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| P420M steel plate |
P420M steel plate is a kind of material for boiler and pressure vessel steel. P420M steel plates is characterised by a minimum yield strength of 390-420 MPa and by good weldability, so P420M steel is mainly used to for manufacturing boilers.
P420M steel plate chemical composition:（%）
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 steel 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 steel plate application:
P420M boiler and pressure vessel steel plates are widely used in the industries of petroleum, chemistry, power station and boiler .They can also be used to make equipments and components of reactor, heat exchanger, spherical tank, oil gas tank, liquefied gas tank, nuclear reactor pressure shell, boiler drum, liquefied petroleum gas cylinder, high pressure water pipes of hydropower station.
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