EN 10277-5 Grade 32Cr2 cold drawn

EN 10277-5 Grade 32Cr2 cold drawn introduction

Steel 32 Cr 2 is suitable for lower dimension parts in vehicle manufacturing, engine and machine engineering (e.g. transmission parts, shafts, axles). Lowest application temp. -25 °C.

Equivalent material: DIN 1.7020, EN 32Cr2, EN 1.7020

EN 10277-5 Grade 32Cr2 cold drawn general

Property	Temperature	Value
Density	20.0 °C	Density of 7.8 g/cm³

EN 10277-5 Grade 32Cr2 cold drawn thermal

Property	Temperature	Value	Comment
Coefficient of thermal expansion	-100.0 °C	Coefficient of thermal expansion of 1.08E-5 1/K	-
-	20.0 °C	Coefficient of thermal expansion of 1.19E-5 1/K	-
-	100.0 °C	Coefficient of thermal expansion of 1.25E-5 1/K	-
-	200.0 °C	Coefficient of thermal expansion of 1.3E-5 1/K	-
-	300.0 °C	Coefficient of thermal expansion of 1.36E-5 1/K	-
-	400.0 °C	Coefficient of thermal expansion of 1.41E-5 1/K	-
-	500.0 °C	Coefficient of thermal expansion of 1.45E-5 1/K	-
-	600.0 °C	Coefficient of thermal expansion of 1.49E-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 44.9 W/(m·K)	-
-	100.0 °C	Thermal conductivity of 46.2 W/(m·K)	-
-	200.0 °C	Thermal conductivity of 45.5 W/(m·K)	-
-	300.0 °C	Thermal conductivity of 43.1 W/(m·K)	-
-	400.0 °C	Thermal conductivity of 40.4 W/(m·K)	-
-	500.0 °C	Thermal conductivity of 37.7 W/(m·K)	-
-	600.0 °C	Thermal conductivity of 34.9 W/(m·K)	-
Thermal diffusivity	20.0 °C	Thermal diffusivity of 12.5 mm²/s	-
-	100.0 °C	Thermal diffusivity of 12 mm²/s	-
-	200.0 °C	Thermal diffusivity of 11 mm²/s	-
-	300.0 °C	Thermal diffusivity of 9.8 mm²/s	-
-	400.0 °C	Thermal diffusivity of 8.6 mm²/s	-
-	500.0 °C	Thermal diffusivity of 7.3 mm²/s	-
-	600.0 °C	Thermal diffusivity of 5.9 mm²/s	-

EN 10277-5 Grade 32Cr2 cold drawn magnetic

Property	Value
Carbon	Carbon of 0.28 - 0.35 %
Chromium	Chromium of 0.4 - 0.6 %
Manganese	Manganese of 0.5 - 0.8 %
Phosphorus	Phosphorus of 0.04 %
Silicon	Silicon of 0.4 %
Sulfur	Sulfur of 0.03 %

EN 10277-5 Grade 32Cr2 cold drawn electrical

Property	Temperature	Value
Electrical resistivity	20.0 °C	Electrical resistivity of 2.32E-7 Ω·m
-	100.0 °C	Electrical resistivity of 2.77E-7 Ω·m
-	200.0 °C	Electrical resistivity of 3.47E-7 Ω·m
-	300.0 °C	Electrical resistivity of 4.35E-7 Ω·m
-	400.0 °C	Electrical resistivity of 5.38E-7 Ω·m
-	500.0 °C	Electrical resistivity of 6.56E-7 Ω·m
-	600.0 °C	Electrical resistivity of 7.95E-7 Ω·m

EN 10277-5 Grade 32Cr2 cold drawn 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
Poisson's ratio	20.0 °C	Poisson's ratio of 0.28 [-]
Tensile strength	20.0 °C	Tensile strength of 770 - 830 MPa