25CrMo4 | 1.7218 Material Datasheet - Properties - Materials Portal

25CrMo4 | 1.7218 Material Datasheet

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Material Description

Material NumberMaterial Number (single)StandardRange of ApplicationStandard StatusCountryPredecessorRemark
1.7218 (DIN EN ISO 683-2 : 2018-09) 1.7218 DIN EN ISO 683-2 : 2018-09Supersedes DIN EN 10083-3 : 2007-01ValidGermany25CrMo4Steel 25CrMo4 is applicable for parts of high strength and high ductility requirements and mean and higher heat-treatment cross sections in vehicle manufacturing, engine and machine engineering (e.g. crankshafts, steering knuckles, pinions).

Chemical Composition

C [%]Cr [%]Cu [%]Mn [%]Mo [%]P [%]S [%]Si [%]Source
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Mechanical Properties

Semi-finished ProductConditionNominal Size [mm]Temperature [°C]Tensile Strength [MPa]Yield Strength [MPa]Elongation A [%]Reduction of Area [%]Hardness HB | HBWSourceRemark
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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)]Source
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Young's Modulus [GPa] vs Temperature [°C]

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Mean Coefficient of Thermal Expansion (reference 20°C) [10^-6*K^-1] vs Temperature [°C]

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Differential Coefficient of Thermal Expansion [10^-6*K^-1] vs Temperature [°C]

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Toughness Data (Impact)

Semi-finished ProductConditionNominal Size [mm]Temperature [°C]Specimen ShapeSpecimen DirectionNotch Impact Energy [J]Source
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Heat Treatment

Heat TreatmentStepTemperature [°C]Holding Time [h]MediumSource
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Cross Reference

Material NameCountryStandardSource
30CrMoChinaGB/T 3077Stahlschlüssel 2016, Verlag Stahlschlüssel Wegst GmbH, Marbach
30CrMoChinaGB/T 4373Stahlschlüssel 2016, Verlag Stahlschlüssel Wegst GmbH, Marbach
30CrMoChinaGB/T 11251Stahlschlüssel 2016, Verlag Stahlschlüssel Wegst GmbH, Marbach
30CrMoChinaYB/T 5132Stahlschlüssel 2016, Verlag Stahlschlüssel Wegst GmbH, Marbach
A30302ChinaISCStahlschlüssel 2016, Verlag Stahlschlüssel Wegst GmbH, Marbach
1.7218EuropeEN 10083-3EN ISO 683-2 : 2018-06
25CrMo4EuropeEN 10083-3EN ISO 683-2 : 2018-06
21Cr4Mo2IndiaIS 1570-4Stahlschlüssel 2016, Verlag Stahlschlüssel Wegst GmbH, Marbach
25CrMo4EuropeEN ISO 683-2 
25CrMo4InternationalISO 683-2 
SCM425HJapanJIS G 4052Stahlschlüssel 2016, Verlag Stahlschlüssel Wegst GmbH, Marbach
SCM425JapanJIS G 4053Stahlschlüssel 2016, Verlag Stahlschlüssel Wegst GmbH, Marbach
SCM420South KoreaKS D 3867Stahlschlüssel 2016, Verlag Stahlschlüssel Wegst GmbH, Marbach
SCM430South KoreaKS D 3867Stahlschlüssel 2016, Verlag Stahlschlüssel Wegst GmbH, Marbach
30ChMRussiaGOST 4543Stahlschlüssel 2016, Verlag Stahlschlüssel Wegst GmbH, Marbach
30ХMRussiaГОСТ 4543Stahlschlüssel 2016, Verlag Stahlschlüssel Wegst GmbH, Marbach
A304 Grade 4130HUSAASTM A304Stahlschlüssel 2016, Verlag Stahlschlüssel Wegst GmbH, Marbach
A914 Grade 4130HUSAASTM A914Stahlschlüssel 2016, Verlag Stahlschlüssel Wegst GmbH, Marbach
H41300USAUNSStahlschlüssel 2016, Verlag Stahlschlüssel Wegst GmbH, Marbach

Producer/Supplier/Trade names

TradenameSupplier
25CrMo4AG der Dillinger Hüttenwerke, Dillingen
25CrMo4ASCOMETAL GmbH, Erkrath
F 66 SAUBERT & DUVAL Deutschland GmbH, München
25CrMo4BESSEY Tool GmbH & Co. KG, Bietigheim-Bissingen
BGH 7218BGH Edelstahl Siegen GmbH
Buderus 25CrMo4Buderus Edelstahl GmbH, Wetzlar
BÖHLER V 340voestalpine High Perfomance Metals Deutschland GmbH, Düsseldorf
25CrMo4Chr. Höver & Sohn GmbH & Co KG, Lindlar
1.7218Chr. Höver & Sohn GmbH & Co. KG, Lindlar
25CrMo4Tata Steel, IJmuiden
DIRO-25CrMo4DIROSTAHL, Remscheid
27 CD 4Deutsche Edelstahlwerke Specialty Steel GmbH & Co. KG, Siegen
25CrMo4Deutsche Edelstahlwerke Specialty Steel GmbH & Co. KG, Siegen
THYROFORT 25CrMo4Deutsche Edelstahlwerke Specialty Steel GmbH & Co. KG, Witten
DE 7218Dörrenberg Edelstahl GmbH, Engelskirchen
1.7218ET Edelstahl-Trading GmbH, Willich
25CrMo4EZM Edelstahlzieherei Mark GmbH, Wetter
1.7218Rosswag GmbH, Pfinztal-Kleinsteinbach
25CrMo4Edelstahlwerk C. & F. vom Brocke e.K., Altena-Altroggenrahmede
1.7218Eisen-Heinzl GmbH, Selb-Erkersreuth
25CrMo4Haage Anagramm Technologien GmbH, Mülheim a. d. Ruhr
25CrMo4C.D. Wälzholz GmbH & Co. KG, Hagen
25CrMo4Georgsmarienhütte GmbH, Georgsmarienhütte
25CrMo4Günther + Schramm GmbH, Oberkochen
1.7218H. Kleineberg GmbH, Stelle
25CrMo4HEINE + BEISSWENGER Stiftung + Co.KG, Fellbach
25CrMo4Hagenkötter GmbH & Co., Solingen
25CrMo4Hammerwerk Erft, G. Diederichs GmbH & Co. KG, Bad Münstereifel-Arloff
25CrMo4Hermann Stahlschmidt Stahlgesellschaft m. b. H., Willich
25CrMo4Hoesch Hohenlimburg GmbH, Hagen
1.7218INOX SERVICE CENTER GmbH, Krefeld
1.7218INTERSTAHL Service GmbH, Wetter
25CrMo4Ilsenburger Grobblech GmbH, Ilsenburg
1.7218Imet Industriemetall Handelsgesellschaft mbH, Hamburg
1.7218Kind & Co., Edelstahlwerk, Wiehl
25CrMo4Klöckner & Co SE, Duisburg
1.7218SIJ MWT GmbH, Landsberg am Lech
25CrMo4ORI MARTIN Deutschland GmbH, Duisburg
Ovako 322OVAKO STAHL GmbH, Erkrath
1.7218Platestahl Umformtechnik GmbH, Lüdenscheid
25CrMo4ZAPP AG, Ratingen
25CrMo4Rohrwerk Maxhütte GmbH, Sulzbach-Rosenberg
25CrMo4Swiss Steel International GmbH, Düsseldorf
25CrMo4STM Stahl Vertriebs GmbH, Gräfelfing
25CrMo4Saarstahl AG, Völklingen
25CrMo4Schmiedewerke Gröditz GmbH, Gröditz
V340Stahl Judenburg GmbH, Judenburg
25CrMo4Stahlwerk Annahütte Max Aicher GmbH & Co. KG, Hammerau
CR 25 MAubert&Duval Special Steel GmbH, Mönchengladbach
25CrMo4Stahlwerk Unna GmbH & Co.KG, Unna
25CrMo4Swiss Steel AG, Emmenbrücke
25CrMo4ThyssenKrupp Steel Europe AG, Duisburg
K 2Vallourec Deutschland GmbH, Düsseldorf
25CrMo4Vallourec Deutschland GmbH, Düsseldorf
25CrMo4WDI - Westfälische Drahtindustrie GmbH, Hamm
25CrMo4Walzwerke Einsal GmbH, Nachrodt
1.7218Wilhelm Oberste-Beulmann GmbH & Co. KG, Remscheid
25CrMo4Willy Haecker GmbH, Hückeswagen
25CrMo4pauly STAHLHANDEL, Essen
25CrMo4voestalpine AG, Linz

Material Compliance

REAChRoHS
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FKM Guideline Fatigue Strength

ConditionNominal 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]Constant a for size factor Kd for yield stress RpConstant a for size factor Kd for tensile strength RmSourceRemark
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Hardenability (Jominy test)

ConditionFront Distance [mm]Hardness HRC (+H grade)Hardness HRC (+HH grade)Hardness HRC (+HL grade)Source
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25CrMo4 (1.7218; DIN EN ISO 683-2 : 2018-09)

Linear-elastic

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

Temperature [°C]Stress ratioAlternating stress [MPa]Cycles
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Yield strength

Temperature [°C]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 MaterialSource description
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Designation

DesignationMaterial numberSource
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25CrMo4 (quenched and tempered (+QT); wide flat; 0.000-8.000mm)

Yield strength

Temperature [°C]Yield strength [MPa]
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Tensile strength

Temperature [°C]Tensile strength [MPa]
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Classification

TreatmentSemi-finished productDimension [mm]Source description
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25CrMo4 (quenched and tempered (+QT); wide flat; 8.000-20.000mm)

Yield strength

Temperature [°C]Yield strength [MPa]
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Tensile strength

Temperature [°C]Tensile strength [MPa]
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Classification

TreatmentSemi-finished productDimension [mm]Source description
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25CrMo4 (quenched and tempered (+QT); wide flat; 20.000-60.000mm)

Yield strength

Temperature [°C]Yield strength [MPa]
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Tensile strength

Temperature [°C]Tensile strength [MPa]
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Classification

TreatmentSemi-finished productDimension [mm]Source description
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25CrMo4 (quenched and tempered (+QT); wide flat; 60.000-100.000mm)

Yield strength

Temperature [°C]Yield strength [MPa]
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Tensile strength

Temperature [°C]Tensile strength [MPa]
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Classification

TreatmentSemi-finished productDimension [mm]Source description
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25CrMo4 (quenched and tempered (+QT); drop forging; 0.000-16.000mm)

Yield strength

Temperature [°C]Yield strength [MPa]
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Tensile strength

Temperature [°C]Tensile strength [MPa]
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Classification

TreatmentSemi-finished productDimension [mm]Source description
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25CrMo4 (quenched and tempered (+QT); drop forging; 16.000-40.000mm)

Yield strength

Temperature [°C]Yield strength [MPa]
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Tensile strength

Temperature [°C]Tensile strength [MPa]
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Classification

TreatmentSemi-finished productDimension [mm]Source description
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25CrMo4 (quenched and tempered (+QT); drop forging; 40.000-100.000mm)

Yield strength

Temperature [°C]Yield strength [MPa]
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Tensile strength

Temperature [°C]Tensile strength [MPa]
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Classification

TreatmentSemi-finished productDimension [mm]Source description
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25CrMo4 (quenched and tempered (+QT); drop forging; 100.000-160.000mm)

Yield strength

Temperature [°C]Yield strength [MPa]
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Tensile strength

Temperature [°C]Tensile strength [MPa]
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Classification

TreatmentSemi-finished productDimension [mm]Source description
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25CrMo4 (quenched and tempered (+QT); 16.000mm)

Tensile strength

Temperature [°C]Tensile strength [MPa]
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Classification

TreatmentDimension [mm]Source description
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