20NiCrMoS2-2 | 1.6526 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
1.6526 (DIN EN ISO 683-3 : 2022-06)	1.6526	DIN EN ISO 683-3 : 2022-06	Supersedes DIN EN ISO 683-3 : 2019-04	Valid	Germany	20NiCrMoS2-2	Steel 20NiCrMoS-2 is suitable for parts in vehicle manufacturing and machine engineering, which are wear loaded at mean core strength, high ductiltity and fatigue strength (e.g gear wheels, shafts, axles). It shows an enhanced workability.

Chemical Composition

C [%]	Cr [%]	Cu [%]	Mn [%]	Mo [%]	Ni [%]	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]	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
20CrNiMoH	China	GB/T 5216	Stahlschlüssel 2019, Verlag Stahlschlüssel Wegst GmbH, Marbach
A50207	China	ISC	Stahlschlüssel 2019, Verlag Stahlschlüssel Wegst GmbH, Marbach
20CrNiMoAH	China	GB/T 5216	Stahlschlüssel 2019, Verlag Stahlschlüssel Wegst GmbH, Marbach
A50205	China	ISC	Stahlschlüssel 2019, Verlag Stahlschlüssel Wegst GmbH, Marbach
1.6526	Europe	EN 10084	EN ISO 683-3:2022-02
20NiCrMo2-2	Europe	EN 10084	EN ISO 683-3:2022-02
20NiCrMo2-2	Europe	EN ISO 683-3
20Ni2Cr2Mo2(-S)	India	IS 4432	Stahlschlüssel 2019, Verlag Stahlschlüssel Wegst GmbH, Marbach
20NiCrMo2-2	International	ISO 683-3
A534 Grade 8620H	USA	ASTM A534	Stahlschlüssel 2019, Verlag Stahlschlüssel Wegst GmbH, Marbach
H86200	USA	UNS	Stahlschlüssel 2019, Verlag Stahlschlüssel Wegst GmbH, Marbach
8620H	USA	AISI	Stahlschlüssel 2019, Verlag Stahlschlüssel Wegst GmbH, Marbach
21NiCrMoS2	Germany		Stahlschlüssel 2019, Verlag Stahlschlüssel Wegst GmbH, Marbach

Producer/Supplier/Trade names

Tradename	Supplier	Source
Carbodur 6526	Deutsche Edelstahlwerke Specialty Steel GmbH & Co. KG, Witten	Stahlschlüssel 2016, Verlag Stahlschlüssel Wegst GmbH, Marbach
20NiCrMoS2-2	Georgsmarienhütte GmbH, Georgsmarienhütte	Stahlschlüssel 2016, Verlag Stahlschlüssel Wegst GmbH, Marbach
20NiCrMoS2-2	HEINE + BEISSWENGER Stiftung + Co.KG, Fellbach	Stahlschlüssel 2016, Verlag Stahlschlüssel Wegst GmbH, Marbach
20NiCrMoS2-2	Saarstahl AG, Völklingen	Stahlschlüssel 2016, Verlag Stahlschlüssel Wegst GmbH, Marbach
20NiCrMoS2-2	Stahlwerk Annahütte Max Aicher GmbH & Co. KG, Hammerau	Stahlschlüssel 2016, Verlag Stahlschlüssel Wegst GmbH, Marbach

Material Compliance

REACh	RoHS
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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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20NiCrMoS2-2 (1.6526; DIN EN ISO 683-3 : 2022-06)

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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20NiCrMoS2-2 (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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20NiCrMoS2-2 (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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20NiCrMoS2-2 (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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20NiCrMoS2-2 (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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20NiCrMoS2-2 (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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20NiCrMoS2-2 (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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20NiCrMoS2-2 | 1.6526 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

Hardenability (Jominy test)

20NiCrMoS2-2 (1.6526; 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

20NiCrMoS2-2 (simulated case-hardened; bar; 11.000mm)

Yield strength

Tensile strength

Classification

20NiCrMoS2-2 (simulated case-hardened; bar; 30.000mm)

Yield strength

Tensile strength

Classification

20NiCrMoS2-2 (simulated case-hardened; bar; 63.000mm)

Yield strength

Tensile strength

Classification

20NiCrMoS2-2 (quenched (+Q); drop forging; 0.000-16.000mm)

Tensile strength

Classification

20NiCrMoS2-2 (quenched (+Q); drop forging; 16.000-40.000mm)

Tensile strength

Classification

20NiCrMoS2-2 (quenched (+Q); drop forging; 40.000-100.000mm)

Tensile strength

Classification

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