TIG Welding Rods AWS Classification ER100S-1 ER110S-1 Material Low-Alloy Steel Process TIG Welding (GTAW) Overall Diameter 0.0938 in Overall Length 36 in Tensile Strength (As Welded) 100 ksi Yield Strength (Minimum Required) 88 ksi Yield Strength (As Welded) 100 ksi Series Lincoln ER100S-1 Weight 10 lb For Material Type Low-Alloy Steel to Low-Alloy Steel For Material Grade ASTM A514 ASTM A543 ASTM A724 ASTM A782 HSLA-80 HY-80 Welding Current Designation DCEN