P355N steel grade is one of grade in En10028-3, which is non alloy and alloy steels with specified elevated temperature properties. P355N grades are used above all for manufacturing boilers, pressure vessels and pipes transporting hot liquids.
P355N steel plate Chemical Composition
|
Grade
|
The Element Max (%)
|
||||||
|
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
|
|
|
Grade
|
|
P355N steel sheet Mechanical Property
|
|||||
|
Thickness
|
Yield
|
Tensilmie
|
Elongation
|
Impact Energy(KV J) min
|
|||
|
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
| |
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