31GH50 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 0.0625 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 0.21 lb, Package Quantity 10