AL-6XN Super Austenitic Heat Exchanger Tube from China
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 — China → United States
35%
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
9903.91.0125%Effective with respect to entries on or after September 27, 2024, articles the product of China, as provided for in subdivision (b) of U.S. note 31 to this subchapter
Import Tips
• Document PREN >40 confirming super austenitic classification
• Specify process fluid corrosivity levels
• Confirm tariff shift rules for substantial transformation