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EN10028 P355Q P355QH Carbon Steel Plate
P355Q steel is a quenched and tempered weldable fine grain steel for pressure vessels. It is a professional alloy steel with good ductility, toughness, cold bending and welding characteristics. P355Q steel plates are often supplied in a quenched and tempered state.
P355QH Used in petroleum, chemical industry, power plants, boilers, etc. P355QH is used to make reactor, heat exchanger, separator, spherical tank, liquefied gas, nuclear reactor vessel and boiler steam drum, steam bottle, liquefied petroleum, high power hydro power plants. pressure hose, spiral housing and other equipment and components.
P355Q vessel plate Chemical Composition
Grade
Element Max (%)
WITH
Si
Min.
P
WITH
N
B
P355Q
0.16
0.4
1.5
0.025
0.015
0.015
0.005
Mo
Cu
Nb
Neither
Tee
IN
Zr
0.25
0.3
0.05
0.5
0.03
0.06
0.05
|
P355QH boiler plate Chemical Composition |
|||||||
|
Grade |
Element Max (%) |
||||||
|
WITH |
Si |
Min. |
P |
WITH |
N |
B |
|
|
P355QH |
0.16 |
0.4 |
1.5 |
0.025 |
0.015 |
0.015 |
0.005 |
|
Mo |
Cu |
Nb |
Neither |
Tee |
IN |
Zr |
|
|
0.25 |
0.3 |
0.05 |
0.5 |
0.03 |
0.06 |
0.05 |
|
|
Grade |
|
|||
|
Thickness |
Harvest |
Extensible |
Elongation |
|
|
P355Q |
mm |
Min MPa |
MPa |
Min % |
|
6-50 |
355 |
490-630 |
22% |
|
|
50-100 |
335 |
490-630 |
22% |
|
|
100-150 |
315 |
450-590 |
22% |
|
|
Grade |
|
|||
|
Thickness |
Harvest |
Extensible |
Elongation |
|
|
P355QH |
mm |
Min MPa |
MPa |
Min % |
|
6-50 |
355 |
490-630 |
22% |
|
|
50-100 |
335 |
490-630 |
22% |
|
|
100-150 |
315 |
450-590 |
22% |
|
Notes:
1.Delivery Time: 10-30days
2.Heat Treatment: AR(As Hot Rolled only),TMCP(Thermal Mechanical Control Processing),N(Normalized),Q+T(Quenched and Tempered),
3.Steel Services: UT (Ultrasonic examination),Charpy V-Notch Impact Test,HIC test, NDT , PWHT( Simulated Post Weld Heat Treatment),NACE0175 ,The Third Party Test (Such as SGS Test),Cutting, Pretreatment, Coated or Shot Blasting and Painting, Z Direction Test(Z15,Z25,Z35),
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Main Product:
Carbon Steel Pipe,
Galvanized Steel Coil,
Hot Rolled Steel Plate,
Stainless Steel,
Cold Rolled Steel,
Seamless steel pipe
