AL-6XN Stainless Heat Exchanger U-Tube from China
Pre-formed U-bend seamless AL-6XN stainless steel tubes for floating head heat exchangers in desalination plants. UNS N08367 alloy provides seawater corrosion resistance. 7304.49.0045 classification for heat exchanger suitability, seamless stainless construction with circular section.
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
• U-bend dimensions (leg length, radius, wall thinning) must match exchanger design exactly
• Seawater service declaration supports high-Mo alloy justification