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You are here: Home » News » Applications » The property of Lanthanum-Tungsten Electrode

The property of Lanthanum-Tungsten Electrode

Views:17     Author:Site Editor     Publish Time: 2017-04-11      Origin:Site

The Lanthanated tungsten electrode is European countries introduced in the eighty s hope replace thorium tungsten products improved varieties, once launched, with its excellent welding performance attention and is very popular in international welding area. Its characteristic is the most nearly 2% thorium-tungsten electrode conductivity, endurance of high current and low burn spoilage rate.

The most common lanthanum tungsten electrode contains 2 percent lanthanum (La203), known as lanthanum oxide.Lanthanum tungsten electrode is the most commonly used to replace thorium tungsten electrode in most applications.There are 2% lanthanum oxide, 1.5% of lanthanum oxide and 1% of lanthanum oxide.

Lanthanum oxide has the lowest electron escape work, the easiest of the arc, the lowest point temperature, which can help prevent grain growth and improve service life.


  • Life expectancy is longer than thorium tungsten electrode

  • Thermal shock

  • Good welding

  • Avoid contamination

  • The site left an easy arc


Model
Added
Impurity
Impurity
quantity%
Tungsten%
Electric
discharged
power
Color
sign
Welding material
WL10
La2O3
0.8-1.2
The rest
2.8-3.2
Black ■
碳钢
不锈钢

WL15
La2O3
1.3-1.7
The rest
2.8-3.0
Golden Yellow
WL20
La2O3
1.8-2.2
The rest
2.6-2.7
Sky blue



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