Marine Grade Zinc Alloy Blocks
Marine grade zinc alloy blocks are unwrought castings designed for use as sacrificial anodes in seawater applications. The alloy contains zinc as the predominant metal, with other elements exceeding 2.5%, qualifying it as a zinc alloy under Chapter 79. These blocks are supplied in unwrought form for subsequent installation.
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | — | Free |
| 🇲🇽Mexico | Free | — | Free |
| 🇺🇸United States | Free | — | Free |
| 🇩🇪Germany | Free | — | Free |
| 🇯🇵Japan | Free | — | Free |
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the blocks are machined or fitted with attachments
Finished zinc articles are classified under a different heading.
If the zinc content is between 97.5% and 99.99%
Zinc not alloyed with lower purity is classified under a different item.
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
• Ensure the blocks are classified as unwrought, not as finished anodes with attachments, to qualify for this tariff item
• Provide a certificate of analysis to confirm the zinc alloy composition
• Check if the product is subject to any environmental regulations upon import
Related Products under Tariff item 7901.20.00
ACuZinc 5 Zinc Alloy Pig
ACuZinc 5 is a zinc-copper-aluminum alloy supplied as unwrought pig castings, with zinc as the predominant metal by weight. It is designed for die casting applications and meets the definition of a zinc alloy under Chapter 79, where the total content of elements other than zinc exceeds 2.5% by weight.
AlZamax Zinc Alloy Billet Stock
AlZamax billets are unwrought zinc alloy stock, primarily composed of zinc with alloying elements like aluminum and copper, used for hot-chamber die casting. The zinc content predominates by weight, and the total other elements exceed 2.5%, qualifying it as a zinc alloy under Chapter 79.
CDA 779 Zinc Alloy Ingots
CDA 779 ingots are a zinc-aluminum-copper alloy in unwrought form, conforming to Copper Development Association specifications. Zinc is the predominant metal by weight, and the alloying elements exceed 2.5%, making it a zinc alloy under Chapter 79.
EZAC3 Zinc Alloy Casting Ingots
EZAC3 ingots are an engineering zinc-aluminum-copper alloy supplied in unwrought form for pressure die casting. Zinc predominates by weight, and the total other elements exceed 2.5%, meeting the definition of a zinc alloy under Chapter 79. These ingots are used for thin-walled castings in telecommunications and other industries.
Kirksite Zinc Alloy Sheet Stock
Kirksite is a zinc-lead-copper alloy provided as unwrought sheet stock for tooling and die applications. Zinc is the predominant metal by weight, and the alloying elements exceed 2.5%, classifying it as a zinc alloy under Chapter 79. The sheet form is considered unwrought if not further worked.
SuperZinc Zinc Alloy Master Alloy
SuperZinc master alloy slabs are unwrought zinc-based alloys containing high zinc content with grain-refining modifiers for use in aluminum foundries. Zinc predominates by weight, and the total other elements exceed 2.5%, meeting the definition of a zinc alloy under Chapter 79. These slabs are supplied in unwrought form for remelting.