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Boiler steel plate P690Q,Pressure vessel steel plate P690Q
Source:Xin Steel Industry Date:2012/11/13
Quenched and tempered boiler steel plate P690Q shall be rolled according to steel standard EN 10028-6.The chemical composition of pressure vessel steel plate P690Q is within the below table.For reasons of hot formability,a lower copper content and a maximum tin content may be agreed at the time of inquiry and order.The tensile strength of pressure vessel steel plate P690Q shall be within 770-940 Mpa,and yield strength have to be above 690 Mpa for the steel plate thiclness equal and belows 50 millimeters.
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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 P690Q pressure vessel steel plate (Max %):
|
Steel Grade |
The Main Elements in rolling P690Q pressure vessel steel plates | ||||||
|
C |
Si |
Mn |
P |
S |
N |
B | |
|
P690Q |
0.20 |
0.80 |
1.70 |
0.025 |
0.015 |
0.015 |
0.005 |
|
Mo |
Cu |
Nb |
Ni |
Ti |
V |
Cr | |
|
0.70 |
0.3 |
0.06 |
2.50 |
0.05 |
0.12 |
1.50 | |