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34CrMo4 | 1.7220 Material Datasheet

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Material Description

Material Number Material Name Material Number (single) Standard Scope Standard Status Country Predecessor Successor VDA 231-106 classification
1.7220 (DIN EN 10263-4 : 2002-02) 34CrMo4 1.7220 DIN EN 10263-4 : 2002-02 DIN EN 10263-4 : 2002-02 replaced by DIN EN 10263-4 : 2018-02 Replaced Germany 34 CrMo 4 34CrMo4 1.1.1 1)
1) Remark: The cold-upsettable steel 25 CrMo 4 can be cold-formed with a medium to high rate of forming according to the usual forming methods on single-stage and multi-stage presses. It is used for screws and pressed parts of strength class in the medium dimension range.

Chemical Composition

C [%] Cr [%] Cu [%] Mn [%] Mo [%] P [%] S [%] Si [%] Remainder
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Material Compliance

REACh RoHS
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Mechanical Properties

Semi-finished Product Condition Nominal Size [mm] Temperature [°C] Tensile Strength [MPa] Reduction of Area [%]
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Physical Properties

Temperature [°C] Density [g/cm³] Young's Modulus [GPa] Shear Modulus [GPa] Poisson's Ratio 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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Hardenability (Jominy test)

Condition Front Distance [mm] Hardness HRC (+H grade) Hardness HRC (+HH grade) Hardness HRC (+HL grade)
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Fracture Toughness

Temperature [°C] Yield Strength [MPa] Plane-Strain Fracture Toughness KIc [MPa*m^½]
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Cross Reference

Material Name Country Standard
ML35CrMoA China GB/T 5954
A30354 China GB/T 5954
ML35CrMo China GB/T 6478
A30354 China GB/T 6478
34CrMo4E International ISO 4954
SCM435HRCH Japan JIS G 3509-1
SCM435RCH Japan JIS G 3509-1
SCM435WCH Japan JIS G 3509-2
4135 USA SAE
G41350 USA UNS

Producer/Supplier/Trade names

Tradename Supplier
34 CrMoB 4 Saarstahl AG, Völklingen
G34CrMo4 Schmiedewerke Gröditz GmbH, Gröditz
GS-34 CrMo 4 voestalpine AG, Linz
SCM 435 H Deutsche Edelstahlwerke Specialty Steel GmbH & Co. KG, Witten
1.7220 H. Kleineberg GmbH, Stelle
1.7220 INOX SERVICE CENTER GmbH, Krefeld
1.7220 INTERSTAHL Service GmbH, Wetter
1.7220 Rosswag GmbH, Pfinztal-Kleinsteinbach
1.7220 SIJ MWT GmbH, Landsberg am Lech
34CrMo4 AG der Dillinger Hüttenwerke, Dillingen
34CrMo4 Hoesch Hohenlimburg GmbH, Hagen
34CrMo4 Salzgitter Flachstahl GmbH, Salzgitter
34CrMo4 ThyssenKrupp Steel Europe AG, Duisburg
34CrMo4 Saarstahl AG, Völklingen
34CrMo4 Georgsmarienhütte GmbH, Georgsmarienhütte
34CrMo4 Buderus Edelstahl GmbH, Wetzlar
34CrMo4 Swiss Steel International GmbH, Düsseldorf
34CrMo4 Dörrenberg Edelstahl GmbH, Engelskirchen
34CrMo4 Walzwerke Einsal GmbH, Nachrodt
34CrMo4 Willy Haecker GmbH, Hückeswagen
34CrMo4 Hagenkötter GmbH & Co., Solingen
34CrMo4 Chr. Höver & Sohn GmbH & Co KG, Lindlar
34CrMo4 Hermann Stahlschmidt Stahlgesellschaft m. b. H., Willich
34CrMo4 Stahlwerk Unna GmbH & Co.KG, Unna
34CrMo4 ZAPP AG, Ratingen
34CrMo4 Haage Anagramm Technologien GmbH, Mülheim a. d. Ruhr
34CrMo4 C.D. Wälzholz GmbH & Co. KG, Hagen
34CrMo4 Stahlrump GmbH & Co.KG, Iserlohn
34CrMo4 Böllinghaus Steel GmbH, Hilden
34CrMo4 WDI - Westfälische Drahtindustrie GmbH, Hamm
34CrMo4 Schmiedewerke Gröditz GmbH, Gröditz
34CrMo4 ROPA STAHLVERTRIEB GMBH, Bad Bergzabern
34CrMo4 Vallourec Deutschland GmbH, Düsseldorf
34CrMo4 Stahlwerk Annahütte Max Aicher GmbH & Co. KG, Hammerau
34CrMo4 voestalpine AG, Linz
34CrMo4 Enpar Sonderwerkstoffe GmbH, Gummersbach
34CrMo4 HEINE + BEISSWENGER Stiftung + Co.KG, Fellbach
34CrMo4 Tata Steel, IJmuiden
34CrMo4 EZM Edelstahlzieherei Mark GmbH, Wetter
34CrMo4 Deutsche Edelstahlwerke Specialty Steel GmbH & Co. KG, Witten
34CrMo4 Sidenor Deutschland, Düsseldorf
34CrMo4 ASCOMETAL GmbH, Erkrath
34CrMo4 Hammerwerk Erft, G. Diederichs GmbH & Co. KG, Bad Münstereifel-Arloff
34CrMo4 STM Stahl Vertriebs GmbH, Gräfelfing
34CrMo4 Swiss Steel AG, Emmenbrücke
34CrMo4 pauly STAHLHANDEL, Essen
34CrMo4 Ruukki Deutschland GmbH, Duisburg
BGH 7220 BGH Edelstahl Siegen GmbH
BÖHLER V 330 voestalpine High Perfomance Metals Deutschland GmbH, Düsseldorf
BÖHLER V330 voestalpine BÖHLER Edelstahl GmbH & Co.KG, Kapfenberg
Buderus VCMo 135 BFG Feinguss Niederrhein GmbH, Moers
CR 34 M Aubert&Duval Special Steel GmbH, Mönchengladbach
CrMoII Björneborg Steel AB, Björneborg, Sweden
DIRO-34CrMo4 DIROSTAHL, Remscheid
F 65 AUBERT & DUVAL Deutschland GmbH, München
Klöckner 34CrMo4 Klöckner & Co SE, Duisburg
OVAKO 323 A OVAKO STAHL GmbH, Erkrath
Plate 34CrMo4 Platestahl Umformtechnik GmbH, Lüdenscheid
ROSTENIT 1.7220 ET Edelstahl-Trading GmbH, Willich
THYROFORT 34CrMo4 Deutsche Edelstahlwerke Specialty Steel GmbH & Co. KG, Witten
TS 34 CrMo 4 ThyssenKrupp Schulte GmbH, Essen

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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Density

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

Temperature [°C] Tensile strength [MPa]
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Alternating stress

Temperature [°C] Stress ratio Mean stress [MPa] Alternating stress [MPa] Cycles
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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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Thermal conductivity

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

Temperature [°C] Specific electrical resistance [µΩm]
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Designation

Designation Material number Source
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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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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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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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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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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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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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Strain life

Temperature [°C] Static hardening coefficient [MPa] Static hardening exponent Cyclic fatigue strength coefficient [MPa] Cyclic fatigue strength exponent Ductility coefficient [Pa] Ductility exponent Cyclic strength coefficient [MPa] Cyclic strain hardening exponent Young's modulus [GPa]
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