DIN 17230 Grade X45Cr13 annealed to achieve spheroidized carbides (+AC)
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DIN 17230 Grade X45Cr13 annealed to achieve spheroidized carbides (+AC)

DIN 17230 Grade X45Cr13 annealed to achieve spheroidized carbides (+AC) introduction

X 45 Cr 13 is a stainless anti-friction bearing steel. It is used for anti-friction bearing parts (needles and rolls) that are under corrosion stress.

Equivalent material: ISO 20, DIN X47Cr14, DIN 1.3541, JIS X47Cr14, EN 1.3541, ISO X47Cr14

DIN 17230 Grade X45Cr13 annealed to achieve spheroidized carbides (+AC) general

Property Temperature Value
Density 20.0 °C Density of 7.7 - 7.71 g/cm³

DIN 17230 Grade X45Cr13 annealed to achieve spheroidized carbides (+AC) thermal

Property Temperature Value Comment
Coefficient of thermal expansion 20.0 °C Coefficient of thermal expansion of 1.02E-5 1/K -
- 100.0 °C Coefficient of thermal expansion of 1.05E-5 1/K -
- 200.0 °C Coefficient of thermal expansion of 1.09E-5 1/K -
- 300.0 °C Coefficient of thermal expansion of 1.13E-5 1/K -
- 400.0 °C Coefficient of thermal expansion of 1.16E-5 1/K -
- 500.0 °C Coefficient of thermal expansion of 1.2E-5 1/K -
- 600.0 °C Coefficient of thermal expansion of 1.22E-5 1/K -
Melting point - Melting point of 1382 - 1529 °C Typical for Chromium Steel
Specific heat capacity 20.0 °C Specific heat capacity of 439 J/(kg·K) -
- 100.0 °C Specific heat capacity of 474 J/(kg·K) -
- 200.0 °C Specific heat capacity of 498 J/(kg·K) -
- 300.0 °C Specific heat capacity of 517 J/(kg·K) -
- 400.0 °C Specific heat capacity of 538 J/(kg·K) -
- 500.0 °C Specific heat capacity of 564 J/(kg·K) -
- 600.0 °C Specific heat capacity of 598 J/(kg·K) -
Thermal conductivity 20.0 °C Thermal conductivity of 24.6 W/(m·K) -
- 100.0 °C Thermal conductivity of 24.7 W/(m·K) -
- 200.0 °C Thermal conductivity of 25 W/(m·K) -
- 300.0 °C Thermal conductivity of 25.2 W/(m·K) -
- 400.0 °C Thermal conductivity of 25.5 W/(m·K) -
- 500.0 °C Thermal conductivity of 25.8 W/(m·K) -
- 600.0 °C Thermal conductivity of 26 W/(m·K) -
Thermal diffusivity 20.0 °C Thermal diffusivity of 7.3 mm²/s -
- 100.0 °C Thermal diffusivity of 6.4 mm²/s -
- 200.0 °C Thermal diffusivity of 6.1 mm²/s -
- 300.0 °C Thermal diffusivity of 5.8 mm²/s -
- 400.0 °C Thermal diffusivity of 5.4 mm²/s -
- 500.0 °C Thermal diffusivity of 4.8 mm²/s -
- 600.0 °C Thermal diffusivity of 4.1 mm²/s -

DIN 17230 Grade X45Cr13 annealed to achieve spheroidized carbides (+AC) chemical

Property Value
Carbon Carbon of 0.42 - 0.5 %
Chromium Chromium of 12.5 - 14.5 %
Copper Copper of 0.3 %
Manganese Manganese of 1 %
Nickel Nickel of 1 %
Phosphorus Phosphorus of 0.04 %
Silicon Silicon of 1 %
Sulfur Sulfur of 0.03 %

DIN 17230 Grade X45Cr13 annealed to achieve spheroidized carbides (+AC) electrical

Property Temperature Value
Electrical resistivity 20.0 °C Electrical resistivity of 5.87E-7 Ω·m
- 100.0 °C Electrical resistivity of 6.55E-7 Ω·m
- 200.0 °C Electrical resistivity of 7.38E-7 Ω·m
- 300.0 °C Electrical resistivity of 8.19E-7 Ω·m
- 400.0 °C Electrical resistivity of 8.96E-7 Ω·m
- 500.0 °C Electrical resistivity of 9.7E-7 Ω·m
- 600.0 °C Electrical resistivity of 1.04E-6 Ω·m

DIN 17230 Grade X45Cr13 annealed to achieve spheroidized carbides (+AC) mechanical

Property Temperature Value Comment
Elastic modulus 20.0 °C Elastic modulus of 222 GPa -
- 100.0 °C Elastic modulus of 216 GPa -
- 200.0 °C Elastic modulus of 209 GPa -
- 300.0 °C Elastic modulus of 201 GPa -
- 400.0 °C Elastic modulus of 192 GPa -
- 500.0 °C Elastic modulus of 183 GPa -
- 600.0 °C Elastic modulus of 174 GPa -
Poisson's ratio 23.0 °C Poisson's ratio of 0.29 [-] Typical for Chromium Steel

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