Tungsten Electrode AWS Classification EWTh-2 Chemical Composition Thoriated Color Red For Material Type Copper Nickel Stainless Steel Titanium Overall Diameter 0.15625 in Overall Length 7 in Welding Current Designation AC/DC Welding Processes TIG Welding (GTAW) Electrode Material Tungsten Features Extremely Long Lasting and Highly Durable Standards AWS A5.12 Weight 0.99 lb Package Quantity 10