JIS G3141 Grade CR4

Equivalent material: DIN 1.0312, DIN St 15, DIN DC05, AFNOR DC05, BS DC05, JIS SPCF, JIS SPCE, EN DC05, EN 1.0312, ISO CR4, ISO 04, ISO HR4

JIS G3141 Grade CR4 general

Property	Temperature	Value	Comment
Density	23.0 °C	Density of 7.8 - 7.9 g/cm³	Typical for Low Carbon Steel

Property	Temperature	Value	Comment
Coefficient of thermal expansion	23.0 °C	Coefficient of thermal expansion of 1.32E-5 - 1.38E-5 1/K	Typical for Low Carbon Steel
Max service temperature	-	Max service temperature of 500 °C	Typical for Carbon Steel
Melting point	-	Melting point of 1480 - 1526 °C	Typical for Low Carbon Steel
Specific heat capacity	23.0 °C	Specific heat capacity of 465 J/(kg·K)	Typical for Low Carbon Steel
Thermal conductivity	23.0 °C	Thermal conductivity of 25 - 93 W/(m·K)	Typical for Low Carbon Steel

Property	Value	Comment
Curie temperature	Curie temperature of 770 °C	Typical for Low Carbon Steel

Property	Temperature	Value	Comment
Electrical resistivity	23.0 °C	Electrical resistivity of 1.43E-7 - 1.74E-7 Ω·m	Typical for Carbon Steel

Property	Temperature	Value	Comment
Elastic modulus	23.0 °C	Elastic modulus of 200 - 215 GPa	Typical for Low Carbon Steel
Elongation A50	23.0 °C	Elongation A50 of 37 %	-
Elongation A80	23.0 °C	Elongation A80 of 36 %	-
Hardness, Rockwell B	23.0 °C	Hardness, Rockwell B of 50 [-]	-
Hardness, Rockwell Superficial 30-T	23.0 °C	Hardness, Rockwell Superficial 30-T of 50 [-]	-
Poisson's ratio	23.0 °C	Poisson's ratio of 0.29 [-]	Typical for Low Carbon Steel
Shear modulus	23.0 °C	Shear modulus of 82 GPa	Typical for Low Carbon Steel
Tensile strength	23.0 °C	Tensile strength of 340 MPa	-

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