EN 10277-3 Grade 44SMn28 cold drawn and quenched and tempered (+C+QT)
EN 10277-3 Grade 44SMn28 cold drawn and quenched and tempered (+C+QT) introduction
The free cutting case hardening steel 44SMn28 is well machinable and used for production of turned parts of higher strength demands. As a bright steel product it is used in the form of bars, bright, straight, in various conditions (see DIN EN 10277 : 1999-10).
Equivalent material: AS 1144, ISO 44SMn28, ASTM A108 Grade 1144, SAE 1144, UNS G11440, DIN 1.0762, DIN 44SMn28, DIN ETG 88, DIN ETG 100, AFNOR 44SMn28, BS 44SMn28, BS 226M44, AISI 1144, JIS SUM43, JIS 44SMn28, EN 1.0762, GOST A40G, GB/T L20459, GB/T Y45Mn, ASTM Grade 1144, ASTM 1144
EN 10277-3 Grade 44SMn28 cold drawn and quenched and tempered (+C+QT) general
| Property |
Temperature |
Value |
Comment |
| Density |
23.0 °C |
Density of 7.8 - 7.9 g/cm³ |
Typical for Manganese Steel |
EN 10277-3 Grade 44SMn28 cold drawn and quenched and tempered (+C+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 |
EN 10277-3 Grade 44SMn28 cold drawn and quenched and tempered (+C+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 % |
EN 10277-3 Grade 44SMn28 cold drawn and quenched and tempered (+C+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 Rp0.2 |
20.0 °C |
Yield strength Rp0.2 of 400 - 420 MPa |
- |
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