TIG Welding Rods AWS Classification ER90S-B3 Material Low-Alloy Steel Process TIG Welding (GTAW) Overall Diameter 0.0938 in Overall Length 36 in Tensile Strength (As Welded) 100 to 105 ksi Yield Strength (Minimum Required) 78 ksi Yield Strength (As Welded) 81 to 86 ksi Series Lincoln ER90S-B3 Weight 30 lb For Material Type Low-Alloy Steel to Low-Alloy Steel Welding Current Designation DCEN For Welding Position Flat Horizontal Overhead Vertical-Down Vertical-Up