20MnCr5 | 1.7147 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	Predecessor	Remark
1.7147 (DIN EN ISO 683-3 : 2022-06)	1.7147	DIN EN ISO 683-3 : 2022-06	Supersedes DIN EN ISO 683-3 : 2019-04	Valid	Germany	20MnCr5	Steel 20MnCr5 is compared to 16MnCr5 suitable for higher dimension parts of higher core strength and favorable ductility qualities in vehicle manufacturing and machine engineering (gears, joint parts, gear wheels, bolts).

Chemical Composition

C [%]	Cr [%]	Cu [%]	Mn [%]	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]	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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Heat Treatment

Heat Treatment	Step	Temperature [°C]	Holding Time [h]	Source
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Cross Reference

Material Name	Country	Standard	Source
5120	Australia	AS 1444	Stahlschlüssel 2019, Verlag Stahlschlüssel Wegst GmbH, Marbach
5120H	Australia	AS 1444	Stahlschlüssel 2019, Verlag Stahlschlüssel Wegst GmbH, Marbach
20CrMnH	China	GB/T 5216	EN ISO 683-3:2022-02
A22205	China	ISC	Stahlschlüssel 2019, Verlag Stahlschlüssel Wegst GmbH, Marbach
20MnCr5	Germany	DIN 743-3
1.7147	Europe	EN 10084	EN ISO 683-3:2022-02
20MnCr5	Europe	EN 10084	EN ISO 683-3:2022-02
20MnCr5	Europe	EN ISO 683-3
20Mn5Cr5(-S)	India	IS 4432	Stahlschlüssel 2019, Verlag Stahlschlüssel Wegst GmbH, Marbach
20MnCr5	International	ISO 683-3
SMnC420H	Japan	JIS G 4052	Stahlschlüssel 2019, Verlag Stahlschlüssel Wegst GmbH, Marbach
18ChG	Russia	GOST 4543	Stahlschlüssel 2019, Verlag Stahlschlüssel Wegst GmbH, Marbach
18ХГ	Russia	ГОСТ 4543	Stahlschlüssel 2019, Verlag Stahlschlüssel Wegst GmbH, Marbach
SMnC420H	South Korea	KS D 3754	Stahlschlüssel 2019, Verlag Stahlschlüssel Wegst GmbH, Marbach
A434 Grade 5120	USA	ASTM A434	Stahlschlüssel 2019, Verlag Stahlschlüssel Wegst GmbH, Marbach
G51200	USA	UNS	Stahlschlüssel 2019, Verlag Stahlschlüssel Wegst GmbH, Marbach
5120	USA	SAE	Stahlschlüssel 2019, Verlag Stahlschlüssel Wegst GmbH, Marbach

Producer/Supplier/Trade names

Tradename	Supplier	Source
BGH 7147	BGH Edelstahl Siegen GmbH	Stahlschlüssel 2016, Verlag Stahlschlüssel Wegst GmbH, Marbach
Carbodur 7147	Deutsche Edelstahlwerke Specialty Steel GmbH & Co. KG, Witten	Stahlschlüssel 2016, Verlag Stahlschlüssel Wegst GmbH, Marbach
20MnCr5	Georgsmarienhütte GmbH, Georgsmarienhütte	Stahlschlüssel 2016, Verlag Stahlschlüssel Wegst GmbH, Marbach
20MnCr5	HEINE + BEISSWENGER Stiftung + Co.KG, Fellbach	Stahlschlüssel 2016, Verlag Stahlschlüssel Wegst GmbH, Marbach
20MnCr5	Saarstahl AG, Völklingen	Stahlschlüssel 2016, Verlag Stahlschlüssel Wegst GmbH, Marbach
1.7147	Schmiedewerke Gröditz GmbH, Gröditz	Stahlschlüssel 2016, Verlag Stahlschlüssel Wegst GmbH, Marbach
20MnCr5	Stahlwerk Annahütte Max Aicher GmbH & Co. KG, Hammerau	Stahlschlüssel 2016, Verlag Stahlschlüssel Wegst GmbH, Marbach
20MnCr5	ThyssenKrupp Schulte GmbH, Essen	Stahlschlüssel 2016, Verlag Stahlschlüssel Wegst GmbH, Marbach

Material Compliance

REACh	RoHS
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FKM Guideline Fatigue Strength

Semi-finished Product	Condition	Nominal Size [mm]	Temperature [°C]	Number of Cycles	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 Rp	Constant a for size factor Kd for tensile strength Rm	Source	Remark
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Hardenability (Jominy test)

Condition	Front Distance [mm]	Hardness HRC (+H grade)	Hardness HRC (+HH grade)	Hardness HRC (+HL grade)	Source
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20MnCr5 (1.7147; DIN EN ISO 683-3 : 2022-06)

Linear-elastic

Temperature [°C]	Young's 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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20MnCr5 (simulated case-hardened; bar; 11.000mm)

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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20MnCr5 (simulated case-hardened; bar; 30.000mm)

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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20MnCr5 (simulated case-hardened; bar; 63.000mm)

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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20MnCr5 (quenched (+Q); drop forging; 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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20MnCr5 (quenched (+Q); drop forging; 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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20MnCr5 (quenched (+Q); drop forging; 40.000-100.000mm)

Tensile strength

Temperature [°C]	Tensile strength [MPa]
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Classification

Treatment	Semi-finished product	Dimension [mm]	Source description
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20MnCr5 (simulated case-hardened; bar; 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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20MnCr5 | 1.7147 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]

Heat Treatment

Cross Reference

Producer/Supplier/Trade names

Material Compliance

FKM Guideline Fatigue Strength

Hardenability (Jominy test)

20MnCr5 (1.7147; DIN EN ISO 683-3 : 2022-06)

Linear-elastic

Alternating stress

Yield strength

Electrical resistivity

Coefficient thermal expansion

Specific heat

Density

Tensile strength

Thermal conductivity

Classification

Designation

20MnCr5 (simulated case-hardened; bar; 11.000mm)

Yield strength

Tensile strength

Classification

20MnCr5 (simulated case-hardened; bar; 30.000mm)

Yield strength

Tensile strength

Classification

20MnCr5 (simulated case-hardened; bar; 63.000mm)

Yield strength

Tensile strength

Classification

20MnCr5 (quenched (+Q); drop forging; 0.000-16.000mm)

Tensile strength

Classification

20MnCr5 (quenched (+Q); drop forging; 16.000-40.000mm)

Tensile strength

Classification

20MnCr5 (quenched (+Q); drop forging; 40.000-100.000mm)

Tensile strength

Classification

20MnCr5 (simulated case-hardened; bar; 16.000mm)

Tensile strength

Classification

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