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Niobium Pellets

Niobium Pellets are a form of pure niobium offered by Goodfellow within their extensive range of metal pellets. With a high melting point of 2477°C, niobium pellets exhibit good corrosion resistance and high strength at elevated temperatures. These properties make niobium suitable for applications such as superconducting magnets and specialty alloys. The high purity niobium pellets from Goodfellow provide researchers and engineers with a convenient form to prototype and test new niobium-based technologies.
Maximum Lump Size: 10mm
Weight: 100g
Technical Name: Niobium
Formula: Nb
Percentage Purity: 99.9%
Density: 8.57g/cm³
CAS Number: 7440-03-1
UOM Code: 019-947-00
SKU: 1000002357
Product Code: NB00-LP-000100

Tolerances

Pellets
Maximum Lump Size Nominal
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£372.06
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Tolerances

Pellets
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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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