carbon in the form of free graphite
high tensile strength
low compressive strength
all of these
carbon in the form of carbide
Phosphorus is the impurity in cast iron which promotes graphite nodule formation and increases the fluidity of the molten metal.
The product produced by blast furnace is called cast iron.
The pig iron is the name given to the product produced by cupola.
The cast iron has high tensile strength.
The chilled cast iron has no graphite.