DIN 17465 Grade GX40NiCrSiNb35-25 cast condition
DIN 17465 Grade GX40NiCrSiNb35-25 cast condition introduction
G-X 40 NiCrSiNb 35 25, especially for heat resistant parts of oven and cast pieces in carburising atmosphere.
resistance:
- in carburising gas: good
- in nitrogenous gas: good
- in oxidising sulfureous gas: middle
- in reductive sulfureous gas: low
- temperature loading on air: up to 1000°C
Equivalent material: DIN GX40NiCrSiNb35-26, DIN 1.4852, DIN G-X 40 NiCrNb 35 25, EN GX40NiCrSiNb35-26, EN 1.4852
DIN 17465 Grade GX40NiCrSiNb35-25 cast condition general
| Property |
Temperature |
Value |
| Density |
20.0 °C |
Density of 7.7 g/cm³ |
DIN 17465 Grade GX40NiCrSiNb35-25 cast condition thermal
| Property |
Temperature |
Value |
| Coefficient of thermal expansion |
400.0 °C |
Coefficient of thermal expansion of 1.6E-5 1/K |
| - |
800.0 °C |
Coefficient of thermal expansion of 1.7E-5 1/K |
| - |
1000.0 °C |
Coefficient of thermal expansion of 1.85E-5 1/K |
| Max service temperature, long |
- |
Max service temperature, long of 0 - 1000 °C |
| Specific heat capacity |
20.0 °C |
Specific heat capacity of 500 J/(kg·K) |
| Thermal conductivity |
20.0 °C |
Thermal conductivity of 14.7 W/(m·K) |
DIN 17465 Grade GX40NiCrSiNb35-25 cast condition chemical
| Property |
Value |
| Carbon |
Carbon of 0.35 - 0.45 % |
| Chromium |
Chromium of 24 - 26 % |
| Manganese |
Manganese of 1.5 % |
| Nickel |
Nickel of 33 - 35 % |
| Niobium |
Niobium of 0.8 - 1.8 % |
| Phosphorus |
Phosphorus of 0.04 % |
| Silicon |
Silicon of 1 - 2.5 % |
| Sulfur |
Sulfur of 0.03 % |
DIN 17465 Grade GX40NiCrSiNb35-25 cast condition mechanical
| Property |
Temperature |
Value |
Comment |
| Elastic modulus |
20.0 °C |
Elastic modulus of 200 GPa |
- |
| Elongation |
20.0 °C |
Elongation of 5 % |
- |
| Poisson's ratio |
23.0 °C |
Poisson's ratio of 0.3 [-] |
Typical for Steel |
| Tensile strength |
20.0 °C |
Tensile strength of 400 MPa |
- |
| Yield strength Rp0.2 |
20.0 °C |
Yield strength Rp0.2 of 220 MPa |
- |
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