DIN 17230 Grade X82WMoCrV6-5-4 annealed to achieve spheroidized carbides (+AC)

DIN 17230 Grade X82WMoCrV6-5-4 annealed to achieve spheroidized carbides (+AC) introduction

X 82 WMoCrV 6 5 4 is a thermo-set anti-friction bearing steel. It is used for temperature-fed anti-friction bearings and can withstand highest mechanical strain. Its surface hardness is approximately 64 to 66 HRC.

Equivalent material: ISO 31, DIN 1.3553, AFNOR Z85WCDV6, UNI X82WMoV65, AISI CM2, SAE CM2, JIS X82WMoCrV6-5-4, EN X80WMoCrV654, EN 1.3553, ISO X82WMoCrV6-5-4

DIN 17230 Grade X82WMoCrV6-5-4 annealed to achieve spheroidized carbides (+AC) general

Property Temperature Value
Density 20.0 °C Density of 8.1 - 8.12 g/cm³

DIN 17230 Grade X82WMoCrV6-5-4 annealed to achieve spheroidized carbides (+AC) thermal

Property Temperature Value Comment
Coefficient of thermal expansion -100.0 °C Coefficient of thermal expansion of 9.6E-6 1/K -
- 20.0 °C Coefficient of thermal expansion of 1.05E-5 1/K -
- 100.0 °C Coefficient of thermal expansion of 1.11E-5 1/K -
- 200.0 °C Coefficient of thermal expansion of 1.16E-5 1/K -
- 300.0 °C Coefficient of thermal expansion of 1.2E-5 1/K -
- 400.0 °C Coefficient of thermal expansion of 1.24E-5 1/K -
- 500.0 °C Coefficient of thermal expansion of 1.27E-5 1/K -
- 600.0 °C Coefficient of thermal expansion of 1.3E-5 1/K -
Melting point - Melting point of 1370 - 1425 °C Typical for Tool And Machining Steel
Specific heat capacity 23.0 °C Specific heat capacity of 420 - 460 J/(kg·K) Typical for Tool And Machining Steel
Thermal conductivity 20.0 °C Thermal conductivity of 27.6 W/(m·K) -
- 100.0 °C Thermal conductivity of 27.9 W/(m·K) -
- 200.0 °C Thermal conductivity of 27.7 W/(m·K) -
- 300.0 °C Thermal conductivity of 27.5 W/(m·K) -
- 400.0 °C Thermal conductivity of 27 W/(m·K) -
- 500.0 °C Thermal conductivity of 26.6 W/(m·K) -
- 600.0 °C Thermal conductivity of 26.1 W/(m·K) -

DIN 17230 Grade X82WMoCrV6-5-4 annealed to achieve spheroidized carbides (+AC) chemical

Property Value
Carbon Carbon of 0.78 - 0.86 %
Chromium Chromium of 3.8 - 4.5 %
Manganese Manganese of 0.4 %
Molybdenum Molybdenum of 4.7 - 5.2 %
Phosphorus Phosphorus of 0.03 %
Silicon Silicon of 0.4 %
Sulfur Sulfur of 0.03 %
Tungsten Tungsten of 6 - 6.7 %
Vanadium Vanadium of 1.7 - 2 %

DIN 17230 Grade X82WMoCrV6-5-4 annealed to achieve spheroidized carbides (+AC) electrical

Property Temperature Value
Electrical resistivity 20.0 °C Electrical resistivity of 5.24E-7 Ω·m
- 100.0 °C Electrical resistivity of 5.81E-7 Ω·m
- 200.0 °C Electrical resistivity of 6.64E-7 Ω·m
- 300.0 °C Electrical resistivity of 7.51E-7 Ω·m
- 400.0 °C Electrical resistivity of 8.44E-7 Ω·m
- 500.0 °C Electrical resistivity of 9.41E-7 Ω·m
- 600.0 °C Electrical resistivity of 1.04E-6 Ω·m

DIN 17230 Grade X82WMoCrV6-5-4 annealed to achieve spheroidized carbides (+AC) mechanical

Property Temperature Value Comment
Elastic modulus 20.0 °C Elastic modulus of 224 GPa -
- 100.0 °C Elastic modulus of 220 GPa -
- 200.0 °C Elastic modulus of 214 GPa -
- 300.0 °C Elastic modulus of 207 GPa -
- 400.0 °C Elastic modulus of 199 GPa -
- 500.0 °C Elastic modulus of 191 GPa -
- 600.0 °C Elastic modulus of 180 GPa -
Poisson's ratio 20.0 °C Poisson's ratio of 0.28 [-] -
Shear modulus 23.0 °C Shear modulus of 79 GPa Typical for Tool And Machining Steel

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