EN 10277-5 Grade 50CrV4 cold drawn or turned and quenched and tempered

EN 10277-5 Grade 50CrV4 cold drawn or turned and quenched and tempered introduction

Steel 50 CrV 4 is suitable for high loaded parts that have to meet increased tempering and high wear resistance requirements at best core qualities in aircraft and vehicle construction and engine and machine engineering (e.g. transmission and joint parts, axles). Furthermore application to spring and tool steel. Lowest application temp. -25 °C.

Equivalent material: NBN 50CrV4, GB 50CrVA, AFNOR 50CV4, BS 735A50, GOST 50ChFA, ISO 51CrV4, UNI 50CrV4, JIS SUP10, PN 50Hf, SS 2230, UNE F.1430-51CrV4, ASTM 6150, DIN 51CrV4, DIN 1.8159, DIN GS-50CrV4, DIN G51CrV4, AFNOR 50CrV4, BS 50CrV4, AISI 6150, AISI 6150H, SAE 6150, SAE 6150H, JIS SUP10M, EN 50CrV4, EN 51CrV4, EN 1.8159, GOST 50HFA, GOST 50HGFA, GB 50CrV4

EN 10277-5 Grade 50CrV4 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 50CrV4 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 Vanadium 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 50CrV4 cold drawn or turned and quenched and tempered chemical

Property Value
Carbon Carbon of 0.47 - 0.55 %
Chromium Chromium of 0.9 - 1.2 %
Manganese Manganese of 0.7 - 1.1 %
Phosphorus Phosphorus of 0.04 %
Silicon Silicon of 0.4 %
Sulfur Sulfur of 0.03 %
Vanadium Vanadium of 0.1 - 0.2 %

EN 10277-5 Grade 50CrV4 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 50CrV4 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 - 212.6 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 9 - 12 %
Poisson's ratio 20.0 °C Poisson's ratio of 0.29 [-]
Reduction of area 20.0 °C Reduction of area of 40 - 50 %
Tensile strength 20.0 °C Tensile strength of 900 - 1300 MPa
Yield strength 20.0 °C Yield strength of 700 - 900 MPa

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