EN 10222-2 Grade P280GH: Normalized or Normalized-Formed Steel for High-Temperature Applications
The high-temperature steel P280GH, material number 1.0426 is used for pressure vessels.
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 - 23 % | |
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 | 460 - 580 MPa | |
Yield strength | 20.0 °C | 280 MPa | |
Yield strength Rp0.2 | 20.0 °C | 270 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 |
|---|---|
Carbon | 0.08 - 0.2 % |
Chromium | 0.3 % |
Copper | 0.3 % |
Manganese | 0.9 - 1.5 % |
Molybdenum | 0.08 % |
Nickel | 0.3 % |
Niobium | 0.01 % |
Phosphorus | 0.03 % |
Silicon | 0.04 - 0.4 % |
Sulfur | 0.015 % |
Titanium | 0.03 % |
Vanadium | 0.02 % |
Metal
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- EN 10222-2 Grade 16Mo3 Steel – Normalized or Normalized Formed (+N) for High‑Temperature Applications
- EN 10222‑2 Grade P245GH Steel – Normalized & Normalized‑Formed (+N) for High‑Temperature Forging
- EN 10222-2 Grade P280GH: Normalized & Tempered Steel for Pressure Vessels
- EN 10222-2 Grade P280GH: Normalized or Normalized-Formed Steel for High-Temperature Applications
- EN 10222‑2: P305GH Grade – Normalized or Normalized‑Formed Steel (+N)
- EN 10216-2 Grade St 45.8: High‑Temperature Normalized Tube Steel (+N) for Seamless Tubes
- EN 10217-2 Grade St 37.8: High‑Temperature Normalized Tube Steel for Industrial Use
- EN 10217‑2 Grade St 42.8 Tube Steel – High‑Temperature Normalized Formed for Vessels & Petrochemical Use