DIN 17465 GX40CrSi29 Cast Steel: High‑Temperature Resistance for Advanced Industrial Applications
G-X 40 SiCr 29, because of its relatively high resistance of scaling basically applicaple for burn drums, flame jets and flame pot, flame rood, annealing retorts. Furthermore for agitation arms and agitation sprockets, chute and protecting ring segments, hot plates, inset boxes, annealing snail, crucible and transport rolls. resistance: - in oxidising burning atmosphere: 1150°C - in reductive burning atmosphere: 1100°C - in oxidising sulfureous gas: 1120°C - in reductive sulfureous gas: 1080°C
Properties
General
| Property | Temperature | Value |
|---|---|---|
Density | 20.0 °C | 7.5 g/cm³ |
Mechanical
| Property | Temperature | Value | Comment |
|---|---|---|---|
Elastic modulus | 23.0 °C | 220 GPa | Typical for Ferritic Stainless Steel |
Hardness, Brinell | 20.0 °C | 200 - 300 [-] | |
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 |
Thermal
| Property | Temperature | Value | Comment |
|---|---|---|---|
Coefficient of thermal expansion | 400.0 °C | 1.15E-5 1/K | |
800.0 °C | 1.4E-5 1/K | ||
1000.0 °C | 1.6E-5 1/K | ||
Max service temperature, long | 0 - 1150 °C | ||
Melting point | 1425 - 1530 °C | Typical for Ferritic Stainless Steel | |
Specific heat capacity | 20.0 °C | 500 J/(kg·K) | |
Thermal conductivity | 20.0 °C | 18.8 W/(m·K) | |
Electrical
| Property | Temperature | Value | Comment |
|---|---|---|---|
Electrical resistivity | 23.0 °C | 6E-7 - 7.5E-7 Ω·m | Typical for Ferritic Stainless Steel |
Chemical properties
| Property | Value |
|---|---|
Carbon | 0.3 - 0.45 % |
Chromium | 27 - 30 % |
Manganese | 0.5 - 1 % |
Phosphorus | 0.04 % |
Silicon | 1 - 2.5 % |
Sulfur | 0.03 % |
Metal
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