Cobalt Discs
Circular cobalt discs used for sealing rings and wear plates in valves. These machined articles of cobalt offer high wear resistance and are classified as other articles of cobalt under this tariff 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 | — | Free |
| 🇩🇪Germany | Free | — | Free |
| 🇯🇵Japan | Free | — | Free |
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the discs are presented as parts of valves
Parts of valves are classified under Chapter 84 when presented with the valve.
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
• Provide detailed specifications including dimensions and cobalt purity to support classification
• If the discs are imported with valves, they may be classified as parts of valves under Chapter 84
• Ensure the discs are not considered parts of general use, which would be classified elsewhere
Related Products under Tariff item 8105.90.00
Cobalt Anodes
Sacrificial cobalt anodes used for cathodic protection in marine environments. These shaped articles are made of high-purity cobalt and are designed to corrode preferentially to protect submerged metal structures.
Cobalt Balls
Precision ground cobalt balls used in bearings and valves for corrosive environments. These high-sphericity balls are fabricated articles of cobalt, offering an alternative to tungsten carbide in demanding applications.
Cobalt Crucibles
High-purity cobalt crucibles used in crystal growth furnaces. These fabricated hollow articles of cobalt are designed to withstand extreme temperatures and are essential in semiconductor manufacturing processes.
Cobalt Electrodes
Pure cobalt electrodes used for electroplating and EDM applications. These shaped electrodes are classified as articles of cobalt, used for depositing cobalt layers or as tooling in electrical discharge machining.
Cobalt Foil
Thin cobalt foil used for evaporation targets in thin-film deposition and shielding. This fabricated article of cobalt, with cobalt content exceeding 99% by weight, is classified under this tariff item as other cobalt articles.
Cobalt Ingots
Cast cobalt ingots for remelting in alloy production. These ingots are considered articles of cobalt under this tariff item, produced by vacuum induction melting for high purity, and are not mattes or intermediate products.