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Niobium Powder

Niobium powder is offered in our extensive range of metals and alloys. This refractory metal powder comes in 29 variations, with particle sizes ranging from 1 to 45 microns. With a high melting point of 2477°C, it’s suitable for use in superalloys, welding products and superconducting magnets. The addition of niobium to steel and nickel alloys improves their strength and corrosion resistance. Niobium’s flexibility also lends itself to use in capacitors and optics. With its unique properties, Niobium Powder enables diverse applications across many industries.
Formula: Nb
Percentage Purity: 99.9%
Maximum Particle Size: 20µm
Weight: 10g
CAS Number: 7440-03-1
UOM Code: 151-919-68
SKU: 1000051556
Product Code: NB00-PD-000125

Tolerances

Powder
Mean Particle Size Nominal
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Particle Size D10 Nominal
Particle Size D50 Nominal
Particle Size D90 Nominal

Flammable

No Minimum order Approx. 2 weeks leadtime Free technical support *Free delivery worldwide
£186.38
each
  • Buy 5 for £150.97 each and save 19%
  • Buy 10 for £137.92 each and save 26%

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Tolerances

Powder
Mean Particle Size Nominal
Minimum Particle Size Nominal
Maximum Particle Size Nominal
Maximum Particle Size Nominal
Particle Size D10 Nominal
Particle Size D50 Nominal
Particle Size D90 Nominal
Technical Data Sheet
Safety Data Sheet

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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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