EN 10028-3 P355NL2 steel has good mechanical properties, including proper yield strength, tensile strength, creep resistance, plasticity and high toughness, also has good process performance, good cold plastic deformation ability, good solder ability and appropriate heat treatment property. Moreover, it has good corrosion resistance and oxidation resistance.
P355NL2 to EN10028-3 is a fine grained pressure vessel steel suitable for use at low temperatures. With its fine grained and improved notch toughness it is one of the most popular steels for used in the oil and gas and petrochemical industries.
P355 NL2 steel is widely used in the manufacture of petroleum, chemical, gas separation and shipping containers, or other similar devices, such as all kinds of tower vessel, heat exchanger, storage tank, tank cars etc.
Chemical composition for P355NL1 pressure vessel steel (Heat Analysis Max%)
|
P355NL2 Chemical Composition |
|||||||
|
Grade |
The Element Max (%) |
||||||
|
C |
Si |
Mn |
P |
S |
Al(min) |
N |
|
|
P355NL2 |
0.18 |
0.50 |
0.9-1.70 |
0.025 |
0.015 |
|
0.02 |
|
Cr |
Cu |
Mo |
Nb |
Ni |
Ti |
V |
|
|
0.30 |
0.30 |
0.08 |
0.005 |
0.50 |
0.03 |
0.10 |
|
Mechnical property for P355NL1 pressure vessel steel:
|
Thickness(mm) |
Yield strength (≥Mpa) |
Tensile strength (Mpa) |
Elongation in ≥,% |
|
T≤16 |
355 |
490-630 |
22 |
|
16<T≤40 |
345 |
||
|
40<T≤60 |
335 |
||
|
60<T≤100 |
315 |
470-610 |
21 |
|
100<T≤150 |
305 |
460-600 |
|
|
150<T |
295 |
450-590 |
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