What Does The 7018 On A Welding Rod Mean
The number 7018 on a welding rod is part of the American Welding Society (AWS) classification system for mild steel electrodes. The digits indicate tensile strength, welding position, coating type, and current requirements, with 7018 specifically denoting a 70,000 psi tensile strength rod suitable for all-position welding with a low-hydrogen iron powder coating using DC or AC current.
