P420ML2 steel is a hot rolled under EN10028-5 grade. P420ML2 steel is well suitable for normalized vessel which are used in welded condition.
P420ML2 is a thermo mechanically rolled and weldable fine grain steels grade. The dimensions and tolerance on dimensions should be according to EN 10028-1. P420ML2 Grade usual be used for pressure equipments.
Main application of EN10028-5 P420ML2 high strength steel grade are used to build boilers and pressure vessels such as petroleum, chemical industry, power plants.
Steel Standard:EN 10028-5
Rolling Type:Pressure vessel steel plate,Boiler steel plate
Thickness:6mm-350mm
Width:1500mm-4200mm
Length:3000mm-18000mm
Chemical composition for P420ML2 pressure vessel steel (Heat Analysis Max%)
|
Main chemical elements composition of P420ML2 |
||||||
|
C |
Si |
Mn |
P |
S |
Al (total) |
N |
|
0.16 |
0.50 |
1.70 |
0.020 |
0.015 |
≥0.020 |
0.020 |
|
Mo |
Nb |
Ni |
Ti |
V |
Cr+Cu+Mo |
|
|
0.20 |
0.05 |
0.50 |
0.05 |
0.10 |
0.60 |
|
Mechanical Properties of P420ML2 at ambient temperature
|
Grade |
Thickness |
Yield |
Tensile Strength |
Elongation |
Charpy V Notch Impact Test |
|
|
Degree |
Min Value |
|||||
|
P420ML2 |
mm |
Min Mpa |
Mpa |
Min % |
℃ |
J |
|
5≤t≤16 |
420 |
500-660 |
19% |
-50 |
27 |
|
|
16﹤t≤40 |
400 |
500-660 |
19% |
-50 |
27 |
|
|
40﹤t≤63 |
390 |
500-660 |
19% |
-50 |
27 |
|
|
Note: Impact energy for impact test is on longitudinal |
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