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WLa (Lanthanum-Tungsten Electrode)
Detail

WLa (Lanthanum-Tungsten Electrode)

Lanthanum -Tungsten Electrode is well known for its good welding performance .It is the electrode added with 1-2% of La2O3.The power of its electronic transgression is   2.7-2.8ev ,bearing the closest features to those of the   Thorium - Tungsten Electrode. Its arc features and burn spoilage endurance used with small and medium currents.
   Lanthanum-Tungsten Electrode is the substitution product of thorium-tungsten electrode because of its non-radiation. Its other advantage is its endurance of high current and low burn spoilage rate.


Model

Intermingled materials


Intermingled
Quantity%

%Other Intermingled
Quantity%


Tungsten


Color standard

WL10

La2O3

0.80-1.20

<0.20

Remainder


Black

WL15

La2O3

1.30-1.70

<0.20

Remainder


Golden

WL20

La2O3

1.80-2.20

<0.20

Remainder


Sky blue


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