Eutectoid composition of carbon steel at room temperature is___________________?
Correct answer: B. Pearlite
- A. Cementite
- B. Pearlite
- C. Martensite
- D. Ferrite
Explanation
At the eutectoid composition, austenite transforms into the lamellar mixture of ferrite and cementite called pearlite on cooling. Cementite and ferrite are its constituents, not the eutectoid product by themselves.
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