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SAE J435 Grade 0030 – Detailed Welding Properties for Medium Carbon Steel

Welding Grade

Properties

General

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

Mechanical

Property	Temperature	Value	Comment
Elastic modulus	23.0 °C	200 - 215 GPa	Typical for Medium Carbon Steel
Elongation	23.0 °C	24 %
Hardness, HBW	23.0 °C	131 - 187 [-]
Poisson's ratio	23.0 °C	0.29 [-]	Typical for Medium Carbon Steel
Shear modulus	23.0 °C	75 - 80 GPa	Typical for Carbon Steel
Tensile strength	23.0 °C	450 MPa
Yield strength	23.0 °C	240 MPa

Thermal

Property	Temperature	Value	Comment
Coefficient of thermal expansion	23.0 °C	1.32E-5 1/K	Typical for Medium Carbon Steel
Max service temperature		500 °C	Typical for Carbon Steel
Melting point		1380 - 1514 °C	Typical for Medium Carbon Steel
Specific heat capacity	23.0 °C	470 - 520 J/(kg·K)	Typical for Medium Carbon Steel
Thermal conductivity	23.0 °C	21 - 52 W/(m·K)	Typical for Medium Carbon Steel

Electrical

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

Chemical properties

Property	Value	Comment
Carbon	0.3 %
Iron	98.11 - 100 %	balance
Manganese	0.7 %
Phosphorus	0.04 %
Silicon	0.8 %
Sulfur	0.045 %

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