34 CrMo 4 | 1.7220 Material Datasheet

Material Test Series Values

Material Standard Values

Material Models for Simulation

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Material Description

Material Number	Material Number (single)	Standard	Range of Application	Standard Status	Country	Remark	Application temperature [°C]
1.7220 (DIN 1652-4 : 1990-11)	1.7220	DIN 1652-4 : 1990-11	DIN 1652-4 : 1990-11 replaced by DIN EN 10277-5 : 1999-10	Replaced	Germany	Steel 34 CrMo 4 is suitable for parts of high strength and ductility requirements at mean and higher heat-treatment sections (also heavy forged parts) in vehicle manufacturing, engine and machine engineering (e.g. shafts, wheel gears, steering knuckles). The steel shows a high specific mechanical resistance to static and dynamic load. Lowest application temp. -40 °C.	≥ -40

Chemical Composition

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

Semi-finished Product	Condition	Nominal Size [mm]	Temperature [°C]	Tensile Strength [MPa]	Yield Strength [MPa]	Elongation A [%]	Reduction of Area [%]	Hardness HB \| HBW	Source	Remark
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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)]	Source	Remark
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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 Product	Condition	Nominal Size [mm]	Temperature [°C]	Specimen Shape	Notch Impact Energy [J]	Source	Remark
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Cross Reference

Material Name	Country	Standard
34 CrMo 4	Belgium	NBN 253-02
35CrMo	China	GB 3077
34 CD 4	France	NF A 35-552
708 M 32	Great Britain	BS 970/1
35 ChM	Russia	GOST 4543
34 CrMo 4	International	ISO 683/1-87
35 CrMo 4	Italy	UNI 7845
SCM 435	Japan	JIS G 4105
35 HM	Poland	PN H-84030/04
2234	Sweden	MNC 852 E
F.1250-35 CrMo 4	Spain	UNE 36-012
4137	USA	ASTM A 322

Producer/Supplier/Trade names

Tradename	Supplier
34 CrMo 4	HEINE + BEISSWENGER Stiftung + Co.KG, Fellbach

Material Compliance

REACh	RoHS
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34 CrMo 4 (1.7220; DIN 1652-4 : 1990-11)

Linear-elastic

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

Temperature [°C]	Stress ratio	Alternating 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 Material	Source description
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Designation

Designation	Material number	Source
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34 CrMo 4 (normalized, normalized and tempered (+N+NT); bar; 8mm; fracture)

Strain life

Temperature [°C]	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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Classification

Treatment	Semi-finished product	Dimension [mm]	Failure criteria	Source description
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34 CrMo 4 (cold drawn or turned and quenched and tempered; bright steel; 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

Treatment	Semi-finished product	Dimension [mm]	Source description
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34 CrMo 4 (cold drawn or turned and quenched and tempered; bright steel; 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

Treatment	Semi-finished product	Dimension [mm]	Source description
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34 CrMo 4 (cold drawn or turned and quenched and tempered; bright steel; 40.000-80.000mm)

Yield strength

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

Temperature [°C]	Tensile strength [MPa]
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Classification

Treatment	Semi-finished product	Dimension [mm]	Source description
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34 CrMo 4 (cold drawn; bright steel; 0.000-16.000mm)

Tensile strength

Temperature [°C]	Tensile strength [MPa]
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Classification

Treatment	Semi-finished product	Dimension [mm]	Source description
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34 CrMo 4 (cold drawn; bright steel; 16.000-40.000mm)

Tensile strength

Temperature [°C]	Tensile strength [MPa]
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Classification

Treatment	Semi-finished product	Dimension [mm]	Source description
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34 CrMo 4 (cold drawn; bright steel; 40.000-80.000mm)

Tensile strength

Temperature [°C]	Tensile strength [MPa]
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Classification

Treatment	Semi-finished product	Dimension [mm]	Source description
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34 CrMo 4 | 1.7220 Material Datasheet

Material Test Series Values

Material Standard Values

Material Models for Simulation

Material Description

Chemical Composition

Mechanical Properties

Physical Properties

Young's Modulus [GPa] vs Temperature [°C]

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

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

Toughness Data (Impact)

Cross Reference

Producer/Supplier/Trade names

Material Compliance

34 CrMo 4 (1.7220; DIN 1652-4 : 1990-11)

Linear-elastic

Alternating stress

Yield strength

Electrical resistivity

Coefficient thermal expansion

Specific heat

Density

Tensile strength

Thermal conductivity

Classification

Designation

34 CrMo 4 (normalized, normalized and tempered (+N+NT); bar; 8mm; fracture)

Strain life

Classification

34 CrMo 4 (cold drawn or turned and quenched and tempered; bright steel; 0.000-16.000mm)

Yield strength

Tensile strength

Classification

34 CrMo 4 (cold drawn or turned and quenched and tempered; bright steel; 16.000-40.000mm)

Yield strength

Tensile strength

Classification

34 CrMo 4 (cold drawn or turned and quenched and tempered; bright steel; 40.000-80.000mm)

Yield strength

Tensile strength

Classification

34 CrMo 4 (cold drawn; bright steel; 0.000-16.000mm)

Tensile strength

Classification

34 CrMo 4 (cold drawn; bright steel; 16.000-40.000mm)

Tensile strength

Classification

34 CrMo 4 (cold drawn; bright steel; 40.000-80.000mm)

Tensile strength

Classification

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