Technical Data Sheet
Safety Data Sheet
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Niobium Foil

Niobium Foil is available in a comprehensive 190 variations. Niobium is a refractory metal with a high melting point, excellent corrosion resistance and superconducting properties at low temperatures. Niobium Foil is used in superconducting magnets, particle accelerators, nuclear reactors, and high-temperature structural applications where its corrosion resistance is advantageous. With nearly 200 options, Goodfellow's Niobium Foils provide researchers and engineers with the flexibility to select the ideal foil for their specific application.
Formula: Nb
Percentage Purity: 99.9%
Temper: As Rolled
Thickness: 0.05mm
Length 1: 150mm
Length 2: 150mm
CAS Number: 7440-03-1
UOM Code: 362-947-83
SKU: 1000137863
Product Code: NB00-FL-000116

Tolerances

Foil
Thickness <0.01mm ±25%
Thickness 0.01mm - 0.05mm ±15%
Thickness >0.05mm ±10%
No Minimum order Despatch of products in stock within 48 hours Free technical support *Free delivery worldwide
$547.71
each
  • Buy 5 for $443.65 each and save 19%
  • Buy 10 for $405.31 each and save 26%

Shipping restrictions and charges
may apply for some hazardous materials.

Tolerances

Foil
Thickness <0.01mm ±25%
Thickness 0.01mm - 0.05mm ±15%
Thickness >0.05mm ±10%
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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