EN 10277-5 Grade 41CrS4 cold drawn or turned and quenched and tempered

EN 10277-5 Grade 41CrS4 cold drawn or turned and quenched and tempered introduction

Steel 41 CrS 4 is suitable for mean loaded parts of mean heat-treatment sections and enhanced workability in vehicle manufacturing, engine and machine engineering (e.g. gear wheels, transmission shafts, axles). Lowest application temp. -25 °C.

Equivalent material: AFNOR 42C4u, BS 530M40, ISO 41CrS4, UNI 41Cr4, SS 2245, UNE F.1207-42Cr4-1, DIN 1.7039, AFNOR 41CrS4, BS 41CrS4, UNI 41CrS4, AISI L1, AISI 5140, AISI 5140H, SAE L1, SAE 5140, SAE 5140H, JIS SCr440H, JIS SCr440, EN 41CrS4, EN 1.7039, GOST 40KH, GOST 40CH, UNS H51400, UNS G51400

EN 10277-5 Grade 41CrS4 cold drawn or turned and quenched and tempered general

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

EN 10277-5 Grade 41CrS4 cold drawn or turned and quenched and tempered 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 -

EN 10277-5 Grade 41CrS4 cold drawn or turned and quenched and tempered chemical

Property Value
Carbon Carbon of 0.38 - 0.45 %
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 %

EN 10277-5 Grade 41CrS4 cold drawn or turned and quenched and tempered 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

EN 10277-5 Grade 41CrS4 cold drawn or turned and quenched and tempered 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
Elongation 20.0 °C Elongation of 11 - 14 %
Poisson's ratio 20.0 °C Poisson's ratio of 0.28 [-]
Reduction of area 20.0 °C Reduction of area of 30 - 40 %
Tensile strength 20.0 °C Tensile strength of 800 - 1200 MPa
Yield strength 20.0 °C Yield strength of 560 - 800 MPa

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