EN 10277-3 Grade 44SMnPb28 cold drawn
EN 10277-3 Grade 44SMnPb28 cold drawn introduction
The free cutting case hardening steel 44SMnPb28 is characterized by further enhancement of machinability properties. Application for 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: ISO 44SMnPb28, ASTM A108 Grade 11L44, SAE 11L44, UNS G11444, DIN 1.0763, DIN 44SMnPb28, AFNOR 44SMnPb28, BS 44SMnPb28, AISI 1144, SAE 1144, EN 1.0763, GB/T L20469, GB/T Y45MnSPb, ASTM Grade 1144, ASTM 1144, UNS G11440
EN 10277-3 Grade 44SMnPb28 cold drawn 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 44SMnPb28 cold drawn 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 44SMnPb28 cold drawn chemical
| Property |
Value |
| Carbon |
Carbon of 0.4 - 0.48 % |
| Lead |
Lead of 0.15 - 0.35 % |
| 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 44SMnPb28 cold drawn 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 5 - 7 % |
- |
| Poisson's ratio |
23.0 °C |
Poisson's ratio of 0.29 [-] |
Typical for Manganese Steel |
| Tensile strength |
20.0 °C |
Tensile strength of 630 - 1030 MPa |
- |
| Yield strength Rp0.2 |
20.0 °C |
Yield strength Rp0.2 of 390 - 600 MPa |
- |
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