Question
What are the differences between cast iron, wrought iron and steel?

Answer

Cast ironWrought ironSteel
(1) Hard and brittle
(2) Contains 4% carbon.
(3) Used for making pipes, manu­facturing automotive parts, pots, pans, utensils
(1) Very soft
(2) Contains less than 0.2% carbon.
(3) Used for making pipes, bars for stay bolts, engine bolts and rivets.
(1) Neither too hard nor too soft.
(2) Contains 0.2 to 2% carbon
(3) Used in buildings infrastruc­ture, tools, ships, automobiles, weapons etc.

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