Commom tungsten elcetrodes
2% lanthanated tungsten electrode (WL20)
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Detail
| Trade mark | Added impurity | Impurity quantity | Other impurities | Tungsten | Electric discharged power | Color sign |
| WL20 | La2O3 | 1.80 - 2.20% | <0.20% | The rest | 2.8 - 3.2 | Sky blue |
Characteristic:
◆ Good ductility
◆ Good electronic work function
◆ Higher recrystallization temperature
◆ Good cutting ability
◆ DC
◆ Carbon steal, stainless steel, nickel alloy and titanium alloy suitable