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Formula: Ru
Form: Rod
Material: Ruthenium
CAS Number: 7440-18-8
Commodity: Precious Metals
Purity:
99.9%
Ruthenium is a rare transition metal with high hardness and excellent corrosion resistance. Thanks to these properties, Ruthenium Rods are valued for their durability and are ideal for applications like electrodes, thermocouples and sputtering targets. We offer Ruthenium Rods in multiple diameters and lengths, with 6 variations to choose from. Our range of options allows you to select the best size and style of rods for your specific application.
Tolerances
Rod
| Diameter | =<10mm | ±10% |
|---|---|---|
| Diameter | >10mm | ±5% |
Material Properties for Precious Metals
Atomic Properties
| Element | Value |
|---|---|
| Atomic number | 44 |
| Crystal structure | Hexagonal close packed |
| Electronic structure | Kr 4d⁷ 5s¹ |
| Valences shown | 0,1,2,3,4,5,6,7,8 |
| Atomic weight( amu ) | 101.07 |
| Thermal neutron absorption cross-section( Barns ) | 3 |
| Photo-electric work function( eV ) | 4.71 |
| Natural isotope distribution( Mass No./% ) | 99/ 12.7 |
| Natural isotope distribution( Mass No./% ) | 96/ 5.5 |
| Natural isotope distribution( Mass No./% ) | 104/ 18.6 |
| Natural isotope distribution( Mass No./% ) | 98/ 1.9 |
| Natural isotope distribution( Mass No./% ) | 101/ 17.1 |
| Natural isotope distribution( Mass No./% ) | 100/ 12.6 |
| Natural isotope distribution( Mass No./% ) | 102/ 31.6 |
| Atomic radius - Goldschmidt( nm ) | 0.134 |
| Ionisation potential( No./eV ) | 2/ 16.8 |
| Ionisation potential( No./eV ) | 3/ 28.5 |
| Ionisation potential( No./eV ) | 1/ 7.36 |
Mechanical Properties
| Element | Value |
|---|---|
| Material condition | Hard |
| Material condition | Soft |
| Poisson's ratio | 0.25 |
| Poisson's ratio | 0.25 |
| Bulk modulus( GPa ) | 286 |
| Bulk modulus( GPa ) | 286 |
| Tensile modulus( GPa ) | 432 |
| Tensile modulus( GPa ) | 432 |
| Hardness - Vickers( kgf mm⁻² ) | 750 |
| Hardness - Vickers( kgf mm⁻² ) | 350 |
| Tensile strength( MPa ) | 495 |
| Yield strength( MPa ) | 372 |
Electrical Properties
| Element | Value |
|---|---|
| Electrical resistivity( µOhmcm ) | 7.7@20@20°C |
| Superconductivity critical temperature( K ) | 0.49 |
| Temperature coefficient( K⁻¹ ) | 0.0041@0-100 |
Physical Properties
| Element | Value |
|---|---|
| Boiling point( C ) | 3900 |
| Density( gcm⁻³ ) | 12.2@20 |
Thermal Properties
| Element | Value |
|---|---|
| Melting point( C ) | 2310 |
| Latent heat of evaporation( J g⁻¹ ) | 5610 |
| Latent heat of fusion( J g⁻¹ ) | 252 |
| Specific heat( J K⁻¹ kg⁻¹ ) | 238@20°C |
| Thermal conductivity( W m⁻¹ K⁻¹ ) | 117@0-100°C |
| Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) | 9.6@0-100°C |