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Formula: Nb
Form: Coil
Material: Niobium
CAS Number: 7440-03-1
Commodity: Metals
Purity:
99.9%
Niobium Coil provides excellent corrosion resistance, high ductility, and thermal stability in a rolled metallic form, enabling flexible fabrication into complex geometries. Its high melting point and resistance to chemical attack make it suitable for aerospace, chemical processing, and electronics manufacturing. Common uses include lining for chemical reaction vessels, components in high-temperature furnaces, and shielding for superconducting applications. In research, Niobium Coil supports the development of advanced thermal management systems, superconducting devices, and high-vacuum components. Its roll form allows for continuous processing, ensuring efficiency in both industrial manufacturing and experimental prototyping, where precision and material integrity are critical.
Tolerances
Coil
| Thickness | <0.01mm | ±25% |
|---|---|---|
| Thickness | 0.01mm - 0.05mm | ±15% |
| Thickness | >0.05mm | ±10% |
Material Properties for Metals
Atomic Properties
| Element | Value |
|---|---|
| Atomic number | 41 |
| Crystal structure | Body centred cubic |
| Electronic structure | Kr 4d⁴ 5s¹ |
| Valences shown | 2, 3, 4, 5 |
| Atomic weight( amu ) | 92.9064 |
| Thermal neutron absorption cross-section( Barns ) | 1.15 |
| Photo-electric work function( eV ) | 4.3 |
| Atomic radius - Goldschmidt( nm ) | 0.147 |
| Ionisation potential( No./eV ) | 3/ 25.0 |
| Ionisation potential( No./eV ) | 2/ 14.3 |
| Ionisation potential( No./eV ) | 6/ 103 |
| Ionisation potential( No./eV ) | 1/ 6.88 |
| Ionisation potential( No./eV ) | 4/ 38.3 |
| Ionisation potential( No./eV ) | 5/ 50.5 |
Mechanical Properties
| Element | Value |
|---|---|
| Material condition | Hard |
| Material condition | Soft |
| Poisson's ratio | 0.397 |
| Poisson's ratio | 0.397 |
| Bulk modulus( GPa ) | 170.3 |
| Bulk modulus( GPa ) | 170.3 |
| Tensile modulus( GPa ) | 104.9 |
| Tensile modulus( GPa ) | 104.9 |
| Izod toughness( J m⁻¹ ) | 10-120 |
| Hardness - Vickers( kgf mm⁻² ) | 115 |
| Hardness - Vickers( kgf mm⁻² ) | 160 |
| Tensile strength( MPa ) | 330 |
| Tensile strength( MPa ) | 585 |
| Yield strength( MPa ) | 550 |
| Yield strength( MPa ) | 240 |
Electrical Properties
| Element | Value |
|---|---|
| Electrical resistivity( µOhmcm ) | 16@20@20°C |
| Superconductivity critical temperature( K ) | 9.25 |
| Temperature coefficient( K⁻¹ ) | 0.0026@0-100°C |
Physical Properties
| Element | Value |
|---|---|
| Boiling point( C ) | 4742 |
| Density( gcm⁻³ ) | 8.57@20°C |
Thermal Properties
| Element | Value |
|---|---|
| Melting point( C ) | 2468 |
| Latent heat of evaporation( J g⁻¹ ) | 7360 |
| Latent heat of fusion( J g⁻¹ ) | 290 |
| Specific heat( J K⁻¹ kg⁻¹ ) | 268@25°C |
| Thermal conductivity( W m⁻¹ K⁻¹ ) | 53.7@0-100°C |
| Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) | 7.2@0-100°C |
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