EN10028-6 specifies the requirements for flat products for pressure equipments made of quenched and tempered steels.This standard covers steel P355Q, P355QH, P355QL1, P355QL2, P460Q, P460QH, P460QL1, P460QL2, P500Q, P500QH, P500QL1, P500QL2, P690Q, P690QH, P690QL1 and P690QL2. These plates are widely used in the fabrication of boilers and pressure vessels in industries such as shipbuilding, petrochemical and manufacturing.
Boiler steel P355QH used to make the reactor, heat exchanger, separator, spherical tank, liquefied gas, nuclear reactor pressure vessel and boiler steam drum bottle steam, liquefied petroleum, hydropower station high pressure hose, spiral case and other equipment and components.
Steel Standard:EN 10028-6
Rolling Type:Pressure vessel steel plate,Boiler steel plate
Thickness:6mm-350mm
Width:1500mm-4200mm
Length:3000mm-18000mm
Heat Treatment:Quenched and Tempered
Mechanical property for P355QH pressure vessel steel:
|
Thickness (mm) |
|||
|
P355QH |
≤ 50 |
> 50 ≤ 100 |
> 100 |
|
Yield strength (≥Mpa) |
355 |
335 |
315 |
|
|
≤ 100 |
> 100 |
|
|
Tensile strength (Mpa) |
490-630 |
450-590 |
|
P355QH Chemical composition cast analysis
|
Element |
P355QH Max % |
Element |
P355QH max % |
|
C |
0.16 |
Cr |
0.30 |
|
Si |
0.40 |
Mo |
0.25 |
|
Mn |
1.50 |
Cu |
0.30 |
|
P |
0.025 |
Nb |
0.05 |
|
S |
0.015 |
Ni |
0.50 |
|
N |
0.015 |
TI |
0.03 |
|
B |
0.005 |
V |
0.06 |
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