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Welding Cast Iron Rods. Slowly pull the trigger to the cast iron until there is a pool of molten metal. Cast Iron Cold Welding Steps.
However this rod is very expensive and thats why welders often avoid using this rod. The cold in cast iron cold welding refers to the low heat needed to the base metal. Slowly pull the trigger to the cast iron until there is a pool of molten metal.
Cast iron is difficult but not impossible to weld.
A low amperage is needed to avoid deep fusion between the base material and filler. Pure nickel rod 99 nickel. Cast Iron Cold Welding Steps. Pull the electrode on the steel not cast iron.