EN 10222-5 X2CrNi18-9 Solution-Annealed Steel (+AT) – High Corrosion & Mechanical Strength

The austenitic steel X2CrNi18-9 is available in solution annealed condition in the form of cold rolled strip, warm rolled band and warm rolled sheet. This material is resistant to intercrystalline corrosion also in welded condition.

Properties

General

Property	Temperature	Value
Density	20.0 °C	7.9 g/cm³

Mechanical

Property	Temperature	Value	Comment
Elastic modulus	20.0 °C	200 GPa
	100.0 °C	194 GPa
	200.0 °C	186 GPa
	300.0 °C	179 GPa
	400.0 °C	172 GPa
	500.0 °C	165 GPa

Elongation	20.0 °C	35 - 45 %
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	500 - 700 MPa
Yield strength Rp0.2	20.0 °C	200 MPa
Yield strength Rp1.0	20.0 °C	230 MPa

Thermal

Property	Temperature	Value	Comment
Coefficient of thermal expansion	100.0 °C	1.6E-5 1/K
	200.0 °C	1.65E-5 1/K
	300.0 °C	1.7E-5 1/K
	400.0 °C	1.8E-5 1/K
	500.0 °C	1.8E-5 1/K

Melting point		1230 - 1480 °C	Typical for Austenitic Stainless Steel
Specific heat capacity	20.0 °C	500 J/(kg·K)
Thermal conductivity	20.0 °C	15 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
Carbon	0.03 %
Chromium	17.5 - 19.5 %
Manganese	2 %
Nickel	8 - 10.5 %
Nitrogen	0.1 - 0.11 %
Phosphorus	0.05 %
Silicon	1 %
Sulfur	0.015 %

EN 1652 Grade CuZn39Pb2 H120 – Unhardenable Brass Alloy with Enhanced Machinability EN 10222-5 Grade X2CrNiCu19-10 – Solution Annealed Stainless Steel (AT)

Metal