What Is Tungsten Heating Wire?

Tungsten heating wire is a filament made of pure tungsten or a tungsten alloy used as a heating element in electric heaters, vacuum equipment, and other applications. These filaments are often very thin and maintain their stability and strength at high temperatures, making them ideal for high-temperature heating applications. Here are some key features about tungsten heating wire:

High melting point: Tungsten has a very high melting point, approximately 3,422 degrees Celsius (6,192 degrees Fahrenheit), allowing tungsten heating wires to operate at extremely high temperatures without melting or deforming.

Electrical Conductivity: Although tungsten is a good conductor, due to its high melting point, tungsten heating wire is often used for purely resistive heating rather than conducting heat through an electric current.

Stability: Tungsten heating wire has excellent chemical stability at high temperatures and is not easily corroded by oxygen, water vapor or other gases in the atmosphere.

Rapid heating and cooling: Due to the relatively high thermal conductivity of tungsten heating wire, it is capable of rapid heating and cooling, making it suitable for applications requiring precise temperature control.

Long life: Due to its high temperature stability, tungsten heating wires generally have a long service life.