WT20 welding electrode, various chemical constituents of tungsten alloy rod, or upon request of electrode for annealing. WT20 welding electrodedia1.0x175/150mm, dia1.6x175/150mm, dia2.4x175/150mm, dia3.0x175/150mm, dia3.2x175/150mm, dia4.0x175/150mm etc Place of OriginHenan, China (Mainland)Brand NamezzstcModel NumberWT20,PW20,WC10,WC20,WT10,WT20,WZ8,WL10,WL15,WL20,WY20ApplicationTIG ...