6063 Aluminum Channel Profile from China
U-shaped channel extrusions from 6063 aluminum alloy for window frames and curtain walls. Under HTS 7604.29.1090 as 'other' profiles, distinguished by open channel cross-section not qualifying as hollow or rectangular. Alloy composition includes magnesium and silicon exceeding purity thresholds.
Duty Rate — China → United States
40%
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
• Document anodizing or finishing if applied; surface treatments don't change 7604 classification
• Ensure invoices specify 'extruded profile' to prevent confusion with rolled products