709M Steel

Steel name: 709M
Diagram No.: 615
DIN designation: 42CrMo4
Mat.No. (Wr.Nr.) designation: 1.7225
AISI/SAE designation: 4140
Chemical composition in weight %: 0.42% C, 0.25% Si, 0.75% Mn, 1.05% Cr, 0.20% Mo
Steel group: Alloyed steel
Applications: No data
Comment: No data
Reference: Not shown in this demo version.

Heat Treatment
Hardening: 830-850oC/oil

Hardenability Diagram

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Other Steel Data links:
Carbides in Steel
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Etchants Database
Hardenability Calculating Service
Macro Defects in Steel
Non-Metallic Inclusions in Steel
Tempering Diagrams of Steels

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