DIN 17103 WStE 355: High-Temperature Grade Steel – Normalized or Normalized +N
The fine grained steel WStE 355 (high temperature grade) is used for welded constructions of different kind like pressure vessels, stationary or mobile storage tanks, high pressure lines, bridge and support constructions etc. The application temperature of the high temperature grade amounts to 400 °C.
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 | 22 % | |
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 | 450 - 630 MPa | |
Yield strength | 20.0 °C | 295 - 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 - 400 °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 | 0.2 % |
Chromium | 0.3 % |
Copper | 0.2 % |
Manganese | 0.9 - 1.65 % |
Molybdenum | 0.08 % |
Nickel | 0.3 % |
Niobium | 0.05 % |
Nitrogen | 0.02 % |
Phosphorus | 0.04 % |
Silicon | 0.1 - 0.5 % |
Sulfur | 0.03 % |
Vanadium | 0.1 % |
Metal
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