Powerweld Low Hydrogen ElectrodePowerWeld 7018 is a low hydrogen electrode for use in all positions on low, medium and highcarbon steels. 70,000 PSI tensile strength. Ideal for out of position welding and tacking. Runs on AC or DCEP (reverse) polarity. Features a steady arc with low spatter and medium penetration, providing X ray quality weld deposits. Applications PowerWeld 7018 is typically used for heavy machinery fabrication, pressure vessels, field and shop welding of bridges