Welding Cast Iron Chair. At least three kinds of welding rods work on cast iron but the advantage of using 99 percent nickel is that it can be sanded smooth later to give the hardware a finished look she said. Casting iron castings I have worked on with current work were 12 x 12 x 5 feet and were reported to be.
Bushey ESAB Wldg Cutting Products Advisors to the AWS A5J Subcommittee on Electrodes and Rods for Welding Cast Iron J. To weld cast iron start by preheating the section youll be working to a temperature between 500 to 1200 degrees F so that its stable enough to work with. Cast iron can be tricky to repair because it wants to crack from welding.
But it works only in the heat-affected zone.
On the welding rod there is flux Special Graphite rich flux. Gupta Secretary American Welding Society R. If you have a good amount of sand or kitty litter around you might be able to heat it stick weld it heat it again and then bury it in the sand or clay until it cools wood ash can work as well if you have a wood burning stove 2. Mix the two together to achieve a thick clay-like material.