What are the disadvantages of cast iron?
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                            Disadvantages of cast iron
                    - It is Prone to rusting.
- It has poor tensile strength.
- Its parts are section sensitive, this is due to slow cooling of thick sections.
- failure of Its parts is sudden and total, it does not exhibit yield point.
- It has poor impact resistance.
- Compared to steel it has poor machinability.
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