5456-H321 Aluminum Alloy Shipbuilding Plate
5456-H321 weldable alloy plate exceeding 6.3 mm for hull plating in marine vessels. The magnesium and chromium composition exceeds pure aluminum limits, classifying it as an alloy, and the unclad form fits this item.
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | — | Free |
| 🇲🇽Mexico | Free | — | Free |
| 🇺🇸United States | Free | +50.0% | 50% |
| 🇩🇪Germany | Free | — | Free |
| 🇯🇵Japan | Free | — | Free |
More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the plate is not alloyed but pure aluminum
Pure aluminum plates fall under a different subheading.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right tariff item — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Confirm the plate is unclad and exceeds 0.2 mm thickness
• Provide alloy composition certificates
• Be aware of potential anti-dumping duties on aluminum
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