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Cobalt Spooled Wire

Cobalt Spooled Wire is a versatile material offered by Goodfellow in 76 variations. Known for its high melting point, cobalt wire is an excellent choice for applications requiring high-temperature strength and corrosion resistance. With its magnetic properties, cobalt wire sees widespread use in sensors and actuators. Whether your project calls for a cobalt-chromium alloy or pure cobalt, you're sure to find a cobalt wire in Goodfellow's extensive range to meet your needs.
Formula: Co
Percentage Purity: 99.99%
Product Shape: Spooled
Diameter: 0.25mm
Length: 0.3m
Temper: Hard
CAS Number: 7440-48-4
UOM Code: 147-315-33
SKU: 1000041174
Product Code: CO00-WR-000100

Tolerances

Wire
Diameter ±10%
Length +5% / -1%

Health hazard/Hazardous to the ozone layer

Serious health hazard

Tolerances

Wire
Diameter ±10%
Length +5% / -1%
Technical Data Sheet
Safety Data Sheet
$442.80
each
  • Buy 5 for $358.67 each and save 19%
  • Buy 10 for $327.67 each and save 26%
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Material Properties for Metals

Atomic Properties
Element Value
Atomic number 27
Crystal structure Hexagonal close packed
Electronic structure Ar 3d⁷ 4s²
Valences shown 2, 3
Atomic weight( amu ) 58.9332
Thermal neutron absorption cross-section( Barns ) 37.5
Photo-electric work function( eV ) 5
Atomic radius - Goldschmidt( nm ) 0.125
Ionisation potential( No./eV ) 2/ 17.06
Ionisation potential( No./eV ) 4/ 51.3
Ionisation potential( No./eV ) 3/ 33.5
Ionisation potential( No./eV ) 1/ 79.5
Ionisation potential( No./eV ) 1/ 79.5
Ionisation potential( No./eV ) 6/ 102
Mechanical Properties
Element Value
Material condition Hard
Material condition Soft
Poisson's ratio 0.32
Poisson's ratio 0.32
Bulk modulus( GPa ) 181.5
Bulk modulus( GPa ) 181.5
Tensile modulus( GPa ) 211
Tensile modulus( GPa ) 211
Hardness - Vickers( kgf mm⁻² ) 320
Hardness - Vickers( kgf mm⁻² ) 170
Tensile strength( MPa ) 1135
Tensile strength( MPa ) 760
Yield strength( MPa ) 345-485
Electrical Properties
Element Value
Electrical resistivity( µOhmcm ) 6.34@20@20°C
Temperature coefficient( K⁻¹ ) 0.0066@0-100°C
Thermal emf against Pt (cold 0C - hot 100C)( mV ) -1.33
Physical Properties
Element Value
Boiling point( C ) 2870
Density( gcm⁻³ ) 8.9@20°C
Thermal Properties
Element Value
Melting point( C ) 1495
Latent heat of evaporation( J g⁻¹ ) 6490
Latent heat of fusion( J g⁻¹ ) 263
Specific heat( J K⁻¹ kg⁻¹ ) 456@25°C
Thermal conductivity( W m⁻¹ K⁻¹ ) 100@0-100°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) 12.5@0-100°C
Other Customers Purchased
  1. Wollaston Platinum/Rhodium Alloy Spooled Wire (Pt90/Rh10) Grade: Wollaston
    Formula: Pt90/Rh10
    Product Shape: Spooled
    Diameter: 0.005mm
    Length: 0.1m
    Outside Diameter: 0.025 - 0.1mm
    UOM Code: 000-066-13


    Wollaston wire, Silver coated.
    Overall outside diameter approx 0.025mm - 0.1mm.
    The weight shown is for the core only.
    The Silver outer sheath may be dissolved in aqueous 10% Nitric Acid.
    $476.04
    each
    Discounts applied for volume purchases
    View Product