34CrMo4 Steel

Steel name: 34CrMo4
Table No.: 1917
DIN designation: 34CrMo4
Mat.No. (Wr.Nr.) designation: 1.7220
AISI/SAE designation: 4135
EN designation: 34CrMo4
UNI designation: 34CrMo4
AFNOR designation: 34CD4
GB designation: ML30CrMo
GOST designation: 34HM
Chemical composition in weight %: 0.30-0.37% C, max. 0.40% Si, 0.60-0.90% Mn, max. 0.025% P, max. 0.035% S, 0.90-1.20% Cr, 0.15-0.30% Mo
Steel group: Alloy steels
Applications: No data
Comment: Ac=745 C, Ac3=800 C, Ms=360 C, Mf=150 C.
Reference: Not shown in this demo version.

Heat Treatment
Quenching: 850 C/oil, polymer or water
Tempering: 550-650 C/air

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