P355GH pressure vessel steel introduction
Standard: EN 10028-2: 2009 Flat products made of steels for pressure purposes. Non-alloy and alloy steels with specified elevated temperature properties
Material number: 1.0473
Classification: Non-alloy quality steel,pressure vessel steel
P355GH is a pressure vessel steel grade as specified under the Euro Norm standard (EN10028) which has superseded British Standard and DIN standard equivalents.
P355NH pressure vessel steel introduction
Standard: EN 10028-3: 2009 Flat products made of steels for pressure purposes. Weldable fine grain steels, normalized
Material number: 1.0565
Classification: Non-alloy elevated temperature quality steel
P355GH steel vs P355NH steel in chemical analysis
Grade |
C. % |
Mn.% |
S. |
N |
Cu |
Nb |
Ti. |
Si. |
P. |
AL |
Cr. |
Mo. |
Ni |
Vi |
|
P355GH |
0.10-0.22 |
0.10-1.70 |
0.015 |
0.012 |
0.30 |
0.020 |
0.03 |
0.60 |
0.025 |
0.020 |
0.30 |
0.08 |
0.30 |
0.02 |
P355NH steel chemical analysis
Element |
C % |
Si % |
Mn % |
P % |
S % |
Cr % |
Ni % |
Mo % |
V % |
Ti % |
Cu % |
Al % |
Nb % |
N % |
|
Min |
0.01 |
0.01 |
1.10 |
0.000 |
0.000 |
0.00 |
0.00 |
0.00 |
0.000 |
0.000 |
0.00 |
0.020 |
0.000 |
0.0000 |
|
Max |
0.18 |
0.50 |
1.70 |
0.025 |
0.010 |
0.30 |
0.50 |
0.08 |
0.100 |
0.030 |
0.30 |
- |
0.050 |
0.0120 |
P355GH steel mechanical properties
Grade |
Type |
Thickness mm |
Yield strength Mpa(min) |
Tensile Strength MPa |
Elongation % (min) |
Impact Energy (KVJ) (min) |
|
-20° |
0° |
+20 |
|
P355GH |
Normalized |
≤16 16>to≤40 40>to≤60 60>to≤100 100>to≤150 150>to≤250 |
355 |
510-650 |
20 |
27 |
34 |
40 |
|
345 |
510-650 |
20 |
27 |
34 |
40 |
|
335 |
460-580 |
20 |
27 |
34 |
40 |
|
315 |
490-630 |
20 |
27 |
34 |
40 |
|
295 |
480-630 |
20 |
27 |
34 |
40 |
|
280 |
470-630 |
20 |
27 |
34 |
40 |
P355 NH steel mechanical properties
|
Grade |
Type |
Thickness (mm) |
Yield Strength
MPa (min) |
Tensile Strength
MPa |
Elongation
% (min) |
|
P355 NH |
Normalized |
≤ 16 |
355 |
490 - 630 |
21 |
|
|
|
16> to ≤40 |
345 |
490 - 630 |
21 |
|
|
|
40> to ≤60 |
335 |
490 - 630 |
21 |
|
|
|
60> to ≤100 |
315 |
470 - 610 |
21 |
|
|
|
100> to ≤150 |
305 |
460 - 600 |
21 |
|
|
|
150> to ≤250 |
295 |
450 - 590 |
21 |
EN 10028-2 P355GH steel is an ideal material for use in pressure vessels, especially in the storage of hot liquids.
EN 10028-3 P355NH steel is a normalised steel grade with a minimum yield strength of 275-460 N/mm² and plates are available ex–stock from our warehouse.
