DIN 1652-3 Grade 20CrS4 cold drawn

DIN 1652-3 Grade 20CrS4 cold drawn

DIN 1652-3 Grade 20CrS4 cold drawn introduction

The steel 20 CrS 4 is used for high wear loaded and better machinable parts in the vehicle and mechanical engineering (e.g. camshafts, piston pins, gears).
The lowest application amounts to -25 °C, the best application from 5 to 10 mm nominal size.

Equivalent material: ISO 20CrS4, DIN 1.7028, JIS SCr22H, JIS SCr420H, JIS SCr420, EN 20CrS4, EN 1.7028

DIN 1652-3 Grade 20CrS4 cold drawn general

Property Temperature Value
Density 20.0 °C Density of 7.83 g/cm³

DIN 1652-3 Grade 20CrS4 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 45.1 W/(m·K) -
- 100.0 °C Thermal conductivity of 45.1 W/(m·K) -
- 200.0 °C Thermal conductivity of 44.1 W/(m·K) -
- 300.0 °C Thermal conductivity of 41.9 W/(m·K) -
- 400.0 °C Thermal conductivity of 39.4 W/(m·K) -
- 500.0 °C Thermal conductivity of 36.9 W/(m·K) -
- 600.0 °C Thermal conductivity of 34.4 W/(m·K) -
Thermal diffusivity 20.0 °C Thermal diffusivity of 12.5 mm²/s -
- 100.0 °C Thermal diffusivity of 11.6 mm²/s -
- 200.0 °C Thermal diffusivity of 10.6 mm²/s -
- 300.0 °C Thermal diffusivity of 9.5 mm²/s -
- 400.0 °C Thermal diffusivity of 8.4 mm²/s -
- 500.0 °C Thermal diffusivity of 7.1 mm²/s -
- 600.0 °C Thermal diffusivity of 5.8 mm²/s -

DIN 1652-3 Grade 20CrS4 cold drawn chemical

Property Value
Carbon Carbon of 0.17 - 0.23 %
Chromium Chromium of 0.9 - 1.2 %
Manganese Manganese of 0.6 - 0.9 %
Phosphorus Phosphorus of 0.04 %
Silicon Silicon of 0.4 %
Sulfur Sulfur of 0.02 - 0.035 %

DIN 1652-3 Grade 20CrS4 cold drawn electrical

Property Temperature Value
Electrical resistivity 20.0 °C Electrical resistivity of 2.31E-7 Ω·m
- 100.0 °C Electrical resistivity of 2.84E-7 Ω·m
- 200.0 °C Electrical resistivity of 3.58E-7 Ω·m
- 300.0 °C Electrical resistivity of 4.48E-7 Ω·m
- 400.0 °C Electrical resistivity of 5.52E-7 Ω·m
- 500.0 °C Electrical resistivity of 6.71E-7 Ω·m
- 600.0 °C Electrical resistivity of 8.06E-7 Ω·m

DIN 1652-3 Grade 20CrS4 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 750 - 820 MPa

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