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JIS C2555 PCYH350 Hot-Rolled Steel – Key Properties & Specifications

Properties

General

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

Mechanical

Property	Temperature	Value	Comment
Elastic modulus	23.0 °C	200 - 215 GPa	Typical for Low Carbon Steel
Elongation A5	23.0 °C	19 - 22 %
Elongation A80	23.0 °C	18 %
Poisson's ratio	23.0 °C	0.29 [-]	Typical for Low Carbon Steel
Shear modulus	23.0 °C	82 GPa	Typical for Low Carbon Steel
Tensile strength	23.0 °C	450 MPa
Yield strength Rp0.2	23.0 °C	350 MPa

Thermal

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

Electrical

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

Magnetic

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

Technological properties

Property
Processing history	hot-rolled

JIS C2555 PCYH300 Hot‑Rolled Steel – High‑Quality Low Carbon Grade JIS C2555 Grade PCYH400 Hot-Rolled Low Carbon Steel – Key Properties & Specifications

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