34CrMo4, 34CrMoS4 Steels

Steel name: 34CrMo4, 34CrMoS4
Diagram No.: 3378
Type of diagram: CCT
Mat. No. (Wr. Nr.) designation: 1.7220, 1.7226
DIN designation: 34CrMo4, 34CrMoS4
SAE designation: 4135, 4137
Old name: Mo35
Chemical composition in weight %:
CrMo4: 0.34% C, 0.25% Si, 0.70% Mn, <0.035% S, 1.10% Cr, 0.25% Mo, (Pb)
CrMoS4: 0.34% C, 0.25% Si, 0.70% Mn, 0.020-0.035% S, 1.10% Cr, 0.25% Mo, (Pb)
Steel group: Alloy steels
Note: Austenitized at 850oC.
Reference: Not shown in this demo version.

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