Zirconiated tungsten electrode
Can not be replaced by any other electrodes in terms of its excellent perferemce.
Retains a ball end when welding, which esults in less tungsten permeation and good corrosion resistance
|
Model
|
Added impurity
|
Impurity quantity%
|
Other impurities
|
Tungsten %
|
Electric discharged power
|
Color
|
|
WZ3
|
ZrO2
|
0.2-0.4
|
＜0.20
|
The rest
|
2.5-3.0
|
Brown
|
|
WZ8
|
ZrO2
|
0.7-0.9
|
＜0.20
|
The rest
|
2.5-3.0
|
White
|
