Thoriated-Tungsten Electrode

Thoriated-Tungsten Electrode

Mainly applied for carbon steel, stainless steel, nickle alloy, etc.

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Type Oxide addition Dopant Impurities W Electric work function Color
HWTh10 ThO2 0.9%-1.2% <0.05% Balance 2.0eV-3.9eV Yellow Yellow  
HWTh20 ThO2 1.8%-2.2% <0.05% Balance 2.0eV-3.9eV Red Red  
HWTh30 ThO2 2.8%-3.2% <0.05% Balance 2.0eV-3.9eV Purple Purple  
HWTh40 ThO2 3.8%-4.2% <0.05% Balance 2.0eV-3.9eV Orange Orange  
Properties & Characteristic Radioactive. Compared with pure tungsten electrodes and others, its welding perfomance is more excellent, with the advantages of easy operating, stable electric arc, long-life,ect.
Application Mainly applied for carbon steel, stainless steel, nickle alloy, etc.