Steels_ Metallurgy and Applications, Third Edition

206 Steels: Metallurgy and Applications

Figure 3.5 Continuous-cooling transformation diagram for a 0.39% C 1.45% Mn 0.49%
Mo steel (After Cias 2)

Figure 3.6 Continuous-cooling transformation diagram for a 0.38% C 0.6% Mn steel;

the dotted vertical lines indicate the transformations that occur in a 10 mm bar after air

cooling, oil quenching and water quenching respectively (After Atkins 3)