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P420ML1 Steel Grade usual be used for Pressure Vessel, Boiler, Storage Tanks and Heat Exchanger in Oil, Gas Project. EN10028-5 P420ML1 steel is a kind of hot rolled steel grades, which usually used to fabric high temperature pressure vessels. The production process way is TMCP. The dimensions and tolerance on dimensions should be according to EN 10028-1.
P420ML1 Chemical Composition Cast Analysis:
Element |
P420ML1 Max % |
Element |
P420ML1 max % |
C |
0.16 |
Mo |
0.20 |
Si |
0.50 |
Nb |
00.05 |
Mn |
1.70 |
Ni |
0.50 |
P |
0.020 |
TI |
0.05 |
S |
0.015 |
Vi |
0.10 |
AL |
0.020 min |
|
|
N |
0.020 |
|
|
P420ML1 Mechanical Properties:
Grade |
Type |
Thickness |
Yield Strength |
Tensile Strength |
Elongation |
Impact Energy |
(mm) |
MPa (min) |
MPa |
% (min) |
(KV J) (min) |
||
|
|
|
|
-40 degree |
||
P420ML1 |
Normalized |
≤ 16 |
420 |
500-660 |
19 |
27 |
16> to ≤40 |
400 |
500-660 |
19 |
27 |
||
40> to ≤63 |
390 |
500-660 |
19 |
27 |
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