Which statement describes the peritectic reaction in steel?

Which statement describes the peritectic reaction in steel?

• A. A single-phase transformation of austenite to martensite.
• B. A two-phase mixture of delta ferrite and liquid transforms on cooling to austenite.
• C. Delta ferrite transforms into cementite upon heating.
• D. Liquid iron forms graphite during peritectic reaction.

Answer: (B)