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■ Overview
P355NL2 Seamless Steel Tube,P355NL2 Steel tube,P355nl2 seamless pipe low temperature boiler steel tubes with impacting test at minus 50 Degree centigrade on longitudinal or transverse directions.Normalized heat treatment shall be done for these pressure vessel steel tubes.
■ Full Data
Technical Requirements & Additional Services for P355NL2 seamless pipe:
♦ Low temperature impact test at -50 ℃ with minimum energy at 27J on transverse direction
♦ Minimum yield strength for P355NL2 seamless tube above 355 Mpa
♦ Ring Tensile test comply to EN 10237
♦ Low temperature impact test at -50 ℃ with minimum energy at 27J on transverse direction
♦ Minimum yield strength for P355NL2 seamless tube above 355 Mpa
♦ Ring Tensile test comply to EN 10237
♦ Drift expanding test comply to EN 10234
♦ An inspection certificate 3.1.B issued in according with EN 10204 generally
♦ Surface Protection:Black,Varnish,Hot Dip Galvanized,Coating with shop prime
♦ An inspection certificate 3.1.B issued in according with EN 10204 generally
♦ Surface Protection:Black,Varnish,Hot Dip Galvanized,Coating with shop prime
■ Techicals
►Mechnical property for P355NL2 seamless pipe
|
P355NL2 seamless pipe |
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|
Thickness |
T≤12 |
12<T≤20 |
20<T≤40 |
40<T≤50 |
50<T≤65 |
65<T≤80 |
80<T |
|
Yield strength (≥Mpa) |
355 |
355 |
345 |
335 |
325 |
315 |
305 |
|
Tensile strength (≥Mpa) |
490 to 650 |
490 to 630 |
450 to 590 |
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►Chemical composition for P355NL2 seamless pipe (Heat Analysis Max%)
|
Main chemical elements composition of P355NL2 |
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|
C |
Mn |
P |
S |
Si |
Cr |
Mo |
Ni |
|
0.18 |
0.9-1.7 |
0.025 |
0.015 |
0.50 |
0.3 |
0.08 |
0.50 |
|
Alt |
Cu |
N |
Nb |
Ti |
V |
Nb+Ti+V |
|
|
0.02 |
0.3 |
0.02 |
0.05 |
0.04 |
0.10 |
0.12 |
|
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