DELTATEC Maintenance Cast iron repair Welding Electrodes provides  High strength,Soft Machining with Porosity Free weld deposits.

Generally speaking, cast iron is a brittle, porous, iron/carbon alloy containing from 2.5% to 4.5% carbon, 0.5% to 3.0% silicon and lesser amounts of manganese, phosphorous and sulphur with sulphur being an especially undesirable impurity. However it is the unusual amount or carbon in cast iron that gives it its chief characteristics and can make it so difficult to weld.