EN 10222‑4 Grade P285NH – Weldable Fine‑Grained Steel, Normalized/Normalized‑Formed (N)
Steel P285NH is a weldable fine grained steel with a yield strength of max. 285 N/mm². Application: pressure vessel construction, apparatus engineering, general machine and toolbuilding.
Properties
General
| Property | Temperature | Value | Comment |
|---|---|---|---|
Density | 23.0 °C | 7.8 - 7.9 g/cm³ | Typical for Low Carbon Steel |
Mechanical
| Property | Temperature | Value | Comment |
|---|---|---|---|
Elastic modulus | 23.0 °C | 200 - 215 GPa | Typical for Low Carbon Steel |
Elongation | 20.0 °C | 21 - 24 % | |
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 | 390 - 510 MPa | |
Yield strength | 20.0 °C | 265 - 285 MPa | |
200.0 °C | 206 MPa | ||
250.0 °C | 186 MPa | ||
300.0 °C | 157 MPa | ||
350.0 °C | 137 MPa | ||
400.0 °C | 118 MPa | ||
Yield strength Rp0.2 | 20.0 °C | 255 - 275 MPa | |
50.0 °C | 251 - 276 MPa | ||
100.0 °C | 237 - 259 MPa | ||
150.0 °C | 219 - 240 MPa | ||
200.0 °C | 201 - 221 MPa | ||
250.0 °C | 184 - 202 MPa | ||
300.0 °C | 151 - 166 MPa | ||
350.0 °C | 137 - 153 MPa | ||
400.0 °C | 118 - 144 MPa | ||
Thermal
| Property | Temperature | Value | Comment |
|---|---|---|---|
Coefficient of thermal expansion | 23.0 °C | 1.32E-5 - 1.38E-5 1/K | Typical for Low Carbon Steel |
Max service temperature | 500 °C | Typical for Carbon Steel | |
Melting point | 1480 - 1526 °C | Typical for Low Carbon Steel | |
Specific heat capacity | 23.0 °C | 465 J/(kg·K) | Typical for Low Carbon Steel |
Thermal conductivity | 23.0 °C | 25 - 93 W/(m·K) | Typical for Low Carbon Steel |
Electrical
| Property | Temperature | Value | Comment |
|---|---|---|---|
Electrical resistivity | 23.0 °C | 1.43E-7 - 1.74E-7 Ω·m | Typical for Carbon Steel |
Magnetic
| Property | Value | Comment |
|---|---|---|
Curie temperature | 770 °C | Typical for Low Carbon Steel |
Chemical properties
| Property | Value |
|---|---|
Aluminium | 0.02 - 0.06 % |
Carbon | 0.18 % |
Chromium | 0.3 % |
Copper | 0.2 % |
Manganese | 0.6 - 1.5 % |
Molybdenum | 0.08 % |
Nickel | 0.3 % |
Niobium | 0.03 % |
Nitrogen | 0.02 % |
Phosphorus | 0.03 % |
Silicon | 0.4 % |
Sulfur | 0.01 - 0.015 % |
Vanadium | 0.05 % |
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