Welding Electrode For Ductile Cast Iron. Suitable for welding grey cast iron white and grey mallable cast iron nodular cast iron. This iron cant be welded because welding can change the properties of the metal.
In addition it is ideally suited for the repair of defective or cracked malleable iron castings. Some electrodes recommended for welding Ductile Iron are the 44- and 55-percent nickel-iron electrodes. Oxy-acetylene welding is another option frequently used to weld cast iron.
Sureweld 55 Cast has good tolerance for the high.
Cost machine-ability and whether the weld is single or multiple pass. The 44- and 55-percent nickel-iron electrodes. Can be used to weld malleable iron and ductile iron to itself or dissimilar metals. This iron is rarely welded because it is quite expensive and a slow process.