What Is the Coefficient of Thermal Expansion of Tungsten Carbide Needles?

The coefficient of thermal expansion of tungsten carbide needles varies slightly with temperature. Generally, at room temperature, the linear expansion coefficient of tungsten carbide is 4.5×10^-6/K, and there are some variants with higher or lower coefficient. This property is especially important in some high-temperature applications because it helps avoid unwanted effects due to temperature changes.

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