7178-T651 High-Toughness Alloy Plate from Japan
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 — Japan → United States
53%
Rate breakdown
9903.82.0250%Except as provided for in headings 9903.82.14, 9903.85.67 and 9903.85.68, articles of aluminum, of steel or of copper and derivative aluminum or steel articles, as provided for in subdivisions (c)(i)–(v) of U.S. note 16 to this subchapter
9903.05.900%Articles already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)
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