JIS G3221 Grade SFCM640R
JIS G3221 Grade SFCM640R general
| Property | Temperature | Value | Comment |
|---|---|---|---|
| Density | 23.0 °C | Density of 7.8 - 7.9 g/cm³ | Typical for Chromium Molybdenum Steel |
JIS G3221 Grade SFCM640R 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 |
JIS G3221 Grade SFCM640R mechanical
| Property | Temperature | Value | Comment |
|---|---|---|---|
| Elastic modulus | 23.0 °C | Elastic modulus of 200 - 215 GPa | Typical for Chromium Molybdenum Steel |
| Elongation A5, transverse | 23.0 °C | Elongation A5, transverse of 16 - 18 % | - |
| Hardness, Brinell | 23.0 °C | Hardness, Brinell of 187 [-] | - |
| Poisson's ratio | 23.0 °C | Poisson's ratio of 0.29 [-] | Typical for Chromium Molybdenum Steel |
| Reduction of area | 23.0 °C | Reduction of area of 42 - 48 % | - |
| Reduction of area, transverse | 23.0 °C | Reduction of area, transverse of 42 - 48 % | - |
| Tensile strength | 23.0 °C | Tensile strength of 640 - 780 MPa | - |
| Yield strength | 23.0 °C | Yield strength of 410 MPa | - |
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