Yttrium Tungsten Electrode Applications and Features

Yttrium tungsten electrode is a new type of non-radioactive tungsten electrode material , mainly used in inert gas welding and plasma welding, cutting , painting, smelting , and gas discharge light sources and other industries. Yttrium Tungsten Electrode Product main feature is non-radioactive, humans and the environment without any pollution, low electron work function . In an inert gas welding , easy arc starting , stable arc, arc repeatedly with high reliability , eliminating the use of cerium tungsten electrode welding seam black lines appearing on the sides . The Harbin Welding Institute tests , yttrium tungsten electrode life than about 1 times more cerium tungsten , because long service life , reducing the electrode grinding dust generated when heavy harm to human body . Optical flow of the gas discharge , the electrode sputtering low activation conditions than thorium tungsten electrode width and easy handling , low voltage lighting fire , resistance to ion bombardment high-performance, operating voltage and arc stability, life doubled. The main technical indicators: yttria content of 0.8-22 %, respectively.

Yttrium tungsten electrode welding, arc beam slender, compression large, medium and high current penetration is relatively large when it is mainly used in military industry and the aerospace industry.

Zirconia doped tungsten , zirconium production of tungsten electrodes . Specific data is as follows :

Other Grades of dopant Doping Doping electron work function color Coating head
                      WY                 YO2          1.80 ~ 2.20%      <0.20% 2.0 ~ 3.9      blue


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