AISI 4140 Steel

Steel name: AISI 1045
Diagram No.: 8121
Type of diagram: CCTT
Mat. No. (Wr. Nr.) designation: 1.7225
JIS designation: SCM 4 H
AISI/SAE designation: AISI 4140
Chemical composition in weight %: 0.41% C, 0.20% Si, 0.75% Mn, 1.05% Cr, 0.23% Mo
Steel group: Structural steels
Note: No data
Reference: L.C.F. Canale, L. Albano, G.E. Totten, L. Meekisho, Hardenability of Steel, Editor(s): Saleem Hashmi, Gilmar Ferreira Batalha, Chester J. Van Tyne, Bekir Yilbas, Comprehensive Materials Processing Elsevier, 2014, Pages 39-97, ISBN 9780080965338, https://doi.org/10.1016/B978-0-08-096532-1.01219-X.

Transformation Diagram


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