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20NiCrMoS2-2 | 1.6526 Material Datasheet

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Material Description

Material Number Material Number (single) Standard Range of Application Standard Status Country Predecessor Successor
1.6526 (DIN EN ISO 683-3 : 2018-09) 1.6526 DIN EN ISO 683-3 : 2018-09 DIN EN ISO 683-3 : 2018-09 replaced by DIN EN ISO 683-3 : 2019-04 Replaced Germany 20NiCrMoS2-2 20NiCrMoS2-2 1)
1) Remark: 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 [%]
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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
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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)]
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Heat Treatment

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

Material Name Country Standard
20CrNiMoH China GB/T 5216 1)
A50207 China GB/T 5216 1)
20CrNiMoAH China GB/T 5216 1)
A50205 China GB/T 5216 1)
1.6526 Europe EN 10084 2)
20NiCrMo2-2 Europe EN 10084 2)
20NiCrMo2-2 Europe EN ISO 683-3
20Ni2Cr2Mo2(-S) India IS 4432 1)
20NiCrMo2-2 International ISO 683-3
A534 Grade 8620H USA ASTM A534 1)
H86200 USA UNS 1)
8620H USA AISI 1)
21NiCrMoS2 Germany 1)
1) Source: Stahlschlüssel 2016, Verlag Stahlschlüssel Wegst GmbH, Marbach
2) Source: EN ISO 683-3 : 2018-06

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)
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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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Alternating stress

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

Temperature [°C] 0.1% Proof strength [MPa] 0.2% Proof strength [MPa] 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 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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Designation

Designation Material number Source
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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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Yield strength

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

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

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