Technical Data Sheet
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Hafnium > 0.2% Zirconium Pellets

Hafnium > 0.2% Zirconium Pellets are a versatile product offering from Goodfellow's range of pellets. Containing over 99.8% zirconium with a small amount of hafnium, they exhibit high density, strength, and refractory properties. With extremely high melting points, these pellets are ideally suited for applications like control rods and shielding in nuclear reactors. They also find use in plasma cutting electrodes and other high-temperature applications up to 2500°C. As part of Goodfellow's diverse pellet selection, Hafnium > 0.2% Zirconium Pellets enable customization for specialized research and industrial needs.
Maximum Lump Size: 4mm
Type: Nominally 3mm diameter x 3mm length
Weight: 500g
Technical Name: Zirconium
Grade: Hafnium > 0.2%
Formula: Zr
Percentage Purity: 99.2%
Density: 6.489g/cm³
CAS Number: 7440-67-7
UOM Code: 590-748-80
SKU: 1000200196
Product Code: ZR00-LP-000150

Tolerances

Pellets
Maximum Lump Size Nominal
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Tolerances

Pellets
Maximum Lump Size Nominal
Technical Data Sheet
Safety Data Sheet

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Material Properties for Metals

Atomic Properties
Element Value
Atomic number 40
Crystal structure Hexagonal close packed
Electronic structure Kr 4d² 5s²
Valences shown 2,3,4
Atomic weight( amu ) 91.22
Thermal neutron absorption cross-section( Barns ) 0.182
Photo-electric work function( eV ) 3.8
Natural isotope distribution( Mass No./% ) 96/ 2.8
Natural isotope distribution( Mass No./% ) 92/ 17.1
Natural isotope distribution( Mass No./% ) 91/ 11.2
Natural isotope distribution( Mass No./% ) 94/ 17.5
Natural isotope distribution( Mass No./% ) 90/ 51.4
Atomic radius - Goldschmidt( nm ) 0.16
Ionisation potential( No./eV ) 4/ 34.34
Ionisation potential( No./eV ) Jun-99
Ionisation potential( No./eV ) 2/ 13.13
Ionisation potential( No./eV ) 1/ 6.84
Ionisation potential( No./eV ) 5/ 81.5
Ionisation potential( No./eV ) 3/ 22.99
Mechanical Properties
Element Value
Material condition Polycrystalline
Material condition Soft
Poisson's ratio 0.38
Poisson's ratio 0.38
Bulk modulus( GPa ) 89.8
Bulk modulus( GPa ) 89.8
Tensile modulus( GPa ) 98
Tensile modulus( GPa ) 98
Hardness - Vickers( kgf mm⁻² ) 85-100
Tensile strength( MPa ) 350-390
Yield strength( MPa ) 250-310
Electrical Properties
Element Value
Electrical resistivity( µOhmcm ) 44@20@20°C
Superconductivity critical temperature( K ) 0.61
Temperature coefficient( K⁻¹ ) 0.0044@0-100°C
Thermal emf against Pt (cold 0C - hot 100C)( mV ) 1.17
Physical Properties
Element Value
Boiling point( C ) 4377
Density( gcm⁻³ ) 6.49@20°C
Thermal Properties
Element Value
Melting point( C ) 1852
Latent heat of evaporation( J g⁻¹ ) 6360
Latent heat of fusion( J g⁻¹ ) 211
Specific heat( J K⁻¹ kg⁻¹ ) 281@25°C
Thermal conductivity( W m⁻¹ K⁻¹ ) 22.7@0-100°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) 5.9@0-100°C
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