Nb powder for NbTi superconductors, NbO capacitor anodes, 718 additions and C-103 rocket AM. 99.9-99.99% purity, spherical cuts, certified interstitials per lot.
QUICK ANSWER
Niobium powder serves four distinct industries: superconductors (Nb and NbTi for MRI magnets and particle accelerators), capacitors (niobium and niobium oxide anodes as tantalum alternatives), superalloy additions (the Nb in Inconel 718 and C-103 rocket alloys), and medical/chemical applications exploiting niobium's tantalum-like corrosion resistance at half the density and a fraction of the cost.
Niobium's strategic importance outweighs its tonnage: it is the workhorse superconductor (NbTi wire in every MRI machine, Nb₃Sn and pure Nb cavities in accelerators), the key grain-refining and strengthening addition in the world's most-used superalloy (718 contains ~5% Nb), and an emerging capacitor metal. Powder form serves capacitor anode production (like tantalum, surface area is the product), additive manufacturing of rocket components and implants, powder metallurgy sputtering targets, and metallurgical additions where powder dissolves faster than ingot in melt shops.
MATERIAL DATA
Lot-level controls focus on the chemistry, particle characteristics, and process values that influence manufacturing consistency and finished-part performance.
| Element | Content | Performance Role |
|---|---|---|
| Niobium (Nb) | > 99.9 wt% | Base metal — purity defines superconducting and capacitor performance |
| Oxygen (O) | 500-3000 ppm (grade dependent) | Critical for superconductor and capacitor grades |
| Tantalum (Ta) | < 500 ppm | Ta/Nb separation defines grade purity |
| Carbon + nitrogen | < 150 ppm combined | Interstitial control for ductility |
| Metallic impurities | < 100 ppm combined | Trace control per ASTM B392 chemistry |
Final limits can be aligned with the agreed purchase specification.
APPLICATIONS
Superconductor manufacture is the highest-value stream: MRI magnet NbTi billet production, accelerator cavity fabrication (pure Nb sheet and powder-metallurgy forms), and Nb₃Sn wire for high-field research magnets all start from high-purity niobium, with 4N powder serving sputtering targets that deposit superconducting and diffusion-barrier films. This market buys on certified purity and interstitial content — a superconducting cavity's performance traces directly to trace tantalum and oxygen in the starting material.
Capacitors and additive manufacturing form the growth streams: niobium oxide (NbO) capacitors offer tantalum-like volumetric efficiency at lower cost and better supply security, driving niobium anode powder demand; AM of C-103 (Nb-10Hf-2.5Ti) rocket nozzles and niobium implants uses spherical powder. Metallurgical additions — Nb powder and FeNb dissolve into steel and superalloy melts — consume tonnage, while the hydrogen economy adds a new frontier in niobium-based membranes and catalysts.
REFRACTORY & RARE METAL POWDERS
CUSTOM SUPPLY
We supply niobium powder in hydride-dehydride irregular grades (capacitor, metallurgical), spherical gas-atomized cuts for AM and spraying, and 4N high-purity grades for superconductor and target applications. Custom oxygen levels, NbO capacitor anode powder, C-103 alloy powder, and lot-certified full chemistry are available. Not export-controlled.
We supply niobium powder in hydride-dehydride irregular grades (capacitor, metallurgical), spherical gas-atomized cuts for AM and spraying, and 4N high-purity grades for superconductor and target applications.
Custom oxygen levels, NbO capacitor anode powder, C-103 alloy powder, and lot-certified full chemistry are available.
MATERIAL COMPARISON
| Comparison Point | This Product | Tantalum |
|---|---|---|
| Density | 8.57 g/cm³ | 16.65 g/cm³ — double |
| Cost | Moderate | 3-5x higher |
| Corrosion resistance | Excellent | Near-total — marginally better |
| Capacitor performance | Good (NbO growing) | Benchmark |
| Superconductivity | Yes — 9.2 K | No practical use |
| Best use | Superconductors, cost-sensitive corrosion, AM | Extreme corrosion, premium capacitors |
TECHNICAL FAQ
Need a different chemistry, particle range, or processing route? Our material team can review the requirement and supply window.
Hydride-dehydride irregular powder with controlled surface area — analogous to tantalum capacitor practice. We supply Nb and NbO anode grades with CV/g data and certified oxygen.
Yes — 99.99% niobium with certified Ta, O, N, and interstitial panels for sputtering target and cavity-grade applications.
Yes — Nb-10Hf-2.5Ti spherical powder for rocket nozzle AM, atomized from certified alloy feedstock. Standard Nb spherical cuts also available for implant and chemical AM.
Powder dissolves faster and more completely in the melt, improving yield and chemistry precision — worth the premium in high-grade HSLA and superalloy production where Nb recovery matters.
No. Niobium ships without licensing requirements.
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