5456-H321 Aluminum Alloy Shipbuilding Plate
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.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If unalloyed version
If impurities stay within note (a) table limits, it's non-alloy.
If as part of vessels
Plates pre-assembled into boats classify under Chapter 89.
Not sure which classification is right?
Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.
Import Tips & Compliance
• 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
Related Products under HTS 7606.92.30.25
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