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Pressure Vessel Steel Home Page EN 10028 P235GH | P265GH | P295GH | P355GH | P275 NH/NL1/NL2 | P355 NH/NL1/NL2 P460 NH/NL1/NL2 |
P460NH, so called for having a minimum yield strength of 460 MPa, is is a high quality pressure vessel steel grade for use in boiler and pressure vessel fabrication. It is a normalised fine grain steel with good weldability characteristics.
Other grade types include...
- NL1 – is ideal for use in low temperatures
- NL2 – is ideal for use in especially low temperatures
Please refer to the data tables below for more information.
Table 1: Chemical Composition of EN 10028 P460 NH, P460 NL1 & P460 NL2
Chemical element composition is % by mass.| Element | P460NH | P460NL1 | P460NL2 | Element | P460NH | P460NL1 | P460NL2 |
| Carbon (C) max. |
0.20 | 0.20 | 0.20 | Silicon (Si) max. |
0.60 | 0.60 | 0.60 |
| Manganese (Mn) | 1.10 to 1.70 | 1.10 to 1.70 | 1.10 to 1.70 | Phosphorous (P) max. |
0.025 | 0.025 | 0.020 |
| Sulphur (S) max. |
0.015 | 0.015 | 0.010 | Chromium (Cr) min. |
0.30 | 0.30 | 0.30 |
| Molybdenum (Mo) max. |
0.10 | 0.10 | 0.10 | Nickel (Ni) max. |
0.80 | 0.80 | 0.80 |
| Niobium (Nb) max. |
0.05 | 0.05 | 0.05 | Titanium (Ti) max. |
0.03 | 0.03 | 0.03 |
| Vanadium (V) max. |
0.20 | 0.20 | 0.20 | Nitrogen (N) max. |
0.025 | 0.025 | 0.025 |
| Aluminium (Al) max. |
0.020 | 0.020 | 0.020 | Copper (Cu) max. |
0.70 | 0.70 | 0.70 |
The combined quantities of Niobium, Titanium and Vanadium should be 0.22% max.
Table 2: Mechanical Properties of EN 10028 P460 NH, P460 NL1 & P460 NL2
| Grade | Type | Thickness (mm) |
Yield Strength MPa (min) |
Tensile Strength MPa |
Elongation % (min) |
| P460 NH P460 NL1 P460 NL2 |
Normalized | ≤ 16 16> to ≤40 40> to ≤60 60> to ≤100 100> to ≤150 |
460 445 430 400 – |
570 to 750 570 to 720 570 to 720 540 to 710 – |
17 17 17 17 17 |
To find out more about P460 NH, NL1 & NL2 and to receive a competitive quotation for the supply of this material, please click here to contact us.
Equivalent grades :
There are no comparisons available for this particular steel grade.
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