99% Pure Aluminum Heat Exchanger Tube from China
Finned seamless tube of unalloyed aluminum for air conditioning heat exchangers. Falls under 7608.10.00 as non-alloyed per Chapter 76 definitions, valued for thermal conductivity. Used in HVAC coils before assembly.
Duty Rate — China → United States
40.7%
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
• Provide heat treatment records showing no alloying occurred during production
• Distinguish from finished exchangers (HTS 8415) with 'tube only' invoices
• Measure fin dimensions; excessive profiling may trigger 7604 classification