P355N steel plate is a normalized, weldable fine grain steels for pressure purposed. The dimensions and tolerance on dimensions should be according to EN10028-1.
Element
|
By max%
|
Element
|
By max%
|
C
|
0.18
|
Cr
|
0.30
|
Si
|
0.50
|
Cu
|
0.30
|
Mn
|
1.10-1.70
|
Mo
|
0.08
|
P
|
0.025
|
Nb
|
0.05
|
S
|
0.015
|
Ni
|
0.50
|
Al
|
0.020
|
Ti
|
0.03
|
N
|
0.012
|
V
|
0.01
|
Grade
|
Type
|
Thickness
mm
|
Yield
Strength
MPa(min)
|
Tensile
strength
MPa
|
Elongation
%(min)
|
Impact
EnergyKVJ(min)
-20 degree
|
P355N
|
Normalized
|
≤16
|
355
|
490-630
|
22
|
30
|
16>to≤40
|
345
|
490-630
|
22
|
30
|
||
40>to≤60
|
335
|
490-630
|
22
|
30
|
||
60>to≤100
|
315
|
470-610
|
21
|
30
|
||
100>to≤150
|
305
|
460-600
|
21
|
30
|
||
150>to≤250
|
295
|
450-590
|
21
|
30
|
Source:
Tags: EN10028-1 P355N, P355N steel plate/steel sheet, P355N IS THE STEEL FOR PRESSURAL VESSEL AND BOILER