Commom tungsten elcetrodes
Detail
| Trade mark | Added impurity | Impurity quantity | Other impurities | Tungsten | Electric discharged power | Color sign |
| WP | -- | -- | <0.20% | The rest | 4.5 | Green |
Characteristic:
◆ Low vapor pressure
◆ Low current resistance
◆ Good (electrical) conductivity
◆ High elastic modulus
◆ Low thermal expansion
◆ AC
◆ Magnesium, aluminum and alloy suitable