Iridium (Ir)

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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.

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Properties

Electrical

PropertyTemperatureValue

Electrical resistivity

0.0 °C

4.7E-8 Ω·m

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20.0 °C

4.9E-8 Ω·m

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General

PropertyTemperatureValue

Density

20.0 °C

22.4 g/cm³

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Mechanical

PropertyTemperatureValue

Elastic modulus

-180.0 °C

560 GPa

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20.0 °C

528 - 538 GPa

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200.0 °C

520 GPa

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400.0 °C

499 GPa

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500.0 °C

488 GPa

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600.0 °C

478 GPa

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800.0 °C

456 GPa

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900.0 °C

445 GPa

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1000.0 °C

434 GPa

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Elongation

20.0 °C

6 - 18 %

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Hardness, Vickers

20.0 °C

97 - 590 [-]

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Tensile strength

20.0 °C

120 - 500 MPa

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Yield strength Rp0.2

20.0 °C

44 - 130 MPa

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Thermal

PropertyTemperatureValue

Coefficient of thermal expansion

100.0 °C

6.7E-6 1/K

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300.0 °C

7.1E-6 1/K

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900.0 °C

7.8E-6 1/K

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1000.0 °C

7.9E-6 1/K

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1100.0 °C

8E-6 1/K

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1200.0 °C

8.1E-6 1/K

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1300.0 °C

8.2E-6 1/K

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1400.0 °C

8.4E-6 1/K

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1500.0 °C

8.5E-6 1/K

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1600.0 °C

9.2E-6 1/K

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Melting point

2447 - 2454 °C

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Thermal conductivity

-73.0 °C

149 W/(m·K)

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0.0 °C

147 W/(m·K)

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20.0 °C

59 W/(m·K)

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127.0 °C

136 W/(m·K)

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327.0 °C

130 W/(m·K)

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527.0 °C

125 W/(m·K)

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727.0 °C

121 W/(m·K)

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927.0 °C

117 W/(m·K)

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1127.0 °C

110 W/(m·K)

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1327.0 °C

106 W/(m·K)

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1527.0 °C

103 W/(m·K)

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Chemical properties

PropertyValue

Iridium

99.9 %

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