How To Weld Cast Iron With Mig Welder. Try to apply lower currents and move slowly. Pre-heat and Post-heat the Metal.
The answer is yes but not recommended. By performing these steps in the following order you will be able to produce an extremely durable cast iron weld. I vary location with each bead with immediate peaning.
The selection of proper filler metal is the foundation of the cast iron welding.
Generally preheated welding is performed by heating the cast iron. When doing this you can take your glove off after the bead lay your bare hand on the weld it will feel barely lukewarm. Setting-Up to Start the Process Once you are good with the machine and wearing a PPE suit you should now move onto setup the piece you are going to weld and the welding machine make sure they are properly neat and clean so that it gets the perfect weld. When welding cast iron on your own you need to know the critical steps involved in effectively welding cast iron.