DIN 17200 Grade 28Mn6 Steel – Cold Shear (+S) for Automotive & Machine Applications
Steel 28 Mn 6 is suitable for lower strained parts in vehicle manufacturing, engine and machine engineering, weldable (e.g. cardan shafts, camshafts, gear wheels). Lowest application temp. -25 °C.
Properties
General
| Property | Temperature | Value |
|---|---|---|
Density | 20.0 °C | 7.82 - 7.85 g/cm³ |
Mechanical
| Property | Temperature | Value | Comment |
|---|---|---|---|
Elastic modulus | -100.0 °C | 217 GPa | |
20.0 °C | 210 - 212 GPa | ||
100.0 °C | 205 - 207 GPa | ||
200.0 °C | 195 - 199 GPa | ||
300.0 °C | 185 - 192 GPa | ||
400.0 °C | 175 - 184 GPa | ||
500.0 °C | 175 GPa | ||
600.0 °C | 164 GPa | ||
Hardness, Brinell | 20.0 °C | 255 [-] | |
Poisson's ratio | 23.0 °C | 0.29 [-] | Typical for Manganese Steel |
Shear modulus | 20.0 °C | 81 GPa | |
Thermal
| Property | Temperature | Value | Comment |
|---|---|---|---|
Coefficient of thermal expansion | -100.0 °C | 1.08E-5 1/K | |
20.0 °C | 1.19E-5 1/K | ||
100.0 °C | 1.11E-5 - 1.25E-5 1/K | ||
200.0 °C | 1.21E-5 - 1.3E-5 1/K | ||
300.0 °C | 1.29E-5 - 1.36E-5 1/K | ||
400.0 °C | 1.35E-5 - 1.41E-5 1/K | ||
500.0 °C | 1.45E-5 1/K | ||
600.0 °C | 1.49E-5 1/K | ||
Max service temperature, long | -25 - 0 °C | ||
Melting point | 1382 - 1529 °C | Typical for Manganese Steel | |
Specific heat capacity | -100.0 °C | 423 J/(kg·K) | |
20.0 °C | 461 - 490 J/(kg·K) | ||
100.0 °C | 479 J/(kg·K) | ||
200.0 °C | 499 J/(kg·K) | ||
300.0 °C | 517 J/(kg·K) | ||
400.0 °C | 536 J/(kg·K) | ||
500.0 °C | 558 J/(kg·K) | ||
600.0 °C | 587 J/(kg·K) | ||
Thermal conductivity | 20.0 °C | 48 - 52 W/(m·K) | |
100.0 °C | 48.9 W/(m·K) | ||
200.0 °C | 47.5 W/(m·K) | ||
300.0 °C | 44.7 W/(m·K) | ||
400.0 °C | 41.6 W/(m·K) | ||
500.0 °C | 38.6 W/(m·K) | ||
600.0 °C | 35.5 W/(m·K) | ||
Thermal diffusivity | 20.0 °C | 13.3 mm²/s | |
100.0 °C | 12.6 mm²/s | ||
200.0 °C | 11.5 mm²/s | ||
300.0 °C | 10.2 mm²/s | ||
400.0 °C | 8.9 mm²/s | ||
500.0 °C | 7.5 mm²/s | ||
600.0 °C | 6 mm²/s | ||
Electrical
| Property | Temperature | Value |
|---|---|---|
Electrical resistivity | 20.0 °C | 1.2E-7 - 2.17E-7 Ω·m |
100.0 °C | 2.62E-7 Ω·m | |
200.0 °C | 3.32E-7 Ω·m | |
300.0 °C | 4.2E-7 Ω·m | |
400.0 °C | 5.23E-7 Ω·m | |
500.0 °C | 6.41E-7 Ω·m | |
600.0 °C | 7.8E-7 Ω·m | |
Chemical properties
| Property | Value |
|---|---|
Carbon | 0.25 - 0.32 % |
Manganese | 1.3 - 1.65 % |
Phosphorus | 0.04 % |
Silicon | 0.4 % |
Sulfur | 0.03 % |
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