EN10028 P355NH steel plate/sheet, under EN standard, we can regard P355NH steel plate/sheet for boilers and Pressure Vessels steels. EN10028 P355NH steel plate/sheet is for boilers and Pressure Vessels steels, it is a normalized steel plate and sheet which is mainly used for building pressure vessels and boilers and pipes for hot liquid.
P355NH Boiler steel Application:
petroleum, chemical, power plants, boilers and other industries for the production of reactors, heat exchangers, separators, tank, gas tank, gas cans, nuclear reactor pressure vessel, boiler drum, liquefied petroleum gas bottles, hydropower high-pressure pipes, turbine volute other equipment and components.
Mechanical property for P355NH pressure vessel steel:
|
Grade |
P355NH Mechanical Property |
||||||
|
Thickness |
Yield |
Tensilmie |
Elongation |
Impact Energy(KV J) min |
|||
|
P355NH |
mm |
Min Mpa |
Mpa |
Min % |
-20° |
0° |
+20° |
|
≤ 16 |
355 |
490-630 |
22 |
47 |
55 |
63 |
|
|
16> to ≤35 |
355 |
490-630 |
22 |
47 |
55 |
63 |
|
|
35> to ≤50 |
345 |
490-630 |
22 |
47 |
55 |
63 |
|
|
50> to ≤70 |
325 |
490-630 |
22 |
47 |
55 |
63 |
|
|
70> to ≤100 |
315 |
470-610 |
21 |
47 |
55 |
63 |
|
|
100> to ≤150 |
295 |
450-590 |
21 |
47 |
55 |
63 |
|
Chemical composition for P355NH pressure vessel steel (Heat Analysis Max%)
|
Main chemical elements composition of P355NH |
|||||||
|
C |
Si |
Mn |
P |
S |
Al (total) |
N |
Cr |
|
0.18 |
0.50 |
1.10-1.70 |
0.025 |
0.015 |
≥0.020 |
0.012 |
0.30 |
|
Cu |
Mo |
Nb |
Ni |
Ti |
V |
Nb+Ti+V |
|
|
0.30 |
0.08 |
0.05 |
0.50 |
0.03 |
0.10 |
0.12 |
|
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