Welded Nonalloy Steel Heat Exchanger Tube from Mexico
Welded circular tube from nonalloy steel, wall thickness 1.65 mm or greater, designed for shell-and-tube heat exchangers in industrial processes. Provides efficient heat transfer between fluids under pressure. HTS 7306.30.5010 applies due to welded construction and suitability for heat exchangers.
Duty Rate — Mexico → 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
• Submit engineering drawings showing heat exchanger application to support tariff classification
• Measure wall thickness precisely; values below 1.65 mm move to 7306.30.30 subheading
• Avoid common pitfall of classifying as drill pipe (7304.22) without pressure/end-use proof