Zirconiated tungsten is excellent for AC welding due to favorable retention of balled end, high resistance to contamination, and good arc starting
Designation | Composition | Color Mark | |||
Dioxide | Oxide Compound % | Impurities % | Tungsten % | ||
WZr3 | ZrO2 | 0.15-0.50 | ≤0.02 | Remainder | Brown |
WZr8 | ZrO2 | 0.70-0.90 | ≤0.02 | Remainder | White |