Tungsten Electrode AWS Classification EWLa-1.5 Chemical Composition 1.5 Percent Lanthanated Color Gold For Material Type Copper Nickel Stainless Steel Titanium Overall Diameter 0.1875 in Overall Length 7 in Welding Current Designation AC/DC Welding Processes TIG Welding (GTAW) Electrode Material Tungsten Features Enhanced Arc Starting and Stability Extended Operating Current Range Reduced Tip Erosion Rate Standards AWS A5.12 Weight 0.19 lb Package Quantity 3