High-Temperature Tungsten Ground Rod for Superior Stability
Tungsten has the highest melting point of all metals and is therefore also suitable for very high-temperature applications. It is also characterized by a uniquely low coefficient of thermal expansion and a very high level of dimensional stability.
Properties
General
| Property | Temperature | Value |
|---|---|---|
Density | 23.0 °C | 19.1 g/cm³ |
Neutron capture cross-section | 23.0 °C | 0 m² |
Surface roughness | 1 μm |
Dimension
| Property | Value |
|---|---|
Diameter | 2 - 25.4 mm |
Length | 300 - 2900 mm |
Dimensions | Available dimensions (diameter x length, mm x mm): 2 x 500-2900; 2.54 x 500-2900; 3 x 500-2900; 3.175 x 500-2900; 4 x 500-2300; 4.75 x 500-2400; 5 x 500-2400; 6 x 500-2400; 6.35 x 500-2400; 8 x 500-2000; 10 x 500-2700; 12 x 300-1800; 12.7 x 300-1600; 14 x 300-1300; 16 x 300-1600; 18 x 300-2200; 19.05 x 300-1800; 20 x 300-1700; 25 x 300-2400; 25.4 x 300-2300 |
Thermal
| Property | Value |
|---|---|
Melting point | 3420 °C |
Electrical
| Property | Temperature | Value |
|---|---|---|
Electron work function | 23.0 °C | 4.54 eV |
Acoustical
| Property | Temperature | Value |
|---|---|---|
Sound speed, longitudinal | 23.0 °C | 5180 m/s |
Sound speed, transversal | 23.0 °C | 2870 m/s |
Chemical properties
| Property | Value |
|---|---|
Aluminium | 1E-4 % |
Cadmium | 1E-4 % |
Carbon | 6E-4 % |
Chromium | 3E-4 % |
Copper | 1E-4 % |
Iron | 8E-4 % |
Lead | 1E-4 % |
Molybdenum | 1.2E-3 % |
Nickel | 2E-4 % |
Nitrogen | 1E-4 % |
Oxygen | 2E-4 % |
Potassium | 1E-4 % |
Silicon | 1E-4 % |
Tungsten | 99.97 % |
Technological properties
| Property | ||
|---|---|---|
| Application areas | Tungsten rods are mainly used in the lighting industry and high temperature furnace construction. | |
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