7178-T651 High-Toughness Alloy Plate from China
7178-T651 aluminum plate, 6.2 mm thick, rectangular for heavy-duty marine structures. Heat-treatable zinc alloy per statistical note 7, unclad, exactly fitting HTS 7606.12.30.91 thickness limit.
Duty Rate — China → United States
38%
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
• Marine alloys need corrosion resistance specs to support industrial use
• Thickness gauging at multiple points; average determines HTS
• Declare as 'plate' not 'sheet' based on rigidity and intended stiffening role