EN10028 P275NH steel plate/sheet,EN10028 P275NH steel plate/sheet, under EN standard, we can regard P275NH steel plate/sheet for boilers and Pressure Vessels steels.EN10028 P275NH steel plate/sheet is for boilers and Pressure Vessels steels,it is a normalized steel plate and sheet which is mainly used for building pressure vessels and boilers and pipes for hot liquid.
P275NH steel chemical composition
| Element | Max % | Element | max % |
| C | 0.18 | Cu | 0.30 |
| Si | 0.40 | Mo | 0.08 |
| Mn | 0.50-1.40 | N | 0.02 |
| P | 0.03 | Nb | 0.05 |
| S | 0.03 | Ni | 0.50 |
| AL | 0.020 | Ti | 0.03 |
| Cr | 0.30 | V | 0.05 |
| Nb+Ti+V | 0.05 |
P275NH steel mechanical properties
| Grade | Material | Thickness | Yield Strength | Tensile Strength | Elongation |
| (mm) | MPa (min) | MPa | % (min) | ||
| P275NH | 1.0487 | ≤ 16 | 275 | ||
| 16> to ≤35 | 275 | ||||
| 35> to ≤50 | 265 | ||||
| 50> to ≤70 | 255 | 370-490 | 23 | ||
| 70> to ≤100 | 235 | 350-470 | 1) | ||
| 100> to ≤150 | 225 | 1) | 1) | ||
| >150 | 390-510 | 24 |
| Type | Usual Dekivery Condition |
Norminal Thickness (mm) |
Impact Energy KV min[J] at temperature [°C] | |||||||||
| Longitudinal | Longitudinal | |||||||||||
| -50 | -40 | -20 | 0 | +20 | -50 | -40 | -20 | 0 | +20 | |||
| P275NH | N | 5-150 | - | - | 40 | 47 | 55 | - | - | 20 | 27 | 31 |
Under the standard EN10028_3,steel plate P275NH shall be under Normalized delivery condition when processing.These steel grade P275NH and P275N mainly used in pressure vessels and boilers differ from other carbon_manganese structural steel plates owning to its high resistance to pressure at all temperatures when usage.
we also can supply P275N,P275NL1,P275NL2,if you are interested in our products ,please contact us.
Just like you, 70% customers choose long-term cooperation with BBN steel not only for our good product and service quality, good reputation in the international market, but also for our experienced one-stop raw material supply and further steel processing!
