Materials Portal Logo MATERIALS PORTAL

42CrMo4 | 1.7225 Material Datasheet

Unlock Exclusive Materials Data

Gain access to a wealth of materials data by joining our Materials Portal.

Register for Free or Upgrade for Full Access

Material Description

Material Number Material Name Material Number (single) Standard Scope Standard Status Country Predecessor VDA 231-106 classification
1.7225 (DIN EN 10250-3 : 2022-07) 42CrMo4 1.7225 DIN EN 10250-3 : 2022-07 Supersedes DIN EN 10250-3 : 1999-12 Valid Germany 42CrMo4 1.1.1 1)
1) Remark: Alloy steel for open-die forgings, forged bars and products pre-forged and finished in ring mills and supplied in the quenched and tempered condition for general engineering purposes.

Chemical Composition

C [%] Cr [%] Mn [%] Mo [%] P [%] S [%] Si [%] Remainder
blur blur blur blur blur blur blur blur 1)
1) Source: blur

Material Compliance

REACh RoHS
blur blur

Mechanical Properties

Semi-finished Product Condition Nominal Size [mm] Temperature [°C] Specimen Direction Tensile Strength [MPa] Yield Strength [MPa] Elongation A [%]
blur blur blur blur blur blur blur blur 1)
blur blur blur blur blur blur blur blur 1)
blur blur blur blur blur blur blur blur 1)
blur blur blur blur blur blur blur blur 1)
blur blur blur blur blur blur blur blur 1)
blur blur blur blur blur blur blur blur 1)
blur blur blur blur blur blur blur blur 2)
blur blur blur blur blur blur blur blur 2)
blur blur blur blur blur blur blur blur 2)
blur blur blur blur blur blur blur blur 2)
blur blur blur blur blur blur blur blur 2)
blur blur blur blur blur blur blur blur 2)
blur blur blur blur blur blur blur blur 2)
blur blur blur blur blur blur blur blur 2)
blur blur blur blur blur blur blur blur 2)
blur blur blur blur blur blur blur blur 2)
blur blur blur blur blur blur blur blur 2)
blur blur blur blur blur blur blur blur 2)
blur blur blur blur blur blur blur blur 2)
blur blur blur blur blur blur blur blur 2)
blur blur blur blur blur blur blur blur 2)
blur blur blur blur blur blur blur blur 2)
blur blur blur blur blur blur blur blur 2)
blur blur blur blur blur blur blur blur 2)
1) Source: blur
2) Source: blur

Physical Properties

Temperature [°C] Density [g/cm³] Young's Modulus [GPa] Mean Coefficient of Thermal Expansion (reference 20°C) [10^-6*K^-1] Differential Coefficient of Thermal Expansion [10^-6*K^-1] Thermal Conductivity [W/(m*K)] Thermal Diffusivity [10^-6 m²/s] Specific Electrical Resistance [µΩm] Mean Specific Heat Capacity [kJ/(kg*K)] True Specific Heat Capacity [kJ/(kg*K)]
blur blur blur blur blur blur blur blur blur blur 1)
blur blur blur blur blur blur blur blur blur blur 1)
blur blur blur blur blur blur blur blur blur blur 1)
blur blur blur blur blur blur blur blur blur blur 1)
blur blur blur blur blur blur blur blur blur blur 1)
blur blur blur blur blur blur blur blur blur blur 1)
blur blur blur blur blur blur blur blur blur blur 1)
blur blur blur blur blur blur blur blur blur blur 1)
blur blur blur blur blur blur blur blur blur blur 1)
1) Source: blur

Toughness Data (Impact)

Semi-finished Product Condition Nominal Size [mm] Temperature [°C] Specimen Shape Specimen Direction Notch Impact Energy [J]
blur blur blur blur blur blur blur 1)
blur blur blur blur blur blur blur 1)
blur blur blur blur blur blur blur 1)
blur blur blur blur blur blur blur 1)
blur blur blur blur blur blur blur 1)
blur blur blur blur blur blur blur 1)
blur blur blur blur blur blur blur 2)
blur blur blur blur blur blur blur 2)
blur blur blur blur blur blur blur 2)
1) Source: blur
2) Source: blur

FKM Guideline Fatigue Strength

Condition Temperature [°C] Tensile Strength [MPa] Yield Strength [MPa] Fatigue Limit under rev. Tension-Compression Stresses [MPa] Fatigue Strength under pulsating Tensile Stresses [MPa] Bending Fatigue Strength [MPa] Shear Fatigue Strength [MPa] Torsion Fatigue Strength [MPa]
blur blur blur blur blur blur blur blur blur 1)2)
1) Source: blur
2) Remark: blur

Fracture Toughness

Temperature [°C] Yield Strength [MPa] Tensile Strength [MPa] Plane-Strain Fracture Toughness KIc [MPa*m^½] Critical Stress Intensity Kc [MPa*m^½]
blur blur blur blur blur 1)
blur blur blur blur blur 2)
1) Source: blur
2) Source: blur

Heat Treatment

Heat Treatment Step Temperature [°C] Medium
blur blur blur blur 1)
blur blur blur blur 1)
1) Source: blur

Cross Reference

Material Name Country Standard
42CrMo China GB/T 3077 1)
A30422 China GB/T 3077 1)
42 CrMo 4 Germany SEW 550
42CrMo5 Europe EN 10250-3
40Cr4Mo3 India IS 4367 1)
SCM440 Japan JIS G 4053 1)
SCM440 South Korea KS D 3711 1)
A29 Grade 4140 USA ASTM A29 2)
A434 Grade 4140 USA ASTM A434 2)
4140 USA SAE 2)
G41400 USA UNS 2)
1) Source: Stahlschlüssel 2019, Verlag Stahlschlüssel Wegst GmbH, Marbach
2) Source: Metals & Alloys in the Unified Numbering System, SAE/ASTM, 11th Edition, 2008

Producer/Supplier/Trade names

Tradename Supplier
MOC 2 Aubert&Duval Special Steel GmbH, Mönchengladbach 1)
ZF 68 Fritz Baumann GmbH & Co. KG, Güglingen 1)
BGH 7225 BGH Edelstahl Siegen GmbH 1)
42CrMo4 Buderus Edelstahl GmbH, Wetzlar 1)
Firmodur 7225 Deutsche Edelstahlwerke Specialty Steel GmbH & Co. KG, Witten 1)
42CrMo4 DIROSTAHL, Remscheid 1)
M 4 S Dörrenberg Edelstahl GmbH, Engelskirchen 1)
42CrMo4 Edelstahlwerk C. & F. vom Brocke e.K., Altena-Altroggenrahmede 1)
1.7225.00 Edelstahlwerk W. Ossenberg & Cie. GmbH, Altena 1)
1.7225 Gustav Grimm Edelstahlwerk GmbH & Co. KG, Remscheid 1)
42CrMo4 Hammerwerk Erft, G. Diederichs GmbH & Co. KG, Bad Münstereifel-Arloff 1)
42CrMo4 Hermann Stahlschmidt Stahlgesellschaft m. b. H., Willich 1)
1.7225 Chr. Höver & Sohn GmbH & Co KG, Lindlar 1)
1.7225 INTERSTAHL Service GmbH, Wetter 1)
1.7225 IMBACH & CIE AG, Nebikon 1)
1.7225 Rosswag GmbH, Pfinztal-Kleinsteinbach 1)
1.7225 Platestahl Umformtechnik GmbH, Lüdenscheid 1)
42CrMo4 Schmiedewerke Gröditz GmbH, Gröditz 1)
BÖHLER V320 voestalpine High Perfomance Metals Deutschland GmbH, Düsseldorf 1)
V320 voestalpine High Perfomance Metals Deutschland GmbH, Düsseldorf 1)
1.7225 von Schaewen AG, Essen 1)
1) Source: Stahlschlüssel 2019, Verlag Stahlschlüssel Wegst GmbH, Marbach