EN 10083-1 Grade C30E Steel – Cold Shear Treatment (+S)
Steel C30E is suitable for components of higher dimension and more complex form which have to meet higher requirements to uniformity of qualities and surface appearance in vehicle manufacturing and machine engineering (e.g. gear wheels, steering knuckles, hubs). Lowest working temperature -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 | ||
Poisson's ratio | 23.0 °C | 0.29 [-] | Typical for Medium Carbon 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 | 500 °C | Typical for Carbon Steel | |
Max service temperature, long | -25 - 0 °C | ||
Melting point | 1380 - 1514 °C | Typical for Medium Carbon Steel | |
Specific heat capacity | -100.0 °C | 423 J/(kg·K) | |
20.0 °C | 460 - 461 J/(kg·K) | ||
100.0 °C | 479 - 480 J/(kg·K) | ||
200.0 °C | 499 - 520 J/(kg·K) | ||
300.0 °C | 517 J/(kg·K) | ||
400.0 °C | 536 - 610 J/(kg·K) | ||
500.0 °C | 558 J/(kg·K) | ||
600.0 °C | 587 J/(kg·K) | ||
Thermal conductivity | 20.0 °C | 48 - 50 W/(m·K) | |
100.0 °C | 48.9 - 51 W/(m·K) | ||
200.0 °C | 47.5 - 48.2 W/(m·K) | ||
300.0 °C | 44.7 - 45.6 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 | 0.27 - 0.34 % |
Chromium | 0.4 % |
Copper | 0.3 % |
Manganese | 0.5 - 0.8 % |
Molybdenum | 0.1 % |
Nickel | 0.4 % |
Phosphorus | 0.03 - 0.04 % |
Silicon | 0.1 - 0.4 % |
Sulfur | 0.035 % |
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