50mm OD Boiler Economizer Tube from Mexico
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 — Mexico → United States
50%
Rate breakdown
9903.82.0250%Except as provided for in headings 9903.82.14, 9903.85.67 and 9903.85.68, articles of aluminum, of steel or of copper and derivative aluminum or steel articles, as provided for in subdivisions (c)(i)–(v) of U.S. note 16 to this subchapter
9903.03.060%Articles of aluminum, of steel, or of copper or derivative aluminum or steel articles; passenger vehicles (sedans, sport utility vehicles, crossover utility vehicles, minivans, and cargo vans) and light trucks; parts of passenger vehicles (sedans, sport utility vehicles, crossover utility vehicles, minivans, and cargo vans) and light trucks; medium- and heavy-duty vehicles; parts of medium- and heavy-duty vehicles; wood products; and semiconductor articles, of any country, as provided in subdivision (aa)(v) 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