloy economizer tubes