Welding electrodes, various chemical constituents of tungsten alloy rod, or upon request of electrode for annealing. Place ... cartonsDelivery Detail:7-30 daysSpecificationsWelding electrodes, various chemical constituents of tungsten alloy rod, or upon request of electrode for annealing.Welding ... .4;LENGTH150,175Chemical CompositionWTh,WCe,WLa,WP,WZ,WY WT20 thoriated tungsten electrode