34CrMo4 | 1.7220 Material Datasheet - Properties - Materials Portal

34CrMo4 | 1.7220 Material Datasheet

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Material Description

Material NumberMaterial Number (single)StandardRange of ApplicationStandard StatusCountryPredecessorSuccessorRemark
1.7220 (DIN EN 10083-3 : 2007-01) 1.7220 DIN EN 10083-3 : 2007-01DIN EN 10083-3 : 2007-01 replaced by DIN EN ISO 683-2 : 2018-09ReplacedGermany34CrMo434CrMo4Steel 34CrMo4 is suitable for parts with high strength and toughness requirements at mean and higher heat-treatment sections (also large forged parts) in vehicle manufacturing, engine and machine engineering (e.g. shafts, gear wheels, steering knuckles). The steel shows high resistivity to static and dynamic loading.

Chemical Composition

C [%]Cr [%]Mn [%]Mo [%]P [%]S [%]Si [%]SourceRemark
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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 | HBWHardness HVSourceRemark
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Physical Properties

Temperature [°C]Density [g/cm³]Young's Modulus [GPa]Shear Modulus [GPa]Poisson's RatioMean 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)]SourceRemark
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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]SourceRemark
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Heat Treatment

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

Material NameCountryStandardSource
35CrMoChinaGB/T 3077Stahlschlüssel 2016, Verlag Stahlschlüssel Wegst GmbH, Marbach
35CrMoChinaGB/T 4373Stahlschlüssel 2016, Verlag Stahlschlüssel Wegst GmbH, Marbach
35CrMoChinaGB/T 11251Stahlschlüssel 2016, Verlag Stahlschlüssel Wegst GmbH, Marbach
35CrMoChinaYB/T 5132Stahlschlüssel 2016, Verlag Stahlschlüssel Wegst GmbH, Marbach
A30352China Stahlschlüssel 2016, Verlag Stahlschlüssel Wegst GmbH, Marbach
34CrMo4EuropeEN 10083-3 
963IndiaIS 963Stahlschlüssel 2016, Verlag Stahlschlüssel Wegst GmbH, Marbach
34CrMo4InternationalISO 683-2Stahlschlüssel 2016, Verlag Stahlschlüssel Wegst GmbH, Marbach
SCM435HJapanJIS G 4052Stahlschlüssel 2016, Verlag Stahlschlüssel Wegst GmbH, Marbach
35ChMRussiaGOST 4543Stahlschlüssel 2016, Verlag Stahlschlüssel Wegst GmbH, Marbach
35ХMRussiaGOST 4543Stahlschlüssel 2016, Verlag Stahlschlüssel Wegst GmbH, Marbach
SCM435South KoreaKS D 3867Stahlschlüssel 2016, Verlag Stahlschlüssel Wegst GmbH, Marbach
A29 Grade 4135USAASTM A29Stahlschlüssel 2016, Verlag Stahlschlüssel Wegst GmbH, Marbach
A304 Grade 4135HUSAASTM A304Stahlschlüssel 2016, Verlag Stahlschlüssel Wegst GmbH, Marbach
A434 Grade 4135USAASTM A434Stahlschlüssel 2016, Verlag Stahlschlüssel Wegst GmbH, Marbach
H41350USAUNSStahlschlüssel 2016, Verlag Stahlschlüssel Wegst GmbH, Marbach
4135HUSASAEStahlschlüssel 2016, Verlag Stahlschlüssel Wegst GmbH, Marbach

Producer/Supplier/Trade names

TradenameSupplier
G34CrMo4Schmiedewerke Gröditz GmbH, Gröditz
GS-34 CrMo 4voestalpine AG, Linz
SCM 435 HDeutsche Edelstahlwerke Specialty Steel GmbH & Co. KG, Siegen
1.7220Platestahl Umformtechnik GmbH, Lüdenscheid
1.7220H. Kleineberg GmbH, Stelle
1.7220INOX SERVICE CENTER GmbH, Krefeld
1.7220INTERSTAHL Service GmbH, Wetter
1.7220Rosswag GmbH, Pfinztal-Kleinsteinbach
1.7220ET Edelstahl-Trading GmbH, Willich
1.7220Imet Industriemetall Handelsgesellschaft mbH, Hamburg
1.7220SIJ MWT GmbH, Landsberg am Lech
1.7220Wilhelm Oberste-Beulmann GmbH & Co. KG, Remscheid
34CrMo4AG der Dillinger Hüttenwerke, Dillingen
34CrMo4Hoesch Hohenlimburg GmbH, Hagen
34CrMo4ThyssenKrupp Steel Europe AG, Duisburg
34CrMo4Saarstahl AG, Völklingen
34CrMo4Georgsmarienhütte GmbH, Georgsmarienhütte
34CrMo4Hayes-Lemmerz-Werke GmbH, Königswinter
34CrMo4Swiss Steel International GmbH, Düsseldorf
34CrMo4Walzwerke Einsal GmbH, Nachrodt
34CrMo4Willy Haecker GmbH, Hückeswagen
34CrMo4Hagenkötter GmbH & Co., Solingen
34CrMo4Hermann Stahlschmidt Stahlgesellschaft m. b. H., Willich
34CrMo4Stahlwerk Unna GmbH & Co.KG, Unna
34CrMo4ZAPP AG, Ratingen
34CrMo4Haage Anagramm Technologien GmbH, Mülheim a. d. Ruhr
34CrMo4C.D. Wälzholz GmbH & Co. KG, Hagen
34CrMo4WDI - Westfälische Drahtindustrie GmbH, Hamm
34CrMo4Ilsenburger Grobblech GmbH, Ilsenburg
34CrMo4Schmiedewerke Gröditz GmbH, Gröditz
34CrMo4OVAKO STAHL GmbH, Erkrath
34CrMo4Vallourec Deutschland GmbH, Düsseldorf
34CrMo4Stahlwerk Annahütte Max Aicher GmbH & Co. KG, Hammerau
34CrMo4voestalpine AG, Linz
34CrMo4HEINE + BEISSWENGER Stiftung + Co.KG, Fellbach
34CrMo4Tata Steel, IJmuiden
34CrMo4EZM Edelstahlzieherei Mark GmbH, Wetter
34CrMo4ASCOMETAL GmbH, Erkrath
34CrMo4Klöckner & Co SE, Duisburg
34CrMo4Hammerwerk Erft, G. Diederichs GmbH & Co. KG, Bad Münstereifel-Arloff
34CrMo4STM Stahl Vertriebs GmbH, Gräfelfing
34CrMo4Swiss Steel AG, Emmenbrücke
34CrMo4Edelstahlwerk C. & F. vom Brocke e.K., Altena-Altroggenrahmede
34CrMo4ORI MARTIN Deutschland GmbH, Duisburg
34CrMo4pauly STAHLHANDEL, Essen
34CrMo4Deutsche Edelstahlwerke Specialty Steel GmbH & Co. KG, Siegen
BGH 7220BGH Edelstahl Siegen GmbH
BÖHLER V 330voestalpine High Perfomance Metals Deutschland GmbH, Düsseldorf
Buderus 34CrMo4Buderus Edelstahl GmbH, Wetzlar
CR 34 MAubert&Duval Special Steel GmbH, Mönchengladbach
CrMoIIBjörneborg Steel AB, Björneborg, Sweden
DE 7220Dörrenberg Edelstahl GmbH, Engelskirchen
DIRO-34CrMo4DIROSTAHL, Remscheid
F 65AUBERT & DUVAL Deutschland GmbH, München
THYROFORT 34CrMo4Deutsche Edelstahlwerke Specialty Steel GmbH & Co. KG, Witten
VCMo 135BFG Feinguss Niederrhein GmbH, Moers

Material Compliance

REAChRoHS
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FKM Guideline Fatigue Strength

Semi-finished ProductConditionNominal 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)SourceRemark
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Fracture Toughness

Temperature [°C]Yield Strength [MPa]Plane-Strain Fracture Toughness KIc [MPa*m^½]Source
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34CrMo4 (1.7220; DIN EN 10083-3 : 2007-01)

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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34CrMo4 (normalized, normalized and tempered (+N+NT); bar; 8mm; fracture)

Strain life

Temperature [°C]Cyclic fatigue strength coefficient [MPa]Cyclic fatigue strength exponentDuctility coefficient [Pa]Ductility exponentCyclic strength coefficient [MPa]Cyclic strain hardening exponentYoung's modulus [GPa]
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Classification

TreatmentSemi-finished productDimension [mm]Failure criteriaSource description
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34CrMo4 (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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34CrMo4 (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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34CrMo4 (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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34CrMo4 (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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34CrMo4 (quenched and tempered (+QT); wide flat; 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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34CrMo4 (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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34CrMo4 (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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34CrMo4 (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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34CrMo4 (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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34CrMo4 (quenched and tempered (+QT); drop forging; 160.000-250.000mm)

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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34CrMo4 (quenched and tempered (+QT); bar; 16.000mm)

Tensile strength

Temperature [°C]Tensile strength [MPa]
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Classification

TreatmentSemi-finished productDimension [mm]Source description
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