JIS G3201 Grade SF640B
JIS G3201 Grade SF640B general
| Property | Temperature | Value | Comment |
|---|---|---|---|
| Density | 23.0 °C | Density of 7.8 - 7.9 g/cm³ | Typical for High Carbon Steel |
JIS G3201 Grade SF640B thermal
| Property | Temperature | Value | Comment |
|---|---|---|---|
| Coefficient of thermal expansion | 23.0 °C | Coefficient of thermal expansion of 1.32E-5 1/K | Typical for High Carbon Steel |
| Max service temperature | - | Max service temperature of 500 °C | Typical for Carbon Steel |
| Melting point | - | Melting point of 1289 - 1478 °C | Typical for High Carbon Steel |
| Specific heat capacity | 23.0 °C | Specific heat capacity of 486 J/(kg·K) | Typical for High Carbon Steel |
| Thermal conductivity | 23.0 °C | Thermal conductivity of 36 W/(m·K) | Typical for High Carbon Steel |
JIS G3201 Grade SF640B electrical
| Property | Temperature | Value | Comment |
|---|---|---|---|
| Electrical resistivity | 23.0 °C | Electrical resistivity of 1.43E-7 - 1.74E-7 Ω·m | Typical for Carbon Steel |
JIS G3201 Grade SF640B mechanical
| Property | Temperature | Value | Comment |
|---|---|---|---|
| Elastic modulus | 23.0 °C | Elastic modulus of 200 - 215 GPa | Typical for High Carbon Steel |
| Elongation A5 | 23.0 °C | Elongation A5 of 15 - 16 % | - |
| Elongation A5, transverse | 23.0 °C | Elongation A5, transverse of 10 - 11 % | - |
| Hardness, Brinell | 23.0 °C | Hardness, Brinell of 183 [-] | - |
| Poisson's ratio | 23.0 °C | Poisson's ratio of 0.29 [-] | Typical for High Carbon Steel |
| Reduction of area | 23.0 °C | Reduction of area of 35 - 40 % | - |
| Reduction of area, transverse | 23.0 °C | Reduction of area, transverse of 28 - 32 % | - |
| Shear modulus | 23.0 °C | Shear modulus of 81 GPa | Typical for High Carbon Steel |
| Tensile strength | 23.0 °C | Tensile strength of 640 - 780 MPa | - |
| Yield strength | 23.0 °C | Yield strength of 345 - 390 MPa | - |
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