We can take machines down to repair them but they are big mixers. The water jackets around the body get clogged up and build steam as they run on 250 degree water. Once the steam builds up they crack the welds on the outside edge. They are 1" square bar stock welded to the body and a 1/2' plate...

I'm a maintenance technician and have been doing a lot of repairing water leaks lately. Any tips on repairing cracks and choice of rod for regular mild steel. Any tips would be great. Thanks