EN 10263-4 Grade Cq22: Cold-Drawn, Annealed Steel with Spheroidized Carbides – Ideal for High-Strength Applications
The cold-upsettable steel Cq 22 can be cold-formed with medium to high rate of forming according to the usual forming methods on single-stage and multi-stage presses. It is used, for example, for spacer nuts, piston bolts, 5.6 screws and nuts of strength class 8.
Properties
General
| Property | Temperature | Value |
|---|---|---|
Density | 20.0 °C | 7.85 g/cm³ |
Mechanical
| Property | Temperature | Value |
|---|---|---|
Elastic modulus | -100.0 °C | 217 GPa |
20.0 °C | 212 GPa | |
100.0 °C | 207 GPa | |
200.0 °C | 199 GPa | |
300.0 °C | 192 GPa | |
400.0 °C | 184 GPa | |
500.0 °C | 175 GPa | |
600.0 °C | 164 GPa | |
Poisson's ratio | 20.0 °C | 0.28 [-] |
Reduction of area | 20.0 °C | 66 % |
Tensile strength | 20.0 °C | 480 - 500 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 | 1.25E-5 1/K | ||
200.0 °C | 1.3E-5 1/K | ||
300.0 °C | 1.36E-5 1/K | ||
400.0 °C | 1.41E-5 1/K | ||
500.0 °C | 1.45E-5 1/K | ||
600.0 °C | 1.49E-5 1/K | ||
Melting point | 1480 - 1526 °C | Typical for Low Carbon Steel | |
Specific heat capacity | -100.0 °C | 423 J/(kg·K) | |
20.0 °C | 461 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 | 56.9 W/(m·K) | |
100.0 °C | 56.4 W/(m·K) | ||
200.0 °C | 53.5 W/(m·K) | ||
300.0 °C | 49.4 W/(m·K) | ||
400.0 °C | 45.2 W/(m·K) | ||
500.0 °C | 41.3 W/(m·K) | ||
600.0 °C | 37.6 W/(m·K) | ||
Thermal diffusivity | 20.0 °C | 15.7 mm²/s | |
100.0 °C | 14.5 mm²/s | ||
200.0 °C | 12.9 mm²/s | ||
300.0 °C | 11.2 mm²/s | ||
400.0 °C | 9.6 mm²/s | ||
500.0 °C | 7.9 mm²/s | ||
600.0 °C | 6.3 mm²/s | ||
Electrical
| Property | Temperature | Value |
|---|---|---|
Electrical resistivity | 20.0 °C | 1.83E-7 Ω·m |
100.0 °C | 2.27E-7 Ω·m | |
200.0 °C | 2.95E-7 Ω·m | |
300.0 °C | 3.8E-7 Ω·m | |
400.0 °C | 4.81E-7 Ω·m | |
500.0 °C | 5.99E-7 Ω·m | |
600.0 °C | 7.38E-7 Ω·m | |
Magnetic
| Property | Value | Comment |
|---|---|---|
Curie temperature | 770 °C | Typical for Low Carbon Steel |
Chemical properties
| Property | Value |
|---|---|
Carbon | 0.17 - 0.24 % |
Manganese | 0.3 - 0.6 % |
Phosphorus | 0.04 % |
Silicon | 0.4 % |
Sulfur | 0.035 % |
Metal
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