A steel is plastically worked in the temperature range below the nose of the TTT curve

Q. A steel is plastically worked in the temperature range below the nose of the TTT curve and above M_s, followed by quenching to produce fine martensite. What is this process called?

(A) Martempering                                          (B) Ausforming

(C) Inter-critical forming                               (D) Normalizing

Ans: Ausforming