EN10028 P275NL1 steel plate/sheet,EN10028 P275NL1 steel plate/sheet, under EN standard, we can regard P275NL1 steel plate/sheet for boilers and Pressure Vessels steels.EN10028 P275NL1 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 P275NL1.
The chemical composition of EN P275NL1 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 P275NL1 steel
| Grade | Material | Thickness | Yield Strength | Tensile Strength | Elongation |
| (mm) | MPa (min) | MPa | % (min) | ||
| P275NL1 | 1.0488 | ≤ 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 P275NL1 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 | |||
| P275NL1 | N | 5-150 | 27 | 34 | 47 | 55 | 63 | 16 | 20 | 27 | 34 | 40 |
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