1.7225 Steel

1.7225 Steel

Steel name: 1.7225
Diagram No.: 2233
Mat.No. (Wr.Nr.) designation: 1.7225
DIN designation: 42CrMo4
AISI/SAE designation: 4140
Chemical composition in weight %: 0.42% C, 0.25% Si, 0.76% Mn, <0.035% S, 1.10% Cr, 0.22% Mo
Steel group: Alloyed steels
Properties: Alloyed steel, suitable for quenching and tempering, with high resistance and high toughness.
Applications: Universally useable in engineering when toughened and pre-hardened machine construction, base plates, axes, gear shafts, gear wheels.
Reference: Not shown in this demo version.

Heat Treatment
Hardening: 820 to 880 °C, quenching in oil or water oil hardening for thin and complex, water hardening for large and simple components, obtainable hardness: 53-61 HRC.
Tempering: Slow heating to temperature (to avoid forming of cracks) immediately after hardening; at least 60 minutes cooling in air.
Diagram note: No data

Tempering Diagram

Price: 20.00 US $
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Carbides in Steel
CCT and TTT Diagrams of Steels
CCT and TTT Diagram Calculating Service
Hardenability Diagrams of Steels
Hardenability Calculating Service
Macro Defects in Steel
Metal Etchants
Non-Metallic Inclusions in Steel
Semiconductor Etchants

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