EN 10083-1 Grade C25R Quenched & Tempered Steel – Ideal for Vehicle & Machine Engineering
Steel C25R is suitable for low strained parts in vehicle manufacturing and machine engineering which have to meet higher demands on workability while maintaining mechanical properties (e.g. transmission parts, crankshafts, cylinder). 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 | ||
Elongation | 20.0 °C | 19 - 21 % | |
Poisson's ratio | 23.0 °C | 0.29 [-] | Typical for Low Carbon Steel |
Reduction of area | 20.0 °C | 45 - 50 % | |
Shear modulus | 20.0 °C | 81 GPa | |
Tensile strength | 20.0 °C | 500 - 700 MPa | |
Yield strength | 20.0 °C | 320 - 370 MPa | |
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 | 1480 - 1526 °C | Typical for Low 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 | 39.6 - 52 W/(m·K) | |
100.0 °C | 41 - 51 W/(m·K) | ||
200.0 °C | 41 - 49 W/(m·K) | ||
300.0 °C | 39.9 - 46 W/(m·K) | ||
400.0 °C | 38.1 W/(m·K) | ||
500.0 °C | 35.9 W/(m·K) | ||
600.0 °C | 33.6 W/(m·K) | ||
Thermal diffusivity | 20.0 °C | 11 mm²/s | |
100.0 °C | 10.6 mm²/s | ||
200.0 °C | 9.9 mm²/s | ||
300.0 °C | 9 mm²/s | ||
400.0 °C | 8.1 mm²/s | ||
500.0 °C | 6.9 mm²/s | ||
600.0 °C | 5.7 mm²/s | ||
Electrical
| Property | Temperature | Value |
|---|---|---|
Electrical resistivity | 20.0 °C | 1.2E-7 - 2.63E-7 Ω·m |
100.0 °C | 3.12E-7 Ω·m | |
200.0 °C | 3.85E-7 Ω·m | |
300.0 °C | 4.7E-7 Ω·m | |
400.0 °C | 5.71E-7 Ω·m | |
500.0 °C | 6.88E-7 Ω·m | |
600.0 °C | 8.25E-7 Ω·m | |
Magnetic
| Property | Value | Comment |
|---|---|---|
Curie temperature | 770 °C | Typical for Low Carbon Steel |
Chemical properties
| Property | Value |
|---|---|
Carbon | 0.22 - 0.29 % |
Chromium | 0.4 % |
Copper | 0.3 % |
Manganese | 0.4 - 0.7 % |
Molybdenum | 0.1 % |
Nickel | 0.4 % |
Phosphorus | 0.03 - 0.04 % |
Silicon | 0.1 - 0.4 % |
Sulfur | 0.02 - 0.04 % |
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