Answer / himanshu

Carbon is basically present in the form of cementite in cast iron.Its percentage lies in the range of 2.03-6.67(% by weight of cementite)for Cast Iron.If the amount is less than the above range than it is stainless steel.....

Answer / malayappan

Above 2% of carbon with iron is known as Cast Iron. As per
the Iron-carbon diagram cabon can be maximum to 6.67
percent. However any commercial cast iron will have caron
in the range of 3 to 3.6%. This carbon will be present in
two forms 1. As combined Carbon (Cementite) and the other
one as Free Carbon (Graphite)

Answer / rajeesh

The amount of carbon in cast irons is 2.1-4 %wt

Answer / karthick

minimum 2%

Answer / praveen singh

Cast iron contains 2.1-6.67% carbon
In which 2.1-4.3 % carbon contain Iron is Hypoeutectic C.I while from 4.3-6.67% is hypereutectic C.I and 6.67%c is called Cementide

Answer / adinarayana kopparthi

2% of carbon containe is cast iron.

Answer / plnde

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