How To Weld Cast Iron With 7018 Rod. It is a mild steel rod that is coated with a low-hydrogen iron-based flux compound that vaporizes to shield the molten weld bead from contamination by air and moisture. Based on the use of different cast iron you must use a different welding rod to get a better result.
It can be a good solution to repair cast irons. Once a good weld deposit is made the two sides of the crack can be welded together. The E7018 welding rod is versatile because it is.
7018 is a mild steel electrode and can get cast iron.
Some examples of structural welding jobs include bridges commercial sites power plants and military vessels. Avoid storing 7018 rods in freezers old refrigerators and other makeshift cabinets. These wont keep moisture at bay. View Cast Iron Stick Electrodes.