Copper-Cerium Master Alloy
Copper-cerium master alloy with 10-20% cerium, a rare earth element, used for modifying microstructure in copper castings. This product improves casting quality and is used in specialty foundry applications. It is classified under tariff item 7405.00.00 as a master alloy of copper.
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 |
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 product is refined copper
Refined copper products are classified under heading 74.03.
If the product is worked into bars or rods
Worked copper products fall under heading 74.07.
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 a certificate of analysis to confirm the cerium content and ensure it is a master alloy
• Check if the product requires any special permits due to rare earth content
• Maintain records of the alloy's intended use in metallurgy
Related Products under Tariff item 7405.00.00
Brass Foundry Phosphor Copper 7% P Cylinders
Cylindrical castings of a copper-phosphorus master alloy containing 7% phosphorus by weight. This product is used as an additive in brass foundries to introduce phosphorus into the melt for deoxidation and to improve fluidity. It falls under tariff item 7405.00.00 as a master alloy of copper, with phosphorus content within the range typical for such alloys.
Copper-Boron Master Alloy
Copper-boron master alloy containing 4-8% boron, used for grain refinement in copper casting alloys such as bronzes. This product provides controlled boron addition to enhance mechanical properties. It is classified under tariff item 7405.00.00 as a master alloy of copper.
Copper-Chromium Master Alloy
Copper-chromium master alloy containing 8-12% chromium in a copper matrix, used for heat-resistant copper alloys. This product is essential for applications requiring high-temperature strength. It is classified under tariff item 7405.00.00 as a master alloy of copper.
Copper-Magnesium Master Alloy
Copper-magnesium master alloy with 20-30% magnesium, used for deoxidizing and hardening copper alloys. This product is used in precision casting operations to improve alloy properties. It is classified under tariff item 7405.00.00 as a master alloy of copper.
Copper-Manganese Master Alloy
Copper-manganese master alloy with 20-30% manganese content, used for alloying in aluminum bronzes and brasses. This product ensures uniform manganese distribution in metallurgical processes. It is classified under tariff item 7405.00.00 as a master alloy of copper.
Copper-Niobium Master Alloy
Copper-niobium master alloy with 15% niobium, used for precipitation hardening in high-strength copper alloys. This product is used in aerospace and electrical applications. It is classified under tariff item 7405.00.00 as a master alloy of copper.