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25CrMo4 | 1.7218 Material Datasheet

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Material Description

Material Number Material Number (single) Standard Scope Standard Status Country Predecessor VDA 231-106 classification
1.7218 (DIN EN 10250-3 : 2022-07) 1.7218 DIN EN 10250-3 : 2022-07 Supersedes DIN EN 10250-3 : 1999-12 Valid Germany 25CrMo4 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 [%]
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Mechanical Properties

Semi-finished Product Condition Nominal Size [mm] Temperature [°C] Specimen Direction Tensile Strength [MPa] Yield Strength [MPa] Elongation A [%]
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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)]
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Toughness Data (Impact)

Semi-finished Product Condition Nominal Size [mm] Temperature [°C] Specimen Shape Specimen Direction Notch Impact Energy [J]
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Heat Treatment

Heat Treatment Step Temperature [°C] Medium
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Cross Reference

Material Name Country Standard
30CrMo China GB/T 3077 1)
A30302 China GB/T 3077 1)
25CrMo4 Europe EN 10250-3
21Cr4Mo2 India IS 4367 1)
SCM425 Japan JIS G 4053 1)
20ChM Russia GOST 4543 1)
20ХM Russia ГОСТ 4543 1)
30ChM Russia GOST 4543 1)
30ХM Russia ГОСТ 4543 1)
A304 Grade 4130H USA ASTM A304 2)
4130 USA SAE 2)
G41300 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
F 66 S Aubert&Duval Special Steel GmbH, Mönchengladbach 1)
1.7218 Fritz Baumann GmbH & Co. KG, Güglingen 1)
BGH 7218 BGH Edelstahl Siegen GmbH 1)
25CrMo4 Buderus Edelstahl GmbH, Wetzlar 1)
Firmodur 7218 Deutsche Edelstahlwerke Specialty Steel GmbH & Co. KG, Witten 1)
25CrMo4 DIROSTAHL, Remscheid 1)
DE 7218 Dörrenberg Edelstahl GmbH, Engelskirchen 1)
25CrMo4 Edelstahlwerk C. & F. vom Brocke e.K., Altena-Altroggenrahmede 1)
1.7218.00 Edelstahlwerk W. Ossenberg & Cie. GmbH, Altena 1)
25CrMo4 Hammerwerk Erft, G. Diederichs GmbH & Co. KG, Bad Münstereifel-Arloff 1)
25CrMo4 Hermann Stahlschmidt Stahlgesellschaft m. b. H., Willich 1)
1.7218 Chr. Höver & Sohn GmbH & Co KG, Lindlar 1)
1.7218 INTERSTAHL Service GmbH, Wetter 1)
1.7218 IMBACH & CIE AG, Nebikon 1)
1.7218 Rosswag GmbH, Pfinztal-Kleinsteinbach 1)
1.7218 Platestahl Umformtechnik GmbH, Lüdenscheid 1)
25CrMo4 Schmiedewerke Gröditz GmbH, Gröditz 1)
BÖHLER V340 voestalpine High Perfomance Metals Deutschland GmbH, Düsseldorf 1)
V340 voestalpine High Perfomance Metals Deutschland GmbH, Düsseldorf 1)
1.7218 von Schaewen AG, Essen 1)
1) Source: Stahlschlüssel 2019, Verlag Stahlschlüssel Wegst GmbH, Marbach

Material Compliance

REACh RoHS
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Linear-elastic

Temperature [°C] Young's modulus [GPa] Bulk modulus [GPa] Shear modulus [GPa] Poisson's ratio
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Alternating stress

Temperature [°C] Stress ratio Mean stress [MPa] Alternating stress [MPa] Cycles
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Yield strength

Temperature [°C] 0.1% Proof strength [MPa] 0.2% Proof strength [MPa] Yield strength [MPa]
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Electrical resistivity

Temperature [°C] Specific electrical resistance [µΩm]
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Coefficient thermal expansion

Related Temperature [°C] Temperature [°C] Coefficient thermal expansion [10^-6*K^-1]
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Specific heat

Temperature [°C] Specific heat [kJ/(kg*K)]
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Density

Temperature [°C] Density [g/cm³]
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Tensile strength

Temperature [°C] Tensile strength [MPa]
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Thermal conductivity

Temperature [°C] Thermal conductivity [W/(m*K)]
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Classification

WIAM Material Treatment Semi-finished product Dimension [mm] Load type Failure criteria Rolling direction Maximum stress [MPa] Strain at maximum stress [%] Source description
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Designation

Designation Material number Source
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Yield strength

Temperature [°C] 0.1% Proof strength [MPa] 0.2% Proof strength [MPa] Yield strength [MPa]
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Tensile strength

Temperature [°C] Tensile strength [MPa]
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Classification

WIAM Material Treatment Semi-finished product Dimension [mm] Load type Failure criteria Rolling direction Maximum stress [MPa] Strain at maximum stress [%] Source description
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Yield strength

Temperature [°C] 0.1% Proof strength [MPa] 0.2% Proof strength [MPa] Yield strength [MPa]
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Tensile strength

Temperature [°C] Tensile strength [MPa]
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Classification

WIAM Material Treatment Semi-finished product Dimension [mm] Load type Failure criteria Rolling direction Maximum stress [MPa] Strain at maximum stress [%] Source description
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Yield strength

Temperature [°C] 0.1% Proof strength [MPa] 0.2% Proof strength [MPa] Yield strength [MPa]
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Tensile strength

Temperature [°C] Tensile strength [MPa]
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Classification

WIAM Material Treatment Semi-finished product Dimension [mm] Load type Failure criteria Rolling direction Maximum stress [MPa] Strain at maximum stress [%] Source description
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