DIN 17222 Grade 50CrV4 cold rolled and hardened
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DIN 17222 Grade 50CrV4 cold rolled and hardened

DIN 17222 Grade 50CrV4 cold rolled and hardened introduction

The steel 50 CrV 4 is used as cold rolled steel strip for springs with high dimensional accuracy and surface condition up to 3.0 mm thicknesses.

Equivalent material: GB 50CrVA, AFNOR 51CrV4, GOST 50ChFA, UNI 50CrV4, JIS S4P10-CSP, SS 2230, UNE F.1430-51CrV4, SAE 6150, DIN 51CrV4, DIN 1.8159, DIN GS-50CrV4, DIN G51CrV4, AFNOR 50CrV4, BS 735A50, BS 50CrV4, AISI 6150, AISI 6150H, SAE 6150H, JIS SUP10, JIS SUP10M, EN 50CrV4, EN 51CrV4, EN 1.8159, GOST 50HFA, GOST 50HGFA, GB 50CrV4

DIN 17222 Grade 50CrV4 cold rolled and hardened general

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

DIN 17222 Grade 50CrV4 cold rolled and hardened 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 -
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 -

DIN 17222 Grade 50CrV4 cold rolled and hardened 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 0.15 - 0.4 %
Sulfur Sulfur of 0.035 %
Vanadium Vanadium of 0.1 - 0.2 %

DIN 17222 Grade 50CrV4 cold rolled and hardened 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 17222 Grade 50CrV4 cold rolled and hardened mechanical

Property Temperature Value
Elastic modulus -100.0 °C Elastic modulus of 217 GPa
- 20.0 °C Elastic modulus of 206 - 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
Hardness, Vickers 20.0 °C Hardness, Vickers of 680 [-]
Poisson's ratio 20.0 °C Poisson's ratio of 0.29 [-]
Shear modulus 20.0 °C Shear modulus of 78 GPa

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