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ASTM A242 Grade Type 1 – Low‑Carbon Steel Specifications & Properties

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 A200	23.0 °C	18 %
Elongation A50	23.0 °C	21 %
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	435 - 485 MPa
Yield strength	23.0 °C	290 - 345 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

Chemical properties

Property	Value
Carbon	0.15 %
Copper	0.2 %
Manganese	1 %
Phosphorus	0.15 %
Sulfur	0.05 %

ASTM A210 Grade A1 Steel – Hot- or Cold-Finished for Reliable Structural Applications ASTM A320 Grade L1 – Quenched & Tempered Low‑Carbon Steel: Key Properties

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