42CrMo4 Steel

Steel name: 42CrMo4
Diagram No.: 8176
Type of diagram: TTT
Mat. No. (Wr. Nr.) designation: 1.7225
DIN designation: 42CrMo4
AISI/SAE designation: AISI 4140
Chemical composition in weight %: 0.38-0.45% C, max. 0.40% Si, 0.60-0.80% Mn, max. 0.025% P, max. 0.035% S, 0.90-1.20% Cr, 0.15-0.30% Mo
Steel group: Structural steels
Note: Austenitizing temperature: 850 C, holding time: 10 min. TTT-diagram of 42CrMo4/AISI 4140 [23].
Reference: Not shown in this demo version.
Fritz Klocke, et al., Energy-based approaches for multi-scale modelling of material loadings during Electric Discharge Machining (EDM), 15th CIRP Conference on Modelling of Machining Operations, Procedia CIRP 31 ( 2015 ) 191–196.
Reference [23]: Beiss P. Werkstoffkunde I. Vorlesungsskript.

Transformation Diagram


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