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Formula: Y
Form: Wire
Material: Yttrium
CAS Number: 7440-65-5
Commodity: Metals
Purity: 99.9%
Yttrium wire is a high purity metal wire produced by Goodfellow for research and development applications. Available in 10 different variations , yttrium wire offers excellent corrosion resistance and high temperature strength. With a melting point of 1522°C, yttrium wire is commonly used in high temperature thermocouples and as a filament material in vacuum tubes. The high absorption cross-section of yttrium also makes it useful for dosimetry applications in the nuclear industry. Overall, Goodfellow's range of yttrium wire provides researchers with a versatile high purity metal wire for testing and development across a variety of industries.
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Tolerances

Wire
Diameter ±10%
Length +5% / -1%

Material Properties for Metals

Atomic Properties
Element Value
Atomic number 39
Crystal structure Hexagonal close packed
Electronic structure Kr 4d¹ 5s²
Valences shown 3
Atomic weight( amu ) 88.9059
Thermal neutron absorption cross-section( Barns ) 1.3
Photo-electric work function( eV ) 3.1
Atomic radius - Goldschmidt( nm ) 0.181
Ionisation potential( No./eV ) 1/ 6.38
Ionisation potential( No./eV ) Jun-93
Ionisation potential( No./eV ) 3/ 20.5
Ionisation potential( No./eV ) 2/ 12.2
Ionisation potential( No./eV ) May-77
Ionisation potential( No./eV ) 4/ 61.8
Mechanical Properties
Element Value
Hardness - Brinell 100-140
Hardness - Brinell 30-60
Material condition Soft
Material condition Hard
Poisson's ratio 0.265
Poisson's ratio 0.265
Bulk modulus( GPa ) 37.3
Bulk modulus( GPa ) 37.3
Tensile modulus( GPa ) 66.3
Tensile modulus( GPa ) 66.3
Izod toughness( J m⁻¹ ) 24
Tensile strength( MPa ) 130
Tensile strength( MPa ) 455
Yield strength( MPa ) 375
Yield strength( MPa ) 57
Electrical Properties
Element Value
Electrical resistivity( µOhmcm ) 53@20@20
Electrical resistivity( µOhmcm ) 53@20C
Temperature coefficient( K⁻¹ ) 0.00271@0-100
Temperature coefficient( K⁻¹ ) 0.00271@0-100C
Thermal emf against Pt (cold 0C - hot 100C)( mV ) 0.55
Physical Properties
Element Value
Boiling point( C ) 3338
Density( gcm⁻³ ) 4.478@20
Density( gcm⁻³ ) 4.478@20C
Thermal Properties
Element Value
Melting point( C ) 1522
Latent heat of evaporation( J g⁻¹ ) 4135
Latent heat of fusion( J g⁻¹ ) 193
Specific heat( J K⁻¹ kg⁻¹ ) 285@25
Specific heat( J K⁻¹ kg⁻¹ ) 285@25C
Thermal conductivity( W m⁻¹ K⁻¹ ) 17.2@0-100
Thermal conductivity( W m⁻¹ K⁻¹ ) 17.2@0-100C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) 10.8@0-400
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) 10.8@0-400C

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