EN10028 P275NL2 steel plate/sheet,EN10028 P275NL2 steel plate/sheet, under EN standard, we can regard P275NL2 steel plate/sheet for boilers and Pressure Vessels steels.EN10028 P275NL12 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.And the followings are the chemical composition and mechanical properties of P275NL2.
The chemical composition of EN P275NL2 steel
| Element | Max % | Element | max % |
| C | 0.16 | Cu | 0.30 |
| Si | 0.40 | Mo | 0.08 |
| Mn | 0.50-1.50 | N | 0.02 |
| P | 0.03 | Nb | 0.05 |
| S | 0.02 | Ni | 0.50 |
| AL | 0.020 | Ti | 0.03 |
| Cr | 0.30 | V | 0.05 |
| Nb+Ti+V | 0.05 |
The mechanical properties of EN P275NL2 steel
| Grade | Material | Thickness | Yield Strength | Tensile Strength | Elongation |
| (mm) | MPa (min) | MPa | % (min) | ||
| P275NL2 | 1.1104 | ≤ 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 |
The impact test of EN P275NL2 steel
| 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 | |||
| P275NL2 | N | 5-150 | 30 | 40 | 65 | 90 | 100 | 27 | 30 | 40 | 60 | 70 |
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