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SAE J775 Grade EV‑8 – Comprehensive Mechanical Test Protocol (ST+P)

Properties

General

Property	Temperature	Value
Density	23.0 °C	7.6 - 7.8 g/cm³

Mechanical

Property	Temperature	Value	Comment
Elastic modulus	23.0 °C	205 GPa
Elongation A5	23.0 °C	8 - 25 %
Hardness, Rockwell C	23.0 °C	30 [-]
Poisson's ratio	23.0 °C	0.3 [-]	Typical for Austenitic Stainless Steel
Reduction of area	23.0 °C	9 - 10 %
Shear modulus	23.0 °C	77 GPa	Typical for Austenitic Stainless Steel
Tensile strength	23.0 °C	880 - 1200 MPa
Yield strength	23.0 °C	580 - 895 MPa

Thermal

Property	Temperature	Value	Comment
Coefficient of thermal expansion	100.0 °C	1.55E-5 1/K	The mentioned values are between 20°C and the mentioned temperature
	300.0 °C	1.75E-5 1/K	The mentioned values are between 20°C and the mentioned temperature
	500.0 °C	1.85E-5 1/K	The mentioned values are between 20°C and the mentioned temperature
	700.0 °C	1.88E-5 1/K	The mentioned values are between 20°C and the mentioned temperature

Melting point		1230 - 1480 °C	Typical for Austenitic Stainless Steel
Specific heat capacity	23.0 °C	500 J/(kg·K)
Thermal conductivity	23.0 °C	14.5 W/(m·K)

Electrical

Property	Temperature	Value	Comment
Electrical resistivity	23.0 °C	8.5E-7 Ω·m	Typical for Austenitic Stainless Steel

Chemical properties

Property	Value	Comment
Carbon	0.48 - 0.58 %
Chromium	20 - 22 %
Iron	61.12 - 67.89 %	Balance
Manganese	8 - 10 %
Nickel	3.25 - 4.5 %
Nitrogen	0.38 - 0.55 %
Phosphorus	0.05 %
Silicon	0.25 %
Sulfur	0.03 %

SEW 410 Grade G‑X3CrNiMoCuN26‑6‑3‑3 – Quenched ( +Q ) Stainless Steel with Superior Corrosion Resistance SAE J775 Grade XEV-F: Mechanical Properties & Test Results

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