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SAE J435 0050B Steel – Quenched & Tempered – Medium Strength Excellence

Medium Strength Grade

Properties

General

Property	Temperature	Value	Comment
Density	20.0 °C	7.8 - 7.9 g/cm³	Typical for Medium Carbon Steel

Mechanical

Property	Temperature	Value	Comment
Elastic modulus	20.0 °C	200 - 215 GPa	Typical for Medium Carbon Steel
Elongation	20.0 °C	10 %
Hardness, HBW	20.0 °C	207 - 225 [-]
Poisson's ratio	20.0 °C	0.29 [-]	Typical for Medium Carbon Steel
Shear modulus	20.0 °C	75 - 80 GPa	Typical for Carbon Steel
Tensile strength	20.0 °C	690 MPa
Yield strength	20.0 °C	485 MPa

Thermal

Property	Temperature	Value	Comment
Coefficient of thermal expansion	20.0 °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

Electrical

Property	Temperature	Value	Comment
Electrical resistivity	20.0 °C	1.43E-7 - 1.74E-7 Ω·m	Typical for Carbon Steel

Chemical properties

Property	Value	Comment
Carbon	0.4 - 0.5 %
Iron	97.69 - 99.1 %	balance
Manganese	0.5 - 0.9 %
Phosphorus	0.04 %
Silicon	0.8 %
Sulfur	0.045 %

SAE J435 Grade 0050A Steel: Normalized or Normalized & Tempered Properties SEW 395 G‑X120Mn13: Solution‑Heat‑Treated, Quenched Austenitic Steel for Low Magnetic Permeability

Metal

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