Zirconium Tungsten Electrode
- Details
- Category: Tungsten Information
- Published on Thursday, 13 August 2015 17:38
Zirconium tungsten electrode is only for AC welding environment, whose performance is the same as pure tungsten electrode.
In AC conditions, zirconium tungsten electrode has good weld ability; especially in the current relatively high load conditions, zirconium tungsten electrode owns superior performance and the other electrode is irreplaceable. When zirconium tungsten electrode is used in welding, thanks to its good corrosion resistance, its end portion can maintain the spherical, so as to be able to reduce the occurrence of bleeding effect of tungsten.
Because with the ongoing research, people gradually discovered other kind of electrode material containing other ingredients, so the emergence of other alternative products led to the demand of zirconium tungsten electrode decrease.
Zirconium tungsten electrode (added zirconia in tungsten- ZrO2) standard grade
|
Grade |
Color sign |
Other impurities % |
Tungsten% |
Dopant |
Doping content% |
Electronic work function / eV |
|
WZ3 |
Brown |
<0.20 |
The rest |
ZrO2 |
0.20~0.40 |
2.5~3.0 |
|
WZ8 |
White |
0.70~0.90 |
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