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Tel : 0086-021-60880117
P355QH steel plate is a kind of material for boiler and pressure vessel steel. P355QH steel plates is characterized by a minimum yield strength of 170-230MPa and by good weldability,so P355QH steel is mainly used to for manufacturing boilers, pressure vessels and pipes transporting hot liquids.
Standard : EN 10028
Dimension range :1.5 mm -300mm x 1000mm-4000mm x 1000mm-18000mm
P355QH steel plate/sheet Mechanical Properties :
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Mechanical Properties
|
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|
Grade |
Thickness |
Yield |
Tensile Strength |
Elongation |
Charpy V Notch Impact Test |
|
|
Degree |
Min Value |
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|
P355QH |
mm |
Min Mpa |
Mpa |
Min % |
℃ |
J |
|
5≤t≤16 |
355 |
490-630 |
22 |
-20 |
47 |
|
|
70﹤t≤100 |
315 |
470-610 |
21 |
47 |
||
|
100﹤t≤150 |
295 |
450-590 |
21 |
47 |
||
|
Note: Impact energy for impact test is on longitudinal |
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EN 10028 P355QH Boiler steel plate Chemical Composition :
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Chemical Composition
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|
Grade |
The Element Max (%) |
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|
C |
Si |
Mn |
P |
S |
Al min |
N |
|
|
P355QH |
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 |
|
Delivery Status : Hot rolling, controlled rolling or normalizing / Q&T (quenching and tempering)
EN 10028 P355QH pressure vessel steel plate application:
P355QH steel plate used in oil, chemical, power plants, boilers and other industries, for the production reactor, heat exchanger, separator, spherical tank, oil tank, , High-pressure water pipe hydropower station, turbine volute and other equipment and components.
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