1. 910 °C
Austenite
(g)
a+g
g +
cementite
ferrite
723 °C
Temperature / °C
(a)
a +
cementite
0.78
Carbon / wt%

8. Fe-Mo-C
Fe-C
Hardness RT
500
Tempering temperature / °C
(tempering time = 1h)

10. Temperature / °C log{time} Ae3 ferrite pearlite bainite M s martensite
Widmanstatten ferrite
upper
bainite
bainite M
lower s
bainite
martensite
log{time}

13. Temperature / °C log{time} Ae3 ferrite pearlite bainite M s martensite
Widmanstatten ferrite
upper
bainite
bainite M
lower s
bainite
martensite
log{time}

16. g Eutectoid Steel Temperature / °C log{time} 723 5% pearlite M s
50% martensite
log{time}