Welding Cast Iron Stove. Its not a water stove or pressure vesselmost take less care welding a cageLOL. Avoid getting liquid weld on your skin or in your eyes and wash your hands thoroughly immediately after use.
Cast iron is difficult but not impossible to weld. You could weld something up from steel plate. It started from the corner being a stress riser and the related heat cycles.
Preheating stunts the cooling speed of your welds.
Such techniques include brazing the use of epoxy putty and the use of cold metal stitching. The repairs may be made in the foundry where the castings are produced or may be made to repair casting defects that are discovered after the part is machined. Newbies and intermediate welders need both workpieces heated while pros can manage a quality weld without any heat treatment. Posted November 18 2019.