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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
1.6526 (DIN EN 10277 : 2018-09) 1.6526 DIN EN 10277 : 2018-09 Supersedes DIN EN 10277-4 : 2008-06 Valid Germany 20NiCrMoS2-2 1)
1) Remark: The case hardening steel 20NiCrMoS2-2 will be delivered as levelled and bright steel sheared to length in the drawn, peeled or grinded condition.

Chemical Composition

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

Semi-finished Product Condition Nominal Size [mm] Hardness HB | HBW
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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)]
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Cross Reference

Material Name Country Standard
20NiCrMoS2-2 Europe EN 10277
20NiCrMoS2 International ISO 683-18 1)
21NiCrMoS2 1)
A108 Grade 8620 USA ASTM A108 1)
8620 USA SAE 1)
G86200 USA UNS 1)
A108 Grade 8620H USA ASTM A108 1)
8620H USA SAE 1)
H86200 USA UNS 1)
A108 Grade 8720 USA ASTM A108 1)
8720 USA SAE 1)
G87200 USA UNS 1)
1) Source: Stahlschlüssel 2016, Verlag Stahlschlüssel Wegst GmbH, Marbach

Material Compliance

REACh RoHS
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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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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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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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