P355QH Boiler grade plate
Vessel Steel Plate Products Description
P355QH steel boiler plate is a kind of high temperature pressure vessel steel plate specified in European standard EN 10028-6.P355QH vessel plate has high strength and high temperature resistance, which is suitable for the manufacture of high temperature pressure vessels and boilers and other equipment.
GNEE is a P355QH boiler plate supplier with 16 years' production experience.The P355QH vessel steel plate we offer is manufactured in strict accordance with the standards and has passed the quality certification.We can provide the quality certificate and accept the third-party testing.
PVQ Steel Plate Products Details
P355QH Pressure Vessel Plate Chemical Composition & Mechanical Property:
| C | Si | Mn | P | S | Ni | Cr | Mo | Cu | Nb | V | Ti | N | Zr | B |
| ≤0.16 | ≤0.4 | ≤1.5 | ≤0.025 | ≤0.015 | ≤0.5 | ≤0.3 | ≤0.25 | ≤0.3 | ≤0.05 | ≤0.06 | ≤0.03 | ≤0.015 | ≤0.05 | ≤0.005 |
| Grade | Delivery state | Thickness mm | Mechanical properties | |
| P355QH | quenching and tempering | <5 | ReH(MPa) | ≥355 |
| Rm(MPa) | 490～630 | |||
| A(%) | ≥22 | |||
| P355QH | 5~50 | ReH(MPa) | ≥355 | |
| Rm(MPa) | 490～630 | |||
| A(%) | ≥22 | |||
| Impact temperature ℃ | -20 | |||
| Akv(J) | ≥27 | |||
| P355QH | >50~100 | ReH(MPa) | ≥335 | |
| Rm(MPa) | 490～630 | |||
| A(%) | ≥22 | |||
| Impact temperature ℃ | -20 | |||
| Akv(J) | ≥27 | |||
| P355QH | >100~150 | ReH(MPa) | ≥315 | |
| Rm(MPa) | 450～590 | |||
| A(%) | ≥22 | |||
| Impact temperature ℃ | -20 | |||
| Akv(J) | ≥27 | |||
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