Niobium (Nb) is a highperformance metal valued for its strength, corrosion resistance, and stability at elevated temperatures. It is widely used as an alloying element in steels and superalloys, where it improves toughness, weldability, and hightemperature performance for automotive, construction, and energy applications.
In aerospace and turbine systems, Niobiumbased superalloys provide excellent creep and oxidation resistance. Niobium is also essential in superconducting technologies—such as MRI systems, particle accelerators, and fusion research—through alloys like NbTi and Nb₃Sn. Additional uses include capacitors, sputtering targets, and advanced thinfilm coatings.
With its combination of mechanical strength, thermal resilience, and functional versatility, Niobium supports a wide range of advanced industrial and hightechnology applications.
General Properties
| Properties | Value |
| Element Name | Niobium |
| Symbol | Nb |
| Atomic Number | 41 |
| CAS Number | 7440031 |
| EC (EINECS) Number | 2311135 |
| Appearance | Gray metallic solid; bluish when oxidized |
| Atomic Weight | 92.906 |
| Density | 8.57–8.58 g/cm³ at 20 °C |
| Melting Point | 2477 °C (2750 K) |
| Boiling Point | 4741–4744 °C (5014–5017 K) |
| Crystal Structure | Bodycentered cubic (bcc) |
| Hardness | Mohs ~6; Vickers ~870–1320 MPa |
| Thermal Conductivity | ~53.7–54 W/(m·K) |
| Electrical Resistivity | ~152 nΩ·m at 0 °C (≈1.5×10⁻⁷ Ω·m) |
| Electronegativity (Pauling) | 1.6 |
Product Availability
We supply high purity Niobium (Nb) pellets, shot, ingots, powders, oxides, alloys and precision machined parts engineered for industrial applications requiring exceptional thermal resistance.
| Purity | Up to 99.99% (4N) |
| Forms | Pellets, Shot, Ingots, powders & oxide or custom req |
| Components | machined or customfabricated Based on drawings |
| Packaging | Vacuumsealed, moisture-protected packaging |
For inquiries regarding Niobium materials, alloys and parts, please contact our sales team for details at sales@american-gmg.com.