DIN 17465 Grade GX40CrNiSi25-20 cast condition
DIN 17465 Grade GX40CrNiSi25-20 cast condition introduction
G-X 40 CrNiSi 25 20, for parts of ovens with highest mechanical loadings, previously loaded to high heat resistance, like transport elements in oven for annealing, tempering, sheet normalising and throughput, this are for example rolls, bearing arbor, bearing grate, bolts, anchor, lever, oven plates, burner, chains, snail retorts, transport rolls. Furthermore for insert boxes, annealing boxes, mortar trough, annealing hood, saucer, caps, burn roods and bearing stator.
resistance:
- in oxidising burning atmosphere: 1150°C
- in reductive burning atmosphere: sensitive for carborising, especially upper 900°C
- in oxidising sulfureous gas: in limited case
- in reductive sulfureous gas: unresistant
Equivalent material: CSN 422952, BS 310C40, BS 310C45, UNI GX40CrNi26-20, JIS SCH21, JIS SCH22, UNE F.8452-AM-X40CrNi25-20, MSZ 40CrNiSi2520, ASTM HK, DIN 1.4848, AFNOR Z40CN2520, EN GX40CrNiSi25-20, EN 1.4848, ASTM Grade HK, ASTM Grade HK30, UNS J94203
DIN 17465 Grade GX40CrNiSi25-20 cast condition general
| Property |
Temperature |
Value |
| Density |
20.0 °C |
Density of 7.9 g/cm³ |
DIN 17465 Grade GX40CrNiSi25-20 cast condition thermal
| Property |
Temperature |
Value |
Comment |
| Coefficient of thermal expansion |
400.0 °C |
Coefficient of thermal expansion of 1.7E-5 1/K |
- |
| - |
800.0 °C |
Coefficient of thermal expansion of 1.8E-5 1/K |
- |
| - |
1000.0 °C |
Coefficient of thermal expansion of 1.9E-5 1/K |
- |
| - |
1200.0 °C |
Coefficient of thermal expansion of 1.95E-5 1/K |
- |
| Max service temperature, long |
- |
Max service temperature, long of 0 - 1150 °C |
- |
| Melting point |
- |
Melting point of 1230 - 1480 °C |
Typical for Austenitic Stainless Steel |
| 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 GX40CrNiSi25-20 cast condition chemical
| Property |
Value |
| Carbon |
Carbon of 0.3 - 0.5 % |
| Chromium |
Chromium of 24 - 26 % |
| Manganese |
Manganese of 1.5 % |
| Nickel |
Nickel of 19 - 21 % |
| Phosphorus |
Phosphorus of 0.04 % |
| Silicon |
Silicon of 1 - 2.5 % |
| Sulfur |
Sulfur of 0.03 % |
DIN 17465 Grade GX40CrNiSi25-20 cast condition electrical
| Property |
Temperature |
Value |
| Electrical resistivity |
20.0 °C |
Electrical resistivity of 8.6E-7 Ω·m |
DIN 17465 Grade GX40CrNiSi25-20 cast condition mechanical
| Property |
Temperature |
Value |
Comment |
| Elastic modulus |
20.0 °C |
Elastic modulus of 200 GPa |
- |
| Elongation |
20.0 °C |
Elongation of 6 % |
- |
| Poisson's ratio |
23.0 °C |
Poisson's ratio of 0.3 [-] |
Typical for Austenitic Stainless Steel |
| Shear modulus |
23.0 °C |
Shear modulus of 77 GPa |
Typical for Austenitic Stainless Steel |
| Tensile strength |
20.0 °C |
Tensile strength of 440 MPa |
- |
| Yield strength Rp0.2 |
20.0 °C |
Yield strength Rp0.2 of 230 MPa |
- |
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