Welding tungsten electrode of WT20, WC20, WL10, WL15,WL20 , WP ,WZR3, WZR8. Diameter ;1.0-12.0mm Length : 150mm ,175mm Tungsten Electrode: WT20,WC20, WP ... ) Quality of surface: polish annealed, or ground annealed6) Applications: TIG welding and plasma welding, cutting, spray-coating and smelting high quality welding electrode