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Rhenium

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Description

Among the highest density element and melting point, rhenium does not have a ductile to brittle transition temperature and does not form carbides. With high resistivity, combined with low vapor pressure, it is an ideal material for filament applications. Excellent resistance to corrosion, resists acid attack and the mechanical effects of electrical erosion. Rhenium has a beneficial effect as an alloying addition with other refractory metals as it greatly enhances the ductility and tensile strength of these alloys.

Related Standards

Equivalent Materials

Ashby charts

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Properties

General

Density

ρ

21.2 g/cm³ at 20 °C

Mechanical

Elastic modulus

E

483 GPa at 20 °C

Show Rhenium materials with Elastic modulus of 483 GPa at 20 °C

Elongation

A

2 % at 20 °C

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in 1 in.

Tensile strength

Rm

1380 MPa at 20 °C

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Thermal

Coefficient of thermal expansion

α

6.8E-6 1/K at 20 °C

Melting point

Tm

3180 °C

Specific heat capacity

cp

138 J/(kg·K) at 20 °C

Thermal conductivity

λ

48 W/(m·K) at 20 °C

Electrical

Electrical resistivity

ρel

1.35E-7 Ω·m at 20 °C

Chemical properties

Element

Weight %

Comment

Re

99.97 %

min

Technological properties

Application areas

Common applications of Rhenium: Mass spectrometer filaments, grid heaters, cathode cups, nuclear reactors, thermocouples

This material data has been provided by Matmatch.

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.