Technical Data Sheet
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Iridium Rod

Iridium Rods are part of our extensive range of advanced rods and come in 39 variations. They showcase the extreme hardness, strength and corrosion resistance of iridium metal. These properties make Iridium Rods ideal for applications such as electrodes, crucibles and other high-temperature chemical equipment. Their corrosion resistance also makes them suitable for chemical processing equipment like pipes and valves, as well as biomedical devices. With their unique properties, our Iridium Rods enable advanced applications across industries.
Formula: Ir
Percentage Purity: 99.9%
Diameter: 1.25mm
Length: 20mm
Temper: As Drawn
CAS Number: 7439-88-5
UOM Code: 831-118-80
SKU: 1000125123
Product Code: IR00-RD-000115

Tolerances

Rod
Diameter =<10mm ±10%
Diameter >10mm ±5%
No Minimum order Despatch of products in stock within 48 hours Free technical support *Free delivery worldwide
£842.03
each
  • Buy 5 for £682.05 each and save 19%
  • Buy 10 for £623.10 each and save 26%

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may apply for some hazardous materials.

Tolerances

Rod
Diameter =<10mm ±10%
Diameter >10mm ±5%
Technical Data Sheet
Safety Data Sheet

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Material Properties for Precious Metals

Atomic Properties
Element Value
Atomic number 77
Crystal structure Face centred cubic
Electronic structure Xe 4f¹⁴ 5d⁷ 6s²
Valences shown 3, 4
Atomic weight( amu ) 192.22
Thermal neutron absorption cross-section( Barns ) 425
Photo-electric work function( eV ) 4.6
Natural isotope distribution( Mass No./% ) 191/ 37.3
Natural isotope distribution( Mass No./% ) 193/ 62.7
Atomic radius - Goldschmidt( nm ) 0.135
Mechanical Properties
Element Value
Material condition Soft
Material condition Hard
Poisson's ratio 0.26
Poisson's ratio 0.26
Bulk modulus( GPa ) 371
Bulk modulus( GPa ) 371
Tensile modulus( GPa ) 528
Tensile modulus( GPa ) 528
Hardness - Vickers( kgf mm⁻² ) 650
Hardness - Vickers( kgf mm⁻² ) 200-300
Tensile strength( MPa ) 550-1100
Tensile strength( MPa ) 1200
Electrical Properties
Element Value
Electrical resistivity( µOhmcm ) 5.1@20@20°C
Superconductivity critical temperature( K ) 0.11
Temperature coefficient( K⁻¹ ) 0.0045@0-100°C
Thermal emf against Pt (cold 0C - hot 100C)( mV ) 0.65
Physical Properties
Element Value
Boiling point( C ) 4130
Density( gcm⁻³ ) 22.4@20°C
Thermal Properties
Element Value
Melting point( C ) 2410
Latent heat of evaporation( J g⁻¹ ) 3186
Latent heat of fusion( J g⁻¹ ) 135
Specific heat( J K⁻¹ kg⁻¹ ) 133@25°C
Thermal conductivity( W m⁻¹ K⁻¹ ) 147@0-100°C
Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) 6.8@0-100°C
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