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100200300400500600700800900
Temperature[°C]
A→M
A→B
A→P
A→FMs
C, Mn
Nb, Si
C, Cr, Mn, Mo
C, Cr, Mn, Mo
A: AusteniteB:BainiteF: FerriteM: MartensiteP: Pearlite
BainiteNose
Ms= MartensiteStart Temp.Time to cool [s]Cooling Rate [°C/s]Hardness [HV]8100475273047440204178010278133623211430.716340000.21502663182B, C, Cr, Mn, Mo
Prepared by Eren Billur, Billur Metal Formfor WorldAutoSteel AHSS Guidelines, 2021