EN 10084 Grade 18CrMoS4 quenched (+Q)
EN 10084 Grade 18CrMoS4 quenched (+Q) introduction
The case-hardening steel is mainly used for gear parts, but also in the mechanical engineering.
Equivalent material: EN 1.7244, ISO 18CrMoS4, DIN 1.7244, DIN 18CrMoS4
EN 10084 Grade 18CrMoS4 quenched (+Q) general
| Property | Temperature | Value | Comment |
|---|---|---|---|
| Density | 23.0 °C | Density of 7.8 - 7.9 g/cm³ | Typical for Chromium Molybdenum Steel |
EN 10084 Grade 18CrMoS4 quenched (+Q) thermal
| Property | Temperature | Value | Comment |
|---|---|---|---|
| Coefficient of thermal expansion | 23.0 °C | Coefficient of thermal expansion of 1.1E-5 - 1.4E-5 1/K | Typical for Chromium Molybdenum Steel |
| Melting point | - | Melting point of 1382 - 1529 °C | Typical for Chromium Molybdenum Steel |
| Specific heat capacity | 23.0 °C | Specific heat capacity of 448 - 502 J/(kg·K) | Typical for Chromium Molybdenum Steel |
| Thermal conductivity | 23.0 °C | Thermal conductivity of 36 - 43 W/(m·K) | Typical for Chromium Molybdenum Steel |
EN 10084 Grade 18CrMoS4 quenched (+Q) chemical
| Property | Value |
|---|---|
| Carbon | Carbon of 0.15 - 0.21 % |
| Chromium | Chromium of 0.9 - 1.2 % |
| Copper | Copper of 0.4 % |
| Manganese | Manganese of 0.6 - 0.9 % |
| Molybdenum | Molybdenum of 0.15 - 0.25 % |
| Phosphorus | Phosphorus of 0.03 % |
| Silicon | Silicon of 0.15 - 0.4 % |
| Sulfur | Sulfur of 0.02 - 0.04 % |
EN 10084 Grade 18CrMoS4 quenched (+Q) mechanical
| Property | Temperature | Value | Comment |
|---|---|---|---|
| Elastic modulus | 23.0 °C | Elastic modulus of 200 - 215 GPa | Typical for Chromium Molybdenum Steel |
| Poisson's ratio | 23.0 °C | Poisson's ratio of 0.29 [-] | Typical for Chromium Molybdenum Steel |
| Tensile strength | 20.0 °C | Tensile strength of 600 - 1100 MPa | - |
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