Compare Plastics, Metals, and More for Construction, Design, and Simulation - Materials Portal Logo MATERIALS PORTAL

34 CrMo 4 | 1.7220 Material Datasheet

Unlock Exclusive Materials Data

Gain access to a wealth of materials data by joining our Materials Portal.

Register for Free or Upgrade for Full Access Best value

Material Description

Material Number Material Name Material Number (single) Standard Scope Standard Status Country Successor VDA 231-106 classification
1.7220 (DIN 1654-4 : 1989-10) 34 CrMo 4 1.7220 DIN 1654-4 : 1989-10 DIN 1654-4 : 1989-10 replaced by DIN EN 10263-4 : 2002-02 Replaced Germany 34CrMo4 1.1.1 1)
1) Remark: The cold-upsettable steel 34 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 hexagon screws and hexagon socket head cap screw of strength class 8.8 in the thick dimension range, of strength class 10.9 in the medium and of strength class 12.9 in the thin dimension range it is used for high-strength parts manufactured according to drawings.

Chemical Composition

C [%] Cr [%] Mn [%] Mo [%] P [%] S [%] Si [%] Remainder
blur blur blur blur blur blur blur blur 1)
1) Source: blur

Material Compliance

REACh RoHS
blur blur

Mechanical Properties

Semi-finished Product Condition Nominal Size [mm] Temperature [°C] Specimen Direction Tensile Strength [MPa] Yield Strength [MPa] Elongation A [%] Reduction of Area [%]
blur blur blur blur blur blur 1)
blur blur blur blur blur blur 1)
blur blur blur blur blur blur 1)
blur blur blur blur blur blur 1)
blur blur blur blur blur blur blur blur blur 1)
blur blur blur blur blur blur blur blur blur 1)
blur blur blur blur blur blur blur blur blur 1)
1) Source: blur

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)]
blur blur blur blur blur blur 1)
blur blur blur blur blur blur 1)
blur blur blur blur blur blur blur blur blur blur 1)
blur blur blur blur blur blur blur blur blur 1)
blur blur blur blur blur blur blur blur blur 1)
blur blur blur blur blur blur blur blur blur 1)
blur blur blur blur blur blur blur blur blur 1)
blur blur blur blur blur blur blur blur blur 1)
blur blur blur blur blur blur blur blur blur 1)
blur blur 2)3)
blur blur blur blur 4)5)
blur blur blur blur 4)5)
blur blur blur blur 4)5)
blur blur blur blur 4)5)
blur blur blur blur 4)5)
blur blur blur blur 4)5)
1) Source: blur
2) Source: blur
3) Remark: blur
4) Source: blur
5) Remark: blur

Toughness Data (Impact)

Condition Nominal Size [mm] Temperature [°C] Specimen Shape Specimen Direction Notch Impact Energy [J]
blur blur blur blur blur blur 1)2)
blur blur blur blur blur blur 1)2)
blur blur blur blur blur blur 1)2)
blur blur blur blur blur blur 1)2)
blur blur blur blur blur blur 1)2)
blur blur blur blur blur blur 1)2)
1) Source: blur
2) Remark: blur

Hardenability (Jominy test)

Condition Front Distance [mm] Hardness HRC
blur blur blur 1)2)
blur blur blur 1)2)
blur blur blur 1)2)
blur blur blur 1)2)
blur blur blur 1)2)
blur blur blur 1)2)
blur blur blur 1)2)
blur blur blur 1)2)
blur blur blur 1)2)
blur blur blur 1)2)
blur blur blur 1)2)
blur blur blur 1)2)
blur blur blur 1)2)
blur blur blur 1)2)
blur blur blur 1)2)
1) Source: blur
2) Remark: blur

Heat Treatment

Heat Treatment Step Temperature [°C] Medium
blur blur blur blur 1)2)
blur blur blur 1)2)
blur blur blur 1)2)
1) Source: blur
2) Remark: blur

Cross Reference

Material Name Country Standard
34 CrMo 4 Belgium NBN 253-03
ML 35 CrMo China GB 6478
15131 Czech Republik/Slovakia CSN 415131
38 CD 4 France NF A 35-557
708 M 32 Great Britain BS 970/1
35 ChM Russia GOST 4543
C 31 International ISO 4954-79
34 CrMo 4 KB Italy UNI 7356
SCM 435 Japan JIS G 4105
35 HM Poland PN H-84030/04
2234 Sweden MNC 852 E
F.1254-35CrMo4DF Spain UNE 36-034
4137 USA ASTM A 322
34CrMo4 Germany DIN EN 10263-4

Producer/Supplier/Trade names

Tradename Supplier
1.7220 Chronimo Edelstahl GmbH, Barsbüttel
34 CrMo 4 AG der Dillinger Hüttenwerke, Dillingen
34 CrMo 4 ArcelorMittal Commercial Germany, Cologne
34 CrMo 4 Hoesch Hohenlimburg GmbH, Hagen
34 CrMo 4 Salzgitter Flachstahl GmbH, Salzgitter
34 CrMo 4 ThyssenKrupp Steel Europe AG, Duisburg
34 CrMo 4 voestalpine AG, Linz
34 CrMo 4 Saarstahl AG, Völklingen
34 CrMo 4 Georgsmarienhütte GmbH, Georgsmarienhütte
34 CrMo 4 Hayes-Lemmerz-Werke GmbH, Königswinter
34 CrMo 4 Swiss Steel International GmbH, Düsseldorf
34 CrMo 4 Dörrenberg Edelstahl GmbH, Engelskirchen
34 CrMo 4 Walzwerke Einsal GmbH, Nachrodt
34 CrMo 4 Willy Haecker GmbH, Hückeswagen
34 CrMo 4 Hagenkötter GmbH & Co., Solingen
34 CrMo 4 Chr. Höver & Sohn GmbH & Co KG, Lindlar
34 CrMo 4 Platestahl Umformtechnik GmbH, Lüdenscheid
34 CrMo 4 Hermann Stahlschmidt Stahlgesellschaft m. b. H., Willich
34 CrMo 4 Stahlwerk Unna GmbH & Co.KG, Unna
34 CrMo 4 SHW AG, Aalen
34 CrMo 4 ZAPP AG, Ratingen
34 CrMo 4 Haage Anagramm Technologien GmbH, Mülheim a. d. Ruhr
34 CrMo 4 Bochumer Verein Verkehrstechnik GmbH, Bochum
34 CrMo 4 ArcelorMittal Stahlhandel GmbH, Niederlassung Ravené, Berlin
34 CrMo 4 C.D. Wälzholz GmbH & Co. KG, Hagen
34 CrMo 4 Stahlrump GmbH & Co.KG, Iserlohn
34 CrMo 4 Böllinghaus Steel GmbH, Hilden
34 CrMo 4 Vallourec Deutschland GmbH, Düsseldorf
34 CrMo 4 ROPA STAHLVERTRIEB GMBH, Bad Bergzabern
34 CrMo 4 Vallourec Deutschland GmbH, Mülheim
34 CrMo 4 Stahlwerk Bous GmbH, Bous
34 CrMo 4 BÖHLER V 330 voestalpine High Perfomance Metals Deutschland GmbH, Düsseldorf
Almenit 7220 Almenit, Mittelberg
BGH 7220 BGH Edelstahl Siegen GmbH
Buderus 34 CrMo 4 Buderus Edelstahl GmbH, Wetzlar
DIRO-34 CrMo 4 DIROSTAHL, Remscheid
Eschmann 7220 EschmannStahl GmbH, Reichshof-Wehnrath
Klöckner 34 CrMo 4 Klöckner & Co SE, Duisburg
OVAKO 323 A OVAKO STAHL GmbH, Erkrath
SHG 7220 Swiss Steel International GmbH, Düsseldorf
TS 34 CrMo 4 ThyssenKrupp Schulte GmbH, Essen
V 330 voestalpine BÖHLER Edelstahl GmbH & Co.KG, Kapfenberg

Classification

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

Density

Temperature [°C] Density [g/cm³]
blur blur

Linear-elastic

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

Yield strength

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

Tensile strength

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

Alternating stress

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

Coefficient thermal expansion

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

Specific heat

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

Thermal conductivity

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

Electrical resistivity

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

Designation

Designation Material number Source
blur blur blur
blur blur
blur blur
blur blur
blur blur
blur blur
blur blur
blur blur
blur blur
blur blur
blur blur
blur blur
blur blur
blur blur
blur blur
blur blur
blur blur
blur blur
blur blur
blur blur
blur blur
blur blur
blur blur
blur blur
blur blur
blur blur
blur blur
blur blur
blur blur
blur blur
blur blur
blur blur
blur blur
blur blur
blur blur
blur blur
blur blur
blur blur
blur blur
blur blur
blur blur
blur blur
blur blur
blur blur
blur blur
blur blur
blur blur
blur blur
blur blur
blur blur
blur blur
blur blur
blur blur
blur blur
blur blur
blur blur
blur blur

Classification

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

Tensile strength

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

Classification

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

Tensile strength

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

Classification

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

Tensile strength

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

Classification

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

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]
blur blur blur blur blur blur blur blur

Classification

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

Yield strength

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

Tensile strength

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

Classification

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

Yield strength

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

Tensile strength

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

Classification

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

Yield strength

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

Tensile strength

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

Similar Materials

Diagram Settings
Diagram Preview
Select properties and click "Preview Diagram"