DIN 1652-3 Grade 20MnCrS5 cold drawn

DIN 1652-3 Grade 20MnCrS5 cold drawn

DIN 1652-3 Grade 20MnCrS5 cold drawn introduction

The steel 20 MnCrS 5 in opposite to 20 MnCr 5 is used for larger parts with higher core strength and better machinability in the vehicle and mechanical engineering (e.g. gearboxes, joint parts, gears, bolts).
The lowest application amounts to -25 °C, the best application up to 80 mm nominal size.

Equivalent material: ISO 20MnCrS5, DIN 1.7149, DIN 16MnCr5E, AFNOR 20MC5, UNI 20MnCr5, AISI 5120, AISI 4820, SAE 5120, SAE 4820, JIS SMnC420H, EN 20MnCrS5, EN 16MnCr5E, EN 1.7149, UNS G48200

DIN 1652-3 Grade 20MnCrS5 cold drawn general

Property Temperature Value
Density 20.0 °C Density of 7.85 g/cm³

DIN 1652-3 Grade 20MnCrS5 cold drawn thermal

Property Temperature Value Comment
Coefficient of thermal expansion -100.0 °C Coefficient of thermal expansion of 1.05E-5 1/K -
- 20.0 °C Coefficient of thermal expansion of 1.15E-5 1/K -
- 100.0 °C Coefficient of thermal expansion of 1.21E-5 1/K -
- 200.0 °C Coefficient of thermal expansion of 1.27E-5 1/K -
- 300.0 °C Coefficient of thermal expansion of 1.32E-5 1/K -
- 400.0 °C Coefficient of thermal expansion of 1.36E-5 1/K -
- 500.0 °C Coefficient of thermal expansion of 1.4E-5 1/K -
- 600.0 °C Coefficient of thermal expansion of 1.44E-5 1/K -
Max service temperature, long - Max service temperature, long of -25 - 0 °C -
Melting point - Melting point of 1382 - 1529 °C Typical for Chromium Steel
Specific heat capacity -100.0 °C Specific heat capacity of 423 J/(kg·K) -
- 20.0 °C Specific heat capacity of 461 J/(kg·K) -
- 100.0 °C Specific heat capacity of 479 J/(kg·K) -
- 200.0 °C Specific heat capacity of 499 J/(kg·K) -
- 300.0 °C Specific heat capacity of 517 J/(kg·K) -
- 400.0 °C Specific heat capacity of 536 J/(kg·K) -
- 500.0 °C Specific heat capacity of 558 J/(kg·K) -
- 600.0 °C Specific heat capacity of 587 J/(kg·K) -
Thermal conductivity 20.0 °C Thermal conductivity of 45.9 W/(m·K) -
- 100.0 °C Thermal conductivity of 46.4 W/(m·K) -
- 200.0 °C Thermal conductivity of 45.6 W/(m·K) -
- 300.0 °C Thermal conductivity of 43.5 W/(m·K) -
- 400.0 °C Thermal conductivity of 40.9 W/(m·K) -
- 500.0 °C Thermal conductivity of 38.2 W/(m·K) -
- 600.0 °C Thermal conductivity of 35.5 W/(m·K) -
Thermal diffusivity 20.0 °C Thermal diffusivity of 12.7 mm²/s -
- 100.0 °C Thermal diffusivity of 12 mm²/s -
- 200.0 °C Thermal diffusivity of 11 mm²/s -
- 300.0 °C Thermal diffusivity of 9.9 mm²/s -
- 400.0 °C Thermal diffusivity of 8.7 mm²/s -
- 500.0 °C Thermal diffusivity of 7.3 mm²/s -
- 600.0 °C Thermal diffusivity of 6 mm²/s -

DIN 1652-3 Grade 20MnCrS5 cold drawn chemical

Property Value
Carbon Carbon of 0.17 - 0.22 %
Chromium Chromium of 1 - 1.3 %
Manganese Manganese of 1.1 - 1.4 %
Phosphorus Phosphorus of 0.04 %
Silicon Silicon of 0.4 %
Sulfur Sulfur of 0.02 - 0.035 %

DIN 1652-3 Grade 20MnCrS5 cold drawn electrical

Property Temperature Value
Electrical resistivity 20.0 °C Electrical resistivity of 2.27E-7 Ω·m
- 100.0 °C Electrical resistivity of 2.76E-7 Ω·m
- 200.0 °C Electrical resistivity of 3.46E-7 Ω·m
- 300.0 °C Electrical resistivity of 4.31E-7 Ω·m
- 400.0 °C Electrical resistivity of 5.32E-7 Ω·m
- 500.0 °C Electrical resistivity of 6.48E-7 Ω·m
- 600.0 °C Electrical resistivity of 7.81E-7 Ω·m

DIN 1652-3 Grade 20MnCrS5 cold drawn mechanical

Property Temperature Value
Elastic modulus -100.0 °C Elastic modulus of 217 GPa
- 20.0 °C Elastic modulus of 212 GPa
- 100.0 °C Elastic modulus of 207 GPa
- 200.0 °C Elastic modulus of 199 GPa
- 300.0 °C Elastic modulus of 192 GPa
- 400.0 °C Elastic modulus of 184 GPa
- 500.0 °C Elastic modulus of 175 GPa
- 600.0 °C Elastic modulus of 164 GPa
Poisson's ratio 20.0 °C Poisson's ratio of 0.28 [-]
Tensile strength 20.0 °C Tensile strength of 780 - 850 MPa

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