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P275NH boiler steel plate,P275NH pressure vessel steel plate
Source:Xin Steel Industry Date:2012/11/01
P275NH boiler steel plate under steel standard EN 10028-3 are mainly used to build pressure vessels and boilers and liquid tanks.For these two pressure vessel steels P275NH and P275NL1,heat treatment for Normalized have to be done for steel plates after production.Boiler steel plate P275NH shall be done low temperature impacting at minus 20 centi degree.For guarantee the usage safety of pressure vessel steel plates,boiler steel plates P275NH would accept ultrasonic examination after rolling.
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Other relative pressure vessel steel grades under steel standard EN 10028 are p355q steel plate,p355qh steel plate,p355ql1boiler steel plate,p460q pressure vessel steel plate,p460qh steel plate,p460ql1boiler steel plate,p355ql2 pressure vessel steel plate,p460ql2 steel sheet,p500q steel plate,p500qh boiler steel plate,p500ql1 pressure vessel steel plate,p500ql2 steel plate,p690q steel plate,p690qh boiler steel plate,p690ql steel plate,p690ql2 pressure vessel steel plate,p355m steel plate,p355ml1 boiler steel plate,p355ml2 steel plate,p420m boiler steel plate.
Chemical composition of Ladle analysis for P275NH boiler steel plate (Max %):
|
Steel Grade |
The Main Elements in rolling P275NH pressure vessel steel plates | ||||||
|
C |
Si |
Mn |
P |
S |
Al(min) |
N | |
|
P275NH |
0.16 |
0.40 |
0.5-1.40 |
0.030 |
0.020 |
|
0.02 |
|
Cr |
Cu |
Mo |
Nb |
Ni |
Ti |
V | |
|
0.30 |
0.30 |
0.08 |
0.005 |
0.50 |
0.03 |
0.05 | |