China Arc Welding Tungsten Electrode Used Wl20 1.6mm*150mm, Find details about China 1.6mm*150mm Wl20 Tungsten Welding Electrodes, Wl20 Tungsten Welding Electrodes from Arc Welding Tungsten Electrode Used Wl20 1.6mm*150mm
Type | Oxide Added | Oxide % | Other impurity % | Tungsten | Tip Color |
WL15 | La2O3 | 1.3~1.7 | 0.2 | Balance | gold |
WL20 | La2O3 | 1.8~2.2 | 0.2 | Balance | blue |