ISO 683-4 Grade 44SMn28 quenched and tempered (+QT)
ISO 683-4 Grade 44SMn28 quenched and tempered (+QT) introduction
The free-cutting steel 44SMn28, suitable for quenching and tempering, well machinable. Application for turned parts of higher strength requirements.
Equivalent material: GB Y45Mn, GB L20459, EN 1.0762, ISO 44SMn28, JIS SUM43, KS SUM43, SAE 1144, UNS G11440, DIN 1.0762, DIN 44SMn28, DIN ETG 88, DIN ETG 100, AFNOR 44SMn28, BS 44SMn28, BS 226M44, AISI 1144, JIS 44SMn28, GOST A40G, GB/T L20459, GB/T Y45Mn, ASTM Grade 1144, ASTM 1144
ISO 683-4 Grade 44SMn28 quenched and tempered (+QT) general
| Property |
Temperature |
Value |
Comment |
| Density |
23.0 °C |
Density of 7.8 - 7.9 g/cm³ |
Typical for Manganese Steel |
ISO 683-4 Grade 44SMn28 quenched and tempered (+QT) thermal
| Property |
Temperature |
Value |
Comment |
| Coefficient of thermal expansion |
23.0 °C |
Coefficient of thermal expansion of 1.33E-5 1/K |
Typical for Manganese Steel |
| Melting point |
- |
Melting point of 1382 - 1529 °C |
Typical for Manganese Steel |
| Specific heat capacity |
23.0 °C |
Specific heat capacity of 510 - 553 J/(kg·K) |
Typical for Manganese Steel |
| Thermal conductivity |
23.0 °C |
Thermal conductivity of 14 - 16 W/(m·K) |
Typical for Manganese Steel |
ISO 683-4 Grade 44SMn28 quenched and tempered (+QT) chemical
| Property |
Value |
| Carbon |
Carbon of 0.4 - 0.48 % |
| Manganese |
Manganese of 1.3 - 1.7 % |
| Phosphorus |
Phosphorus of 0.06 % |
| Silicon |
Silicon of 0.4 % |
| Sulfur |
Sulfur of 0.24 - 0.33 % |
ISO 683-4 Grade 44SMn28 quenched and tempered (+QT) mechanical
| Property |
Temperature |
Value |
Comment |
| Elastic modulus |
23.0 °C |
Elastic modulus of 200 - 215 GPa |
Typical for Manganese Steel |
| Elongation |
20.0 °C |
Elongation of 16 % |
- |
| Poisson's ratio |
23.0 °C |
Poisson's ratio of 0.29 [-] |
Typical for Manganese Steel |
| Tensile strength |
20.0 °C |
Tensile strength of 700 - 850 MPa |
- |
| Yield strength |
20.0 °C |
Yield strength of 400 - 520 MPa |
- |
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