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Iridium (Ir)

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Properties

Electrical

Electrical resistivity ρel

4.7E-8 Ω·m 0

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General

Density ρ

22.4 g/cm³ at 20 °C

Mechanical

Elastic modulus E

560 GPa at -180 °C

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Elongation A

6 - 18 % at 20 °C

Hardness, Vickers HV

97 - 590 [-] at 20 °C

Tensile strength Rm

120 - 500 MPa at 20 °C

Yield strength Rp0.2 Rp0.2

44 - 130 MPa at 20 °C

Thermal

Coefficient of thermal expansion α

6.7E-6 1/K at 100 °C

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Melting point Tm

2447 - 2454 °C

Thermal conductivity λ

149 W/(m·K) at -73 °C

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Chemical properties

Element

Weight %

Comment

Ir

99.9 %

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.