P355Q pressure vessel quality steel
P355Q boiler plate is tempered weldable fine grain steel plate, it is European standard container plate, 355 indicates the lower limit of yield strength of this container steel plate, number code: 1.8866.
P355Q vessel plate Execution standard: EN10028-6:2017.P355Q pressure vessel steel Delivery condition: quenched plus tempered (tempered), we can also choose the delivery method according to your requirements.
P355Q boiler steel plate has good plasticity, toughness, cold bending performance and welding performance.
boiler steel plate Chemical Composition
| C | Si | Mn | P | S | N | B | Cr | Cu | Mo | Nb | Ni | Ti | V |
| ≤0.16 | ≤0.4 | ≤1.5 | ≤0.025 | ≤0.01 | ≤0.015 | ≤0.005 | ≤0.3 | ≤0.3 | ≤0.25 | ≤0.05 | ≤0.5 | ≤0.03 | ≤0.06 |
Boiler Plate Steel mechanical property
| Grade | Thickness mm | Yield strength(MPa) | Tensile strength (MPa) | Elongation A(％) |
| P355Q | ≤50 | ≥355 | 490-630 | ≥22 |
| 50-100 | ≥335 | 450-590 | ||
| 100-150 | ≥315 | 450-590 |
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