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Microstructure and properties: ferrite + pearlite Evaluate the statement about plain carbon steels: “Ferrite and pearlite make the steel soft and ductile.” Choose the correct option.

Difficulty: Easy

Correct (True)
Incorrect (False)
True only for high-carbon steels
True only at cryogenic temperatures

Correct Answer: Correct (True)

Explanation:

Concept
In plain carbon steels, a matrix of ferrite (very soft, ductile) with pearlite (lamellar ferrite + cementite) yields an overall soft and ductile behavior (typical of low-carbon and mild steels). Increasing pearlite content raises strength but maintains useful ductility.

Final Answer
Correct (True)

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