DIN 1628 St 52.4 Steel: Normalized Grade for High-Performance Applications
Welded steel tubes made from St 52.4 are used in the apparatus engineering, container and pipe construction as well as mechanical engineering. Allowed max. operating temperature 300 °C. The steel is weldable.
Properties
General
| Property | Temperature | Value |
|---|---|---|
Density | 20.0 °C | 7.83 g/cm³ |
Mechanical
| Property | Temperature | Value | Comment |
|---|---|---|---|
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 | ||
Elongation | 20.0 °C | 21 % | |
Elongation, transverse | 20.0 °C | 19 % | |
Poisson's ratio | 23.0 °C | 0.29 [-] | Typical for Low Carbon Steel |
Shear modulus | 23.0 °C | 82 GPa | Typical for Low Carbon Steel |
Tensile strength | 20.0 °C | 500 - 650 MPa | |
Tensile strength, transverse | 20.0 °C | 500 - 650 MPa | |
Yield strength | 20.0 °C | 345 - 355 MPa | |
Yield strength Rp0.2 | 50.0 °C | 335 - 355 MPa | |
200.0 °C | 225 - 245 MPa | ||
250.0 °C | 210 - 225 MPa | ||
300.0 °C | 185 - 195 MPa | ||
Yield strength, transverse | 20.0 °C | 345 - 355 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 | ||
Max service temperature | 500 °C | Typical for Carbon Steel | |
Max service temperature, long | 0 - 300 °C | ||
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 | -100.0 °C | 37.6 W/(m·K) | |
20.0 °C | 42.2 W/(m·K) | ||
100.0 °C | 43.2 W/(m·K) | ||
200.0 °C | 42.9 W/(m·K) | ||
300.0 °C | 41.2 W/(m·K) | ||
400.0 °C | 39.1 W/(m·K) | ||
500.0 °C | 36.6 W/(m·K) | ||
600.0 °C | 34.1 W/(m·K) | ||
Thermal diffusivity | -100.0 °C | 12.9 mm²/s | |
20.0 °C | 11.7 mm²/s | ||
100.0 °C | 11.2 mm²/s | ||
200.0 °C | 10.3 mm²/s | ||
300.0 °C | 9.4 mm²/s | ||
400.0 °C | 8.3 mm²/s | ||
500.0 °C | 7.1 mm²/s | ||
600.0 °C | 5.7 mm²/s | ||
Electrical
| Property | Temperature | Value |
|---|---|---|
Electrical resistivity | -100.0 °C | 1.82E-7 Ω·m |
20.0 °C | 2.47E-7 Ω·m | |
100.0 °C | 2.96E-7 Ω·m | |
200.0 °C | 3.68E-7 Ω·m | |
300.0 °C | 4.55E-7 Ω·m | |
400.0 °C | 5.56E-7 Ω·m | |
500.0 °C | 6.75E-7 Ω·m | |
600.0 °C | 8.13E-7 Ω·m | |
Magnetic
| Property | Value | Comment |
|---|---|---|
Curie temperature | 770 °C | Typical for Low Carbon Steel |
Chemical properties
| Property | Value |
|---|---|
Aluminium | 0.02 % |
Carbon | 0.22 % |
Manganese | 1.6 % |
Phosphorus | 0.04 % |
Silicon | 0.22 % |
Sulfur | 0.035 % |
Metal
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