AL-6XN Super Austenitic Heat Exchanger Tube from Mexico
Super austenitic AL-6XN welded stainless tubes for extreme corrosion heat exchangers, wall ≥1.65 mm. High PREN for halide service. Classified HTS 7306.40.50.15 heat exchanger tubes.
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
• Document PREN >40 confirming super austenitic classification
• Specify process fluid corrosivity levels
• Confirm tariff shift rules for substantial transformation