7178-T651 Hollow Aluminum Alloy Extrusion from Japan
7178-T651 hollow extrusion, heat-treatable high-strength alloy for structural aerospace use, zinc-magnesium-copper composition. Provides upper wing strength. HTS 7604.21.00.10 for note 7 heat-treatable hollow profiles.
Duty Rate — Japan → United States
51.5%
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
• High-strength alloys need non-destructive testing reports for import
• Confirm cross-section is profile, not tubular for pressure
• Alloy must predominate Al per subheading note (b); no steel composites