P355N Pressure Vessel Steel plate is a normalized, weldable fine grain steels for pressure purposed. P355N Pressure Vessel Steel plate mean the room temperature.The equal material of P355N steel is: DIN 17102 StE355, UNI7382 FeE355KG, UNE36081 AE355KG, BS1501 223Gr. 490.
P355N steel plate is used in oil, chemical, power plants, boilers and other industries, for the production reactor, heat exchangers, separators, spherical tanks, oil and gas cylinders, liquefied petroleum gas tanks, nuclear reactor pressure shell, boiler drum, liquefied petroleum gas cylinders and so on.
P355N Pressure Vessel Steel plate Specification
Thickness:6mm-350mm
Width:1500mm-4200mm
Length:3000mm-18000mm
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P355N Chemical Composition |
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Grade |
The Element Max (%) |
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|
C |
Si |
Mn |
P |
S |
Al(min) |
N |
|
|
P355N |
0.20 |
0.50 |
0.9-1.70 |
0.03 |
0.025 |
|
0.02 |
|
Cr |
Cu |
Mo |
Nb |
Ni |
Ti |
V |
|
|
0.30 |
0.30 |
0.08 |
0.005 |
0.50 |
0.03 |
0.10 |
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Carbon Equivalent: Ceq = 【C+Mn/6+(Cr+Mo+V)/5+(Ni+Cu)/15】%
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Grade |
|
P355N Mechanical Property |
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Thickness |
Yield |
Tensilmie |
Elongation |
Impact Energy(KV J) min |
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|
P355N |
mm |
Min Mpa |
Mpa |
Min % |
-20° |
0° |
+20° |
|
≤ 16 |
355 |
490-630 |
22 |
40 |
47 |
55 |
|
|
16> to ≤35 |
355 |
490-630 |
22 |
40 |
47 |
55 |
|
|
35> to ≤50 |
345 |
490-630 |
22 |
40 |
47 |
55 |
|
|
50> to ≤70 |
325 |
490-630 |
22 |
40 |
47 |
55 |
|
|
70> to ≤100 |
315 |
470-610 |
21 |
40 |
47 |
55 |
|
|
100> to ≤150 |
295 |
450-590 |
21 |
40 |
47 |
55 |
|
|
Equivalent steel grade of P355N |
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|
Europe |
Belgium |
Germany |
France |
Italy |
Sweden |
India |
Japan |
|
Fe E355 |
D52-1,2 |
A St52 |
A52CP |
Fe510-1-KW |
SS 21,06,01 |
Grade 1 |
SPV 355 |




