Tungsten Electrode
Grade: WL10, WL15, WL20, WCe20, WT20, WY20
Dimension: Dia1.0-10*L150 or 175(mm)
Pure tungsten electrodes,
Grade: WP
Lanthanum tungsten electrodes
Grade: WL10, WL15, WL20,
Thoriated tungsten electrodes,
Grade: WT20
Yttrium tungsten electrodes,
Grade: WT20
Cerium Tungsten electrodes,
Grade: WCe20
| Trademark |
Added impurity |
Impurity quantity |
Other impurities |
Tungsten |
Electric discharged power |
color sign |
| WT20 |
ThO2 |
1.7-2.2 |
< 0.20 |
The rest |
2.0-3.0 |
Red |
| WP |
--- |
--- |
< 0.20 |
The rest |
4.5 |
Green |
| WL10 |
La2O3 |
0.8-1.2 |
< 0.20 |
The rest |
2.6-2.7 |
Black |
| WL15 |
La2O3 |
1.3-1.7 |
< 0.20 |
The rest |
2.8-3.0 |
Goldyellow |
| WL20 |
La2O3 |
1.8-2.2 |
< 0.20 |
The rest |
2.8-3.2 |
Skyblue |
| WC20 |
CeO2 |
1.80-2.20 |
< 0.20 |
The rest |
2.7-2.8 |
Gray |
| WY20 |
YO2 |
1.8-2.2 |
< 0.20 |
The rest |
2.0-3.9 |
Blue |
| WZ8 |
ZrO2 |
0.7-0.9 |
< 0.20 |
The rest |
2.5-3.0 |
White |
Audited Supplier 
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