The thermal conductivity of tungsten carbide needles is about 60-120 W/(m·K), and the specific value depends on factors such as the content of tungsten in the tungsten steel, the content of other alloying elements, and the processing technology. Compared with other metal materials, tungsten steel has a relatively low thermal conductivity, but it can still be used in some high-temperature applications. It should be noted that as the temperature increases, the thermal conductivity of tungsten steel will gradually decrease.
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