Tungsten Electrode AWS Classification EWP Chemical Composition Pure Tungsten Color Green For Material Type Aluminum Magnesium Overall Diameter 1/8 in Overall Length 7 in Welding Current Designation AC Welding Processes TIG Welding (GTAW) Electrode Material Tungsten Features Contains a Minimum of 99.5 Percent Wt- Percent Tungsten Tip will Form a Clean Balled End That Provides Good Arc Stability on AC Package Quantity 10