Boiler Quality Plates P355N
P355N container steel plate is a low carbon steel with a carbon content of less than 20%, the maximum tensile strength of P355N Pressure Vessel Steel Plate is 650Mpa, the elongation is greater than 20%, and it is mainly used for the construction of pressure vessels and boilers and hot liquid pipelines.
GNEE steel is a professional exporter and steel distributor of P355N vessel plate in China. We have more than 50,000 tons of P355N boiler plate in stock every month. We provide rust removal, cutting, punching, bending, welding and other services. For P355N pressure vessel steel prices, please feel free to contact us by email or phone.
P355N boiler steel plate chemical composition
| Element | Max % | Element | max % |
| C | 0.20 | Cu | 0.30 |
| Si | 0.50 | Mo | 0.08 |
| Mn | 0.90-1.70 | 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 | 0.10 |
| Nb+Ti+V | 0.12 |
P355N steel boiler plate mechanical property
| Grade | Material | Thickness | Yield Strength | Tensile Strength | Elongation |
| (mm) | MPa (min) | MPa | % (min) | ||
| P355N | 1.0562 | ≤ 16 | 355 | ||
| 16> to ≤35 | 355 | ||||
| 35> to ≤50 | 345 | ||||
| 50> to ≤70 | 325 | 490-630 | 22 | ||
| 70> to ≤100 | 315 | 470-610 | 21 | ||
| 100> to ≤150 | 295 | 450-590 | 21 | ||
| >150 | 1) | 1) | 1) |
P355N Boiler Plate Steel impact test
| 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 | |||
| P355N | N | 5-150 | - | - | 40 | 47 | 55 | - | - | 20 | 27 | 31 |
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