Technical Data Sheet
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Tungsten Spooled Wire

Tungsten Spooled Wire is a product offered by Goodfellow within their range of bolts. With 425 variations, this wire provides a robust and versatile option for a variety of scientific and industrial applications. The high density and hardness of tungsten make this wire well suited for filaments in incandescent light bulbs. Additionally, the strength and thermal resistance of tungsten wire at high temperatures make it useful for electrical contacts in switching devices. With its unique properties, Tungsten Spooled Wire serves as a crucial material across many sectors.
Diameter: 0.1mm
Type: Clean
Length: 500M
Technical Name: Tungsten
Formula: W
Percentage Purity: 99.95%
Density: 19.3g/cm³
CAS Number: 7440-33-7
Product Shape: Spooled
UOM Code: 780-893-27
SKU: 1000218290
Product Code: W-00-WR-000138

Tolerances

Wire
Diameter ±10%
Length +5% / -1%
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£287.26
  • Buy 5 for £256.65 each and save 11%
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Tolerances

Wire
Diameter ±10%
Length +5% / -1%
Technical Data Sheet
Safety Data Sheet

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Material Properties for Metals

Atomic Properties
Element Value
Atomic number 74
Crystal structure Body centred cubic
Electronic structure Xe 4f¹⁴ 5d⁴ 6s²
Valences shown 2,3,4,5,6
Atomic weight( amu ) 183.85
Thermal neutron absorption cross-section( Barns ) 18.5
Photo-electric work function( eV ) 4.55
Natural isotope distribution( Mass No./% ) 183/ 14.3
Natural isotope distribution( Mass No./% ) 182/ 26.3
Natural isotope distribution( Mass No./% ) 186/ 28.6
Natural isotope distribution( Mass No./% ) 180/ 0.1
Natural isotope distribution( Mass No./% ) 184/ 30.7
Atomic radius - Goldschmidt( nm ) 0.141
Ionisation potential( No./eV ) 1/ 7.98
Ionisation potential( No./eV ) 2/ 17.7
Mechanical Properties
Element Value
Material condition Soft
Material condition Hard
Poisson's ratio 0.28
Poisson's ratio 0.28
Bulk modulus( GPa ) 311
Bulk modulus( GPa ) 311
Tensile modulus( GPa ) 411
Tensile modulus( GPa ) 411
Hardness - Vickers( kgf mm⁻² ) 360
Hardness - Vickers( kgf mm⁻² ) 500
Tensile strength( MPa ) 550-620
Tensile strength( MPa ) 1920
Yield strength( MPa ) 550
Electrical Properties
Element Value
Electrical resistivity( µOhmcm ) 5.4@20@20°C
Superconductivity critical temperature( K ) 0.0154
Temperature coefficient( K⁻¹ ) 0.0048@0-100°C
Thermal emf against Pt (cold 0C - hot 100C)( mV ) 1.12
Physical Properties
Element Value
Boiling point( C ) 5660
Density( gcm⁻³ ) 19.3@20°C
Thermal Properties
Element Value
Melting point( C ) 3410
Latent heat of evaporation( J g⁻¹ ) 4009
Latent heat of fusion( J g⁻¹ ) 192
Specific heat( J K⁻¹ kg⁻¹ ) 133@25°C
Thermal conductivity( W m⁻¹ K⁻¹ ) 173@0-100°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) 4.5@0-100°C
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