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