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
| 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 | 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
| Property | Temperature | Value | Comment |
|---|---|---|---|
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
| Property | Temperature | Value | Comment |
|---|---|---|---|
Electrical resistivity | 23.0 °C | 8.5E-7 Ω·m | Typical for Austenitic Stainless Steel |
Chemical properties
| Property | Value |
|---|---|
Carbon | 0.15 - 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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