Pure Tungsten
Tungsten, also referred to as Wolfram, is a chemical element with the chemical symbol W and atomic number 74. After Carbon, Tungsten has the highest melting point of all elements. Tungsten is among the heaviest metals found on Earth. It has excellent high temperature mechanical properties, with the lowest expansion coefficient and highest conductivity of all metals.
Properties of Pure Tungsten
| Melting Temperature | Maximum Use Temperature | Tensile Strength | Material Density | Modulus of Elasticity |
|---|---|---|---|---|
| 3410 °C | 1700 °C | High | High | High |
| Thermal Conductivity | Vapor Pressure | Thermal Expansion | Electrical Resistance | |
| 31 @20 °C %IACS | Temperatures above 1,650 °C, | 4.6 ppm / °C | 5.6 @20 °C µ ohm-cm |
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