ISO 4957 Grade X19NiCrMo4 case hardened, edge-zone

ISO 4957 Grade X19NiCrMo4 case hardened, edge-zone introduction

case-hardened steel, hardenable on air, low distortion, surface application hardness 58-60 HRC
for plastic dies

Property	Temperature	Value
Density	20.0 °C	Density of 7.86 g/cm³

Property	Temperature	Value
Coefficient of thermal expansion	100.0 °C	Coefficient of thermal expansion of 1.15E-5 1/K
-	200.0 °C	Coefficient of thermal expansion of 1.2E-5 1/K
-	300.0 °C	Coefficient of thermal expansion of 1.24E-5 1/K
-	400.0 °C	Coefficient of thermal expansion of 1.28E-5 1/K
-	500.0 °C	Coefficient of thermal expansion of 1.31E-5 1/K
-	600.0 °C	Coefficient of thermal expansion of 1.35E-5 1/K
Specific heat capacity	20.0 °C	Specific heat capacity of 464 J/(kg·K)
-	100.0 °C	Specific heat capacity of 479 J/(kg·K)
-	200.0 °C	Specific heat capacity of 496 J/(kg·K)
-	300.0 °C	Specific heat capacity of 513 J/(kg·K)
-	400.0 °C	Specific heat capacity of 532 J/(kg·K)
Thermal conductivity	20.0 °C	Thermal conductivity of 32.9 W/(m·K)
-	100.0 °C	Thermal conductivity of 34.2 W/(m·K)
-	200.0 °C	Thermal conductivity of 34.8 W/(m·K)
-	300.0 °C	Thermal conductivity of 34.4 W/(m·K)
-	400.0 °C	Thermal conductivity of 33.3 W/(m·K)
Thermal diffusivity	20.0 °C	Thermal diffusivity of 9 mm²/s
-	100.0 °C	Thermal diffusivity of 8.8 mm²/s
-	200.0 °C	Thermal diffusivity of 8.5 mm²/s
-	300.0 °C	Thermal diffusivity of 7.8 mm²/s
-	400.0 °C	Thermal diffusivity of 7.1 mm²/s

Property	Temperature	Value
Electrical resistivity	20.0 °C	Electrical resistivity of 3.17E-7 Ω·m
-	100.0 °C	Electrical resistivity of 3.74E-7 Ω·m
-	200.0 °C	Electrical resistivity of 4.54E-7 Ω·m
-	300.0 °C	Electrical resistivity of 5.46E-7 Ω·m
-	400.0 °C	Electrical resistivity of 6.53E-7 Ω·m

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