Welding Cast Iron Copper. Cast iron is difficult but not impossible to weld. MIG welding is a popular welding process as a beginner.
To maintain a nice weld use the MIG welder to maintain the lowest feed rate and the lowest current. 1 X Research sourceStep 3 Keep nearby iron. Care must be taken not to oxidise the cast iron during acetylene welding as this causes silicon loss and the formation of white iron in the weld.
Stick welding is a complex welding method.
Thoroughly clean the surface to be welded grind file dress and dry. Welding cast iron has two schools of thought one is hot and the other is cold welding. The shop assignments are. 1 Tough pitch copper and.