SEW 395 G‑X2CrNiMoN18‑14: High‑Performance Solution‑Heat‑Treated Austenitic Steel

The fully austenitic material G-X 2 CrNiMoN 18 14, with the material number 1.3952 according to SEW 395-87 (invalidly replaced by GX2CrNiMoN18-14, material number 1.3960 according to SEW 395-98), possesses a defined low value of the relative magnetic permeability of 1.01 maximum (for castings with a wall thickness of up to 50 mm). It is applied for construction components which an interference or shielding of a magnetic field must not occur at. (SEW: steel-iron material specification)

Properties

General

Property	Temperature	Value
Density	20.0 °C	7.8 g/cm³

Mechanical

Property	Temperature	Value	Comment
Elastic modulus	23.0 °C	195 GPa	Typical for Austenitic Stainless Steel
Elongation	20.0 °C	30 %
Poisson's ratio	23.0 °C	0.3 [-]	Typical for Austenitic Stainless Steel
Shear modulus	23.0 °C	77 GPa	Typical for Austenitic Stainless Steel
Tensile strength	20.0 °C	490 - 690 MPa
Yield strength Rp0.2	20.0 °C	240 MPa

Thermal

Property	Temperature	Value	Comment
Coefficient of thermal expansion	100.0 °C	1.65E-5 1/K
	200.0 °C	1.75E-5 1/K
	300.0 °C	1.75E-5 1/K

Melting point		1230 - 1480 °C	Typical for Austenitic Stainless Steel
Specific heat capacity	23.0 °C	440 J/(kg·K)	Typical for Austenitic Stainless Steel
Thermal conductivity	20.0 °C	15 W/(m·K)

Electrical

Property	Temperature	Value
Electrical resistivity	20.0 °C	7.5E-7 Ω·m

Chemical properties

Property	Value
Carbon	0.03 %
Chromium	16.5 - 18.5 %
Manganese	2 %
Molybdenum	2.5 - 3 %
Nickel	13 - 15 %
Nitrogen	0.15 - 0.25 %
Phosphorus	0.04 %
Silicon	1 %
Sulfur	0.02 %

SEW 395 G‑X120Mn13: Solution‑Heat‑Treated, Quenched Austenitic Steel for Low Magnetic Permeability SEW 395 Grade GX12CrNi18-11: High‑Performance Austenitic Steel, Heat‑Treated & Quenched

Metal