Steel for Boilers and Pressure Vessels P355NH
P355NH Steel Plate under EN 10028-3 standard which is mainly used for building pressure vessels and boilers and pipes for hot liquid.
More informational about P355NH Steel Plate details, please see the following:
P355NH Steel Plate Specification:
Standards: BS GB ASTM JIS EN
Thickness: 6-180mm
Width: 900-4800mm
Length: 1000-52000mm
P355NH Steel heat treatment: Normalizing, Annealing, Tempering, Quenching, Hardening and tempering, Seasoning, Surface hardening, Carburizing.
P355NH steel chemical composition:
Chemical elements |
C |
Si |
Mn |
P |
S |
Cu |
Cr |
Ni |
V |
Nb |
Al |
|
%,by mass |
0.20 |
0.50 |
1.10-1.70 |
0.025 |
0.015 |
0.30 |
0.3-1.25 |
0.50 |
0.10 |
0.05 |
0.02 |
P355NH steel mechanical properties:
Grade |
Type |
Thickness |
Yield Strength |
Tensile Strength |
Elongation |
Impact Energy |
|
(mm) |
MPa (min) |
MPa |
% (min) |
(KV J) (min) |
||
|
|
|
|
|
-20 degree |
||
|
P355NH |
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 |
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