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Formula: Nb
Form: Wire
Material: Niobium
CAS Number: 7440-03-1
Commodity: Metals
Niobium Spooled Wire is a product within Goodfellow's extensive range of wire materials. With 124 size and purity variations, this ductile refractory metal wire offers excellent corrosion resistance and superconductivity properties. Applications of niobium wire include superconducting magnets, high-temperature furnace heating elements, and welding. The wide selection of niobium wire from Goodfellow allows customers to select the optimal size and purity to meet their specific design needs.
Tolerances
Wire
| Diameter | ±10% | |
|---|---|---|
| Length | +5% / -1% |
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 |
Other Customers Purchased
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Ytterbium Spooled Wire Formula: Yb
Percentage Purity: 99.9%
Product Shape: Spooled
Diameter: 1mm
Length: 0.05m
CAS Number: 7440-64-4
UOM Code: 485-730-07
eachStarting at $1,409.95
Discounts applied for volume purchases -
Yttrium Spooled Wire Formula: Y
Percentage Purity: 99.9%
Product Shape: Spooled
Diameter: 0.5mm
Length: 0.1m
CAS Number: 7440-65-5
UOM Code: 027-639-63
eachStarting at $622.81
Discounts applied for volume purchases
