P355NH is a normalised steel grade with a minimum yield strength of 275-460 N/mm² and plates are available ex–stock from our warehouse.
P355NH Chemical composition cast analysis
|
Element |
P355NH Max % |
Element |
P355NH 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 |
0.050 |
|
S |
0.015 |
Ni |
0.50 |
|
AL |
0.020 |
Ti |
0.03 |
|
N |
0.012 |
V |
0.01 |
P355NH 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 |
Steel tube P355NH shall be done impact test at minus 20 Degree centigrade with minimum impact energy 40 J in longitudinal direction or 27 J in transverse direction.Steel tube P355NH and steel tube P235GH shall be delivery with square cut ends,the ends shall be free from excessive burrs.When buyers requires minimum wall thickness,then the offering P355NH steel tube and P235GH steel tube can not be minus tolerance in wall thickness.
FAQ:
Q:Are you a factory or a trading company?
A:We are a professional manufacture and have many years production and management experience.
Q:Do you have after-sales service?
A:Of course, you can contact us at any time.we promise our products are all qualified. If you find any products are not qualified and unsatisfied your require,please contact us at any time.
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