Rhenium Vacuum Tube Filament Scrap
> Scrap filaments from specialty vacuum tubes used in microwave power amplifiers, containing pure rhenium wire. These are classified as rhenium waste and scrap from electronics manufacturing, with high purity enabling direct recovery.
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 filaments are still usable
Usable filaments are articles of rhenium, not waste and scrap.
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 filaments are not contaminated with other metals from the vacuum tube assembly
• Provide evidence that the filaments are broken or worn and not usable
• Check if the scrap is subject to any electronics waste regulations
Related Products under Tariff item 8112.41.00
Atomized Rhenium Powder - Aerospace Grade
> Gas-atomized spherical rhenium powder meeting AMS specifications for aerospace investment casting. This is unwrought rhenium in powder form, providing uniform melt characteristics for subsequent alloying.
Commercial Rhenium Powder 99.5% Purity
> Commercial-grade rhenium powder with 99.5% purity for general metallurgical research and alloy development. This is unwrought rhenium in powder form, cost-effective for R&D applications.
Discarded Rhenium Thermocouple Wire
> Discarded thermocouple wires made from tungsten-rhenium alloys, burnt out during high-temperature furnace monitoring. These wires are now scrap, with significant rhenium content, making them valuable for metal recovery and recycling.
High-Purity Rhenium Sputtering Target Powder
> Rhenium powder specifically prepared for plasma sputtering to deposit thin films in semiconductors. This is classified as unwrought powder since it is not yet formed into sputtering targets.
Nano-Rhenium Powder for Catalysis
> Nanoparticle rhenium powder with particle size less than 100nm, used as a precursor for petroleum reforming catalysts. This remains unwrought powder until supported on alumina.
Rhenium Alloying Powder for Superalloys
> Atomized rhenium powder used as a master alloy addition in nickel-based superalloys for gas turbines. This unwrought powder form is used before melting and alloying, enhancing creep resistance.