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25 CrMo 4 | 1.7218 Material Datasheet

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Material Description

Material Number Material Number (single) Standard Scope Standard Status Country Successor VDA 231-106 classification Application temperature [°C]
1.7218 (DIN 17200 : 1987-03) 1.7218 DIN 17200 : 1987-03 DIN 17200 : 1987-03 replaced by DIN EN 10083-1/-2 : 1991-10 Replaced Germany 25CrMo4 1.1 -40 - 200 1)
1) Remark: Steel 25 CrMo 4 is suitable for parts of high strength and ductility requirements and mean and higher heat-treatment sections in vehicle manufacturing, engine and machine engineering (e.g. crankshafts, steering knuckles, pinions). Lowest application temp. -40 °C.

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 [%] Reduction of Area [%] Hardness HB | HBW
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Physical Properties

Temperature [°C] Density [g/cm³] Young's Modulus [GPa] Shear 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)

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
25 CrMo 4 Belgium NBN 253-02
30CrMoA China GB 3077
25 CD 4 France NF A 35-552
708 M 25 Great Britain BS 970/1
30 ChM Russia GOST 4543
25 CrMo 4 International ISO 683/1-87
25 CrMo 4 Italy UNI 7845
SCM 430 Japan JIS G 4105
25 HM Poland PN H-84030/04
2225 Sweden MNC 852 E
F.1251-30 CrMo 4 Spain UNE 36-012
4130 USA ASTM A 322
25CrMo4 Germany DIN EN 10083-1

Producer/Supplier/Trade names

Tradename Supplier
1.7218 Chr. Höver & Sohn GmbH & Co. KG, Lindlar
25 CrMo 4 AG der Dillinger Hüttenwerke, Dillingen
25 CrMo 4 ArcelorMittal Commercial Germany, Cologne
25 CrMo 4 Hoesch Hohenlimburg GmbH, Hagen
25 CrMo 4 Salzgitter Flachstahl GmbH, Salzgitter
25 CrMo 4 ThyssenKrupp Steel Europe AG, Duisburg
25 CrMo 4 voestalpine AG, Linz
25 CrMo 4 Saarstahl AG, Völklingen
25 CrMo 4 Georgsmarienhütte GmbH, Georgsmarienhütte
25 CrMo 4 Swiss Steel International GmbH, Düsseldorf
25 CrMo 4 Dörrenberg Edelstahl GmbH, Engelskirchen
25 CrMo 4 Walzwerke Einsal GmbH, Nachrodt
25 CrMo 4 Willy Haecker GmbH, Hückeswagen
25 CrMo 4 Hagenkötter GmbH & Co., Solingen
25 CrMo 4 Chr. Höver & Sohn GmbH & Co KG, Lindlar
25 CrMo 4 Platestahl Umformtechnik GmbH, Lüdenscheid
25 CrMo 4 Hermann Stahlschmidt Stahlgesellschaft m. b. H., Willich
25 CrMo 4 Stahlwerk Unna GmbH & Co.KG, Unna
25 CrMo 4 ZAPP AG, Ratingen
25 CrMo 4 Haage Anagramm Technologien GmbH, Mülheim a. d. Ruhr
25 CrMo 4 Bochumer Verein Verkehrstechnik GmbH, Bochum
25 CrMo 4 C.D. Wälzholz GmbH & Co. KG, Hagen
25 CrMo 4 Böllinghaus Steel GmbH, Hilden
25 CrMo 4 ZOLLERN GmbH & Co. KG, Sigmaringen
25 CrMo 4 COGNE Edelstahl GmbH, Neuss
25 CrMo 4 Vallourec Deutschland GmbH, Düsseldorf
25 CrMo 4 ROPA STAHLVERTRIEB GMBH, Bad Bergzabern
25 CrMo 4 Vallourec Deutschland GmbH, Düsseldorf
25 CrMo 4 Stahlwerk Bous GmbH, Bous
25 CrMo 4 BOEHLER V 340 voestalpine High Perfomance Metals Deutschland GmbH, Düsseldorf
Almenit 7218 Almenit, Mittelberg
BGH 7218 BGH Edelstahl Siegen GmbH
Buderus 25 CrMo 4 Buderus Edelstahl GmbH, Wetzlar
CHRONIMO 1.7218 Chronimo Edelstahl GmbH, Barsbüttel
DIRO-25 CrMo 4 DIROSTAHL, Remscheid
Heros 7218 Aubert&Duval Special Steel GmbH, Mönchengladbach
K 2 Vallourec Deutschland GmbH, Mülheim
Klöckner 25 CrMo 4 Klöckner & Co SE, Duisburg
OVAKO 322 A OVAKO STAHL GmbH, Erkrath
TEW 25 CrMo 4 Deutsche Edelstahlwerke Specialty Steel GmbH & Co. KG, Witten
TS 25 CrMo 4 ThyssenKrupp Schulte GmbH, Essen
V 340 voestalpine BÖHLER Edelstahl GmbH & Co.KG, Kapfenberg

Material Compliance

REACh RoHS
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FKM Guideline Fatigue Strength

Semi-finished Product Condition Nominal Size [mm] 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]
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Hardenability (Jominy test)

Condition Front Distance [mm] Hardness HRC
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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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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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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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