Tungsten Electrode AWS Classification EWP Chemical Composition Pure Tungsten Color Green For Material Type Aluminum Magnesium Overall Diameter 0.04 in Overall Length 7 in Welding Current Designation AC Welding Processes TIG Welding (GTAW) Electrode Material Tungsten Features Easily Maintain a Clean Balled End Good Stability on AC Standards AWS A5.12 Weight 0.036 lb Package Quantity 3