K4404 Stick Electrodes AWS Classification E8018-B2 H4R Material Low-Alloy Steel Process Stick Welding (SMAW) Overall Diameter 1/8 in Overall Length 14 in Tensile Strength (Minimum Required) 80 ksi Tensile Strength (As Welded) 93 to 99 ksi (Stress-Relieved 1 hr @ 1275 Degrees F) 88 to 93 ksi (Stress-Relieved 8 hr @ 1275 Degrees F) Yield Strength (Minimum Required) 67 ksi