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产品名称:WL20 2% lanthanated tungsten electrodes for Tig Welding
Type:WL20
Dioxide:La2O3
Dioxide in(%):1.80-2.20
Impurities(%):<0.20
Color mark:Blue
Diameter:1.0mm--12.0mm
Length:150mm&175mm

WL20 2% Lanthanated tungsten electrodes (AWS classification EWLa-2), which contain a minimum of 97.80% tungsten, 1.80 to2.20% lanthanum, has been the most popular alternative to 2% thoriated tungsten electrode for most applications in American ,Europen countries and Japan. It can be used for both AC and DC welding with both inverter and transformer power sources. this tungsten electrodes have much longer life than 2% thoriated tungsten electrodes if not overloaded and better arc starting.

 

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

Blue

 

 

 

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