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DIN 17465 GX25CrNiSi18-9 Cast Alloy – Exceptional Heat Resistance & Temperature Stability

G-X 25 CrNiSi 18 9, high heat resistance and insensitiveness against changing temperature. For parts of oven like dampers, transport chains, retorts, annealing and hardening boxes, traction clamps, bearing bottoms, bearing rods, hot gas ventilators. resistance: - in oxidising burning atmosphere: 850°C - in reductive burning atmosphere: 750°C - in oxidising sulfureous gas: 750°C - in reductive sulfureous gas: 750°C

Properties

General

PropertyTemperatureValue

Density

20.0 °C

7.8 g/cm³

Mechanical

PropertyTemperatureValueComment

Elastic modulus

23.0 °C

195 GPa

Typical for Austenitic Stainless Steel

Elongation

20.0 °C

15 %

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

440 MPa

Yield strength Rp0.2

20.0 °C

230 MPa

Thermal

PropertyTemperatureValueComment

Coefficient of thermal expansion

400.0 °C

1.75E-5 1/K

800.0 °C

1.85E-5 1/K

1000.0 °C

1.95E-5 1/K

Max service temperature, long

0 - 850 °C

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

14.6 W/(m·K)

Electrical

PropertyTemperatureValueComment

Electrical resistivity

23.0 °C

8.5E-7 Ω·m

Typical for Austenitic Stainless Steel

Chemical properties

PropertyValue

Carbon

0.15 - 0.3 %

Chromium

17 - 19 %

Manganese

1.5 %

Nickel

8 - 10 %

Phosphorus

0.04 %

Silicon

1 - 2.5 %

Sulfur

0.03 %


Metal

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