ISO 683-4 Grade 38SMn28 untreated
ISO 683-4 Grade 38SMn28 untreated introduction
The free-cutting steel 38SMn28, suitable for quenching and tempering, is applicated for production of turned parts of high strength requirements.
Equivalent material: GB Y40Mn, GB L20409, EN 1.0760, ISO 38SMn28, JIS SUM42, GOST A40G, GOST A40Г, SAE 1141, UNS G11410, DIN 1.0760, DIN 38SMn28, AFNOR 38SMn28, BS 38SMn28, GB/T L20409, GB/T Y40Mn
ISO 683-4 Grade 38SMn28 untreated general
| Property |
Temperature |
Value |
Comment |
| Density |
23.0 °C |
Density of 7.8 - 7.9 g/cm³ |
Typical for Medium Carbon Steel |
ISO 683-4 Grade 38SMn28 untreated thermal
| Property |
Temperature |
Value |
Comment |
| Coefficient of thermal expansion |
23.0 °C |
Coefficient of thermal expansion of 1.32E-5 1/K |
Typical for Medium Carbon Steel |
| Max service temperature |
- |
Max service temperature of 500 °C |
Typical for Carbon Steel |
| Melting point |
- |
Melting point of 1380 - 1514 °C |
Typical for Medium Carbon Steel |
| Specific heat capacity |
23.0 °C |
Specific heat capacity of 470 - 520 J/(kg·K) |
Typical for Medium Carbon Steel |
| Thermal conductivity |
23.0 °C |
Thermal conductivity of 21 - 52 W/(m·K) |
Typical for Medium Carbon Steel |
ISO 683-4 Grade 38SMn28 untreated chemical
| Property |
Value |
| Carbon |
Carbon of 0.35 - 0.4 % |
| Manganese |
Manganese of 1.2 - 1.5 % |
| Phosphorus |
Phosphorus of 0.06 % |
| Silicon |
Silicon of 0.4 % |
| Sulfur |
Sulfur of 0.24 - 0.33 % |
ISO 683-4 Grade 38SMn28 untreated 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 |
ISO 683-4 Grade 38SMn28 untreated mechanical
| Property |
Temperature |
Value |
Comment |
| Elastic modulus |
23.0 °C |
Elastic modulus of 200 - 215 GPa |
Typical for Medium Carbon Steel |
| Hardness, Brinell |
20.0 °C |
Hardness, Brinell of 163 - 228 [-] |
- |
| Poisson's ratio |
23.0 °C |
Poisson's ratio of 0.29 [-] |
Typical for Medium Carbon Steel |
| Shear modulus |
23.0 °C |
Shear modulus of 75 - 80 GPa |
Typical for Carbon Steel |
| Tensile strength |
20.0 °C |
Tensile strength of 530 - 780 MPa |
- |
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