Lanthanated-Tungsten electrode

Lanthanated-Tungsten electrode

Mainly substitute for radioactive thoriated tungsten electrode.

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Type Oxide addition Dopant Impurities W Electric work function Color
HWLa10 La2O3 0.8%-1.2% <0.05% Balance 2.8eV-3.2eV Black Black  
HWLa15 La2O3 1.3%-1.7% <0.05% Balance 2.8eV-3.0eV Golden Golden  
HWLa20 La2O3 1.8%-2.2% <0.05% Balance 2.6eV-2.7eV Sky Blue Sky Blue  
Properties & Characteristic Lanthanted tungsten electrode, which is similar to thoriated tungsten electrode with the characters of on-radioactive,excellent electric conductivity and welding performance, high carryinh capability, minimum ratio of burnt area, can be substituted for thoriated tungsten electrode, mainly used for DC welding.
Application Mainly substitute for radioactive thoriated tungsten electrode.