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EN 10095 X3CrAlTi18-2 Soft-Annealed Stainless Steel (+A) – High‑Temperature Performance to 1000 °C

Steel X3CrAlTi18-2 shows a highest application temperature of up to 1000 °C in air.

Properties

General

PropertyTemperatureValue

Density

20.0 °C

7.7 g/cm³

Mechanical

PropertyTemperatureValueComment

Elastic modulus

23.0 °C

220 GPa

Typical for Ferritic Stainless Steel

Elongation

20.0 °C

25 %

Elongation A80

20.0 °C

25 %

Hardness, Brinell

20.0 °C

200 [-]

Poisson's ratio

23.0 °C

0.3 [-]

Typical for Ferritic Stainless Steel

Shear modulus

23.0 °C

77 GPa

Typical for Ferritic Stainless Steel

Tensile strength

20.0 °C

500 - 650 MPa

Yield strength Rp0.2

20.0 °C

280 MPa

Thermal

PropertyTemperatureValueComment

Coefficient of thermal expansion

200.0 °C

1.05E-5 1/K

400.0 °C

1.08E-5 1/K

600.0 °C

1.2E-5 1/K

800.0 °C

1.25E-5 1/K

1000.0 °C

1.3E-5 1/K

Max service temperature, long

0 - 1000 °C

Melting point

1425 - 1530 °C

Typical for Ferritic Stainless Steel

Specific heat capacity

20.0 °C

500 J/(kg·K)

600.0 °C

630 J/(kg·K)

Thermal conductivity

20.0 °C

21 W/(m·K)

500.0 °C

23 W/(m·K)

Electrical

PropertyTemperatureValue

Electrical resistivity

20.0 °C

6E-7 Ω·m

Chemical properties

PropertyValue

Aluminium

1.7 - 2.1 %

Carbon

0.04 %

Chromium

17 - 18 %

Manganese

1 %

Phosphorus

0.04 %

Silicon

1 %

Sulfur

0.015 %

Titanium

0.8 %


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