Primary standard name
Equivalent standard names
Chemical composition
Element
Weight %
Comment
99.97 %
min
Element
Weight %
Comment
99.95 %
min
Element
Weight %
Comment
99.97 %
0.02 %
1.3000000000000002E-3 %
6.000000000000001E-4 %
6.000000000000001E-4 %
Element
Weight %
Comment
Element
Weight %
Comment
55.1 %
34.5 %
9 %
Material Information
Application areas
Common applications of Rhenium: Mass spectrometer filaments, grid heaters, cathode cups, nuclear re
Common applications of Tungsten: Lamp filaments, high temperature furnaces, welding electrodes
Molybdenum can be used, for example, to produce ribbons and wires for the lighting industry, semicon
Tantalum's corrosion resistance makes it a valuable material in a large number of chemical applicati
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Acoustical
Sound speed, transversal, ctrans
-
-
3350 m/s at 23 °C
2900 m/s at 23 °C
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Sound speed, longitudinal, clong
-
-
6250 m/s at 23 °C
4100 m/s at 23 °C
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Mechanical
Elastic modulus, E
483 GPa at 20 °C
400 GPa at 20 °C
320 GPa at 23 °C
186 GPa at 23 °C
74 - 81 GPa at 23 °C
Shear modulus, G
-
-
-
-
26 GPa at 23 °C
Hardness, Vickers, HV
-
460 [-] at 20 °C
-
-
-
Hardness, Vickers, 5, HV 5
-
-
-
-
260 [-] at 20 °C
Poisson's ratio, ν
-
-
0.31 [-] at 23 °C
0.35 [-] at 23 °C
0.42 [-] at 23 °C
Tensile strength, Rm
1380 MPa at 20 °C
1725 MPa at 20 °C
-
-
-
Hardness, Vickers, 10, HV 10
-
-
160 - 180 [-] at 23 °C
80 - 125 [-] at 23 °C
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Yield strength Rp0.2, Rp0.2
-
-
-
-
620 MPa at 20 °C
Elongation, A
2 % at 20 °C
-
-
-
-
General
Neutron capture cross-section, σN
-
-
0 m² at 23 °C
0 m² at 23 °C
-
Molar mass, M
-
-
95.94 g/mol
180.95 g/mol
-
Density, ρ
21.2 g/cm³ at 20 °C
19.3 g/cm³ at 20 °C
10.2 g/cm³ at 23 °C
16.6 g/cm³ at 23 °C
19.3 g/cm³ at 23 °C
Electrical
Electrical conductivity, σel
-
-
1.79E+7 S/m at 23 °C
8.00E+6 S/m at 23 °C
-
Electron work function, We
-
-
4.39 eV at 23 °C
4.3 eV at 23 °C
-
Superconductive transition temperature, Tsuper
-
-
-
-268.65 °C
-
Electrical resistivity, ρel
1.35E-7 Ω·m at 20 °C
5.28E-8 Ω·m at 20 °C
5.6E-8 Ω·m at 23 °C
1.3E-7 Ω·m at 23 °C
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Thermal
Coefficient of thermal expansion, α
6.8E-6 1/K at 20 °C
4.2E-6 1/K at 20 °C
5.2E-6 1/K at 23 °C
6.4E-6 1/K at 23 °C
1.4E-5 1/K at 600 °C
Boiling point, Tb
-
-
4639 °C
5458 °C
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Specific heat capacity, cp
138 J/(kg·K) at 20 °C
134 J/(kg·K) at 20 °C
254 J/(kg·K) at 23 °C
140 J/(kg·K) at 23 °C
126 - 138 J/(kg·K) at 23 °C
Crystallization temperature, Tx
-
-
-
900 - 1450 °C
-
Thermal conductivity, λ
48 W/(m·K) at 20 °C
173 W/(m·K) at 20 °C
142 W/(m·K) at 23 °C
57.5 W/(m·K) at 23 °C
292 - 316 W/(m·K) at 23 °C
Melting point, Tm
3180 °C
3420 °C
2620 °C
2996 °C
1064 °C