The biggest problem encountered in cast iron welding is most welders use a high nickel rod. Because nickel is very hard, when the weld is performed, it leaves a hard spot in the cast, which is almost guaranteed to re-crack.

Attempts to combat this cracking have typically been to slowly heat and cool down the cast iron, and hope for the best.

Our cast iron welding rods eliminate the cracking, because our rods have 300% of the elongation of nickel rods. There is no need for preheating if the cast is under 3/4" thick, and no special cooling rituals are necessary.

This cast iron engine block from a CASE backhoe has a 1 1/2 inch hole caused by a thrown rod.

After light grinding, we laid pass after pass of our 77 electrode to fill the hole.

When applied properly, 77 is guaranteed not to re-crack.

A quick grinding is the finishing touch on this once impossible repair... for less than $20.

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