This website uses cookies to improve service quality. You will find more information about cookies on the privacy policy page.


Ruthenium (Ru)




Electrical resistivity ρel

6.7E-8 Ω·m 0

Show chart


Density ρ

12.3 g/cm³ at 20 °C


Elastic modulus E

430 - 485 GPa at 20 °C

Elongation A

3 - 15 % at 20 °C

Hardness, Vickers HV

350 [-] at 20 °C

Tensile strength Rm

110 - 500 MPa at 20 °C

Yield strength Rp0.2 Rp0.2

190 - 380 MPa at 20 °C


Coefficient of thermal expansion α

5.9E-6 - 8.8E-6 1/K at 50 °C

Show chart

Melting point Tm

2310 °C

Thermal conductivity λ

140 - 180 W/(m·K) at -173 °C

Show chart

This material data has been provided by WIAM.

All metrics apply to room temperature unless otherwise stated. SI units used unless otherwise stated.
Equivalent standards are similar to one or more standards provided by the supplier. Some equivalent standards may be stricter whereas others may be outside the bounds of the original standard.