Tungsten Wire

 

ZhenAn Tungsten Wire Manufacturer

 

 

 

Tungsten wire is mainly used in electric light sources such as incandescent lamps and tungsten halogen lamps.

 

Tungsten wire is generally drawn from various drawing dies. The main use is to manufacture filaments and high-speed cutting alloy steel, and is also used in optical instruments, chemical instruments, etc.

 

ZhenAn Tungsten Wire

 

The performance of tungsten wire includes high temperature performance, room temperature performance and wire diameter consistency.

 

 

 

In addition to a small amount of Fired Wire Tungsten Wire filaments being used as heating materials for high-temperature furnaces, heaters for electron tubes, and reinforcing ribs for composite materials, most of them are used to make filaments for various incandescent lamps and tungsten halogen lamps and electrodes for gas discharge lamps.

 

ZhenAn Fired Wire Tungsten Wire

 

For the PFA-Coated Tungsten Wire or tungsten rod used as the cathode of a gas discharge lamp, in order to reduce its electron escape work, 0.5 to 3% thorium must be added, which is called tungsten thorium wire. Since thorium is a radioactive element that pollutes the environment, cerium is used to replace thorium to make tungsten-cerium wire or tungsten-cerium rod.

However, the evaporation rate of cerium is high, so tungsten-cerium wire or tungsten-cerium rod can only be used in low-power gas discharge lamps.

 

 

 

Trademark	Tungsten Content	Impurity Element Content
		Total Content	Content Of Each Element
WAL1,WAL2	≥99.95%	≤0.05%	≤0.01%
W1	≥99.95%	≤0.05%	≤0.01%
W2	≥99.92%	≤0.08%	≤0.01%

 

 

 

 

 

ZhenAn Tungsten Wire Customers Took A Group Photo

 

 

Tungsten Wire Customers Come To ZhenAn To Discuss Cooperation

 

 

 

Once 202 - 500 M Doped Tungsten Wire recrystallizes after being used at high temperatures, it becomes very brittle and can easily break under impact or vibration.

In some electric light source products that require high reliability, in order to prevent the filament from breaking, 3 to 5% rhenium is often added to the doped tungsten filament, called tungsten-rhenium filament, which can reduce the brittle transition temperature of tungsten to Room temperature or below.

This is a very peculiar rhenium effect. So far, no element has been found that can replace rhenium and produce the same effect in tungsten.

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