39NiCrMo3 Steel

Steel name: 39NiCrMo3
Table No.: 2134
DIN designation: 36CrNiMo4
Mat.No. (Wr.Nr.) designation: 1.6510
AISI/SAE designation: 9840
EN designation: 39NiCrMo3
UNI designation: 39NiCrMo3
AFNOR designation: 40NCD3
GOST designation: 39HNM
Chemical composition in weight %: 0.35-0.43% C, max. 0.40% Si, 0.50-0.80% Mn, max. 0.025% P, max. 0.035% S, 0.60-1.00% Cr, 0.15-0.25% Mo, 0.70-1.00% Ni
Steel group: Alloy steels
Applications: No data
Comment: Ac1=740 C, Ac3=790 C, Ms=330 C, Mf=110 C.
Reference: Not shown in this demo version.

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

Diagram Tempering Temperature - Mechanical Properties

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