Ruthenium Rod

Ruthenium Rod combines high hardness, wear resistance, and superior corrosion resistance in a dense cylindrical form that offers excellent structural integrity under load. Its high melting point and stability in aggressive chemical environments make it suitable for precision mechanical components, electrical contacts, and high-temperature probes. Industries such as electronics, aerospace, and chemical processing utilize ruthenium rods for spark plug electrodes, wear-resistant pins, and structural parts in corrosive or high-heat systems. Research uses include long-term electrochemical testing, tribological performance studies, and fabrication of advanced alloy prototypes. The rod form allows for precise machining and integration into systems where durability, conductivity, and chemical inertness are critical. Its combination of mechanical robustness and functional versatility ensures a vital role in both industrial manufacturing and advanced materials research.

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Tolerance

Properties

Reference & Citations

each

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