T11 Alloy Heat Exchanger Tube OD 31.75mm from Mexico
Seamless ASTM A335 Grade T11 alloy steel tube, OD 31.75 mm, optimized for condensers and feedwater heaters in refining furnaces. Low alloy content provides creep resistance under thermal stress. Under 7304.59.20.40 for small OD and heat exchanger suitability.
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
9903.05.900%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; patented pharmaceutical articles; and semiconductor articles, as provided in subdivision (f) of U.S. note 52 to this subchapter
Import Tips
• Include hydrostatic test certificates proving pressure integrity for boiler applications
• Avoid bulk packaging misclassification; specify individual tube lengths on invoices