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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