3003 Aluminum Alloy HVAC Tubing from China
Coiled or straight 3003 aluminum alloy tubing for HVAC refrigerant lines and condenser coils. Classified HTS 7608.20.00 as aluminum alloy tubes containing manganese alloying elements. Common diameters 3/8" to 7/8" with 0.020-0.032" walls.
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
• Refrigerant tubing must meet UL/CSA standards; include certification markings documentation
• Coiled shipments declare both coiled weight and expanded length for accurate duty calculation
• Nitrogen-charged coils prevent oxidation; verify charge pressure retention certificates