P420M Steel Plate For Pressure Vessels
P420M boiler steel plate is a kind of steel for boiler pressure vessels. The characteristics of P420M vessel steel plate are the minimum yield strength of 390-420MPa and good weldability, so P420M boiler plate is mainly used to manufacture boilers.
P420M boiler pressure vessel steel plate is widely used in petroleum, chemical, power station, boiler and other industries, and can also be used to manufacture reactors, heat exchangers, spherical tanks, oil and gas tanks, liquefied gas tanks, nuclear reactor pressure shells, boiler drums, liquefied petroleum gas cylinders, hydropower station high-pressure water pipes and other equipment and components.
P420M Vessel plate chemical composition
|
Grade |
P420M max % |
element |
P420M max % |
|
C |
0.16 |
Mo |
0.20 |
|
Si |
0.50 |
Nb |
00.05 |
|
Mn |
1.70 |
Ni |
0.50 |
|
P |
0.025 |
TI |
0.05 |
|
S |
0.020 |
Vi |
0.10 |
|
AL |
0.020 min |
|
|
|
N |
0.020 |
|
|
P420M pressure vessel Steel plate mechanical property
|
grade |
statue |
thickness |
Yield strength |
Tensile strength |
Elongation |
|
(mm) |
MPa (min) |
MPa |
% (min) |
||
|
|
|
|
|
||
|
P420M |
Normalized |
≤ 16 |
420 |
500-660 |
19 |
|
16> to ≤40 |
400 |
500-660 |
19 |
||
|
40> to ≤63 |
390 |
500-660 |
19 |
P420M PVQ steel plate thermal properties
| Property | Value | Comment |
|---|---|---|
|
Coefficient of thermal expansion |
11.74 1/K |
Predicted Value |
|
Specific heat capacity |
453.6 J/(kg·K) |
Predicted Value |
|
Thermal conductivity |
38 W/(m·K) |
Predicted Value |
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