42CrMo4 Steel

Steel name: 42CrMo4
Diagram No.: 8174
Type of diagram: TTT
Mat. No. (Wr. Nr.) designation: 1.7225
DIN designation: 42CrMo4
AISI/SAE designation: SAE 4142
Chemical composition in weight %: 0.42% C, 0.29% Si, 0.78% Mn, 0.011% P, 0.010% S, 1.07% Cr, 0.16% Mo, 0.12% Ni, 0.24% Cu, 0.022% Al
Steel group: Alloed steels
Note: Austenitizing temperature: 860 C, holding time: 5 min.
Reference: Not shown in this demo version.
Roman Kuziak, Artur Barelkowski, Development of a technology of isothermal annealing with the use of the forging heat for chromium?molybdenum steel, Materials & Design, Volume 203, 2021, 109590, ISSN 0264-1275, https://doi.org/10.1016/j.matdes.2021.109590.

Transformation Diagram


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