P275NL1 steel plate is a European grade, and P275NL1 is a weldable normalized fine-grained steel used for pressure-bearing equipment.
The implementation standard of P275NL1 steel plate is EN 10028-3, and the delivery state of P275NL1 plate is normalized.
P275NL1 steel plate mechanical properties:
| Thickness | Tensile Test | ||
| Yield Strength | Tensile Strength | Elongation % | |
| ≤16 | 275 | 390-510 | 24 |
| 16-40 | 265 | ||
| 40-60 | 255 | ||
| 60-100 | 235 | 370-490 | 23 |
| 100-150 | 225 | 360-480 | |
| 150-250 | 215 | 350-470 | |
Chemical composition and melting analysis of P275NL1 steel plate:
| C | Si | Mn | P | S | Alt | N |
| ≤0.16 | ≤0.40 | 0.80-1.50 | ≤0.025 | ≤0.008 | ≥0.020 | ≤0.012 |
| Cr | Cu | Mo | Nb | Ni | Ti | V |
| ≤0.30 | ≤0.30 | ≤0.08 | ≤0.05 | ≤0.50 | ≤0.03 | ≤0.05 |
Remarks: 1.Nb+Ti+V≤0.05.
2. Thickness t≤60mm, CEV≤0.40; 60
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