P355Q steel is a hardenable and tempered weldable fine-grained steel for pressure vessels. It is a professional alloy steel with good plasticity, toughness, cold bending performance and welding performance. P355Q steel plates are often delivered in quenched and tempered condition.
Executive standard: EN10028-6
Material number: 1.8866
Chemical composition(%) of EN10028-6 P355Q steel
C≤0.16, Si≤0.40, Mn≤1.50, P≤0.025, S≤0.010, N≤0.015, B≤0.005, Cr≤0.30, Cu≤0.30, Mo≤0.25, Nb≤0.05, Ni≤0.50, Ti≤0.03, V≤0.06, Zr≤0.05
P355Q plate mechanical properties
| Thickness (mm) |
Yield strength (MPa) |
Tensile Strength(MPa) |
Elongation, A(％) |
| ≤50 |
≥355 |
490-630 |
≥22 |
| 50-100 |
≥335 |
450-590 |
| 100-150 |
≥315 |
450-590 |
EN10028-6 P355Q pressure vessel steel plate specificationThickness:3-150mm
Width:1220-4200mm
Length: 5000-18000mm
MOQ: 1 PC
Product type : Steel plates, sheets
Delivery time : Promptly ( Stock) or 10-40 days (Production)
Stock : 200 tons
MTC: Available
Payment Term : T/T or L/C At sight .
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