DIN 17465 Grade GX40NiCrSiNb38-18 cast condition
DIN 17465 Grade GX40NiCrSiNb38-18 cast condition introduction
G-X 40 NiCrSiNb 38 18, for parts for high resistance against variation of temperature, delivering grates, bearing racks, bearing arms, parts of reeling plant oven, like drums, blades and shield etc.. Especially applicable for parts of oven in carborising atmosphere.
resistance:
- in oxidising burning atmosphere: 1120°C
- in reductive burning atmosphere: 1080°C
- in oxidising sulfureous gas: 1080°C
Equivalent material: DIN 1.4849, DIN GX40NiCrSiNb38-19, EN GX40NiCrSiNb38-19, EN 1.4849
DIN 17465 Grade GX40NiCrSiNb38-18 cast condition general
| Property |
Temperature |
Value |
| Density |
20.0 °C |
Density of 8 g/cm³ |
DIN 17465 Grade GX40NiCrSiNb38-18 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 - 1120 °C |
| Specific heat capacity |
20.0 °C |
Specific heat capacity of 500 J/(kg·K) |
| Thermal conductivity |
20.0 °C |
Thermal conductivity of 14.6 W/(m·K) |
DIN 17465 Grade GX40NiCrSiNb38-18 cast condition chemical
| Property |
Value |
| Carbon |
Carbon of 0.3 - 0.5 % |
| Chromium |
Chromium of 17 - 19 % |
| Manganese |
Manganese of 1.5 % |
| Nickel |
Nickel of 36 - 39 % |
| Niobium |
Niobium of 1.2 - 1.8 % |
| Phosphorus |
Phosphorus of 0.04 % |
| Silicon |
Silicon of 1 - 2 % |
| Sulfur |
Sulfur of 0.03 % |
DIN 17465 Grade GX40NiCrSiNb38-18 cast condition electrical
| Property |
Temperature |
Value |
| Electrical resistivity |
20.0 °C |
Electrical resistivity of 9.9E-7 Ω·m |
DIN 17465 Grade GX40NiCrSiNb38-18 cast condition mechanical
| Property |
Temperature |
Value |
Comment |
| Elastic modulus |
23.0 °C |
Elastic modulus of 190 - 210 GPa |
Typical for Steel |
| 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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