5456-H321 Aluminum Alloy Shipbuilding Plate from Japan
5456-H321 weldable alloy plate exceeding 6.3 mm for hull plating in marine vessels. HTS 7606.92.3025 covers this unclad alloy due to magnesium/chromium composition exceeding pure aluminum limits.
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
9903.03.060%Articles of aluminum, of steel, or of copper or derivative aluminum or steel articles; passenger vehicles (sedans, sport utility vehicles, crossover utility vehicles, minivans, and cargo vans) and light trucks; parts of passenger vehicles (sedans, sport utility vehicles, crossover utility vehicles, minivans, and cargo vans) and light trucks; medium- and heavy-duty vehicles; parts of medium- and heavy-duty vehicles; wood products; and semiconductor articles, of any country, as provided in subdivision (aa)(v) of U.S. note 2 to this subchapter
Import Tips
• Document temper and alloy for MFN duty rate application
• Measure thickness at thinnest point to confirm >6.3 mm
• Beware of reclassification if cut to custom sizes post-import