Pure Aluminum HVAC Duct Tubing from China
Unalloyed aluminum round duct tubing for HVAC systems in corrosive environments like pools. 7608.10.00.90 as other non-alloyed tubes/pipes. 6-inch diameter flexible sections.
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
• SMACNA standards compliance documentation
• Flexible vs rigid distinction affects handling classification
• Galvanic corrosion warnings with dissimilar metals