Quenched and tempered boiler steel plate P690Q shall be rolled according to steel standard EN 10028-6.
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 thickness equal and below 50 millimeters.
P690Q steel Chemical Composition:
|
Main chemical elements composition of P690Q |
|||||||
|
C |
Si |
Mn |
P |
S |
B |
N |
Cr |
|
0.20 |
0.80 |
1.70 |
0.025 |
0.015 |
0.005 |
0.015 |
1.50 |
|
Cu |
Mo |
Nb |
Ni |
Ti |
V |
Zr |
|
|
0.30 |
0.70 |
0.06 |
2.50 |
0.05 |
0.12 |
0.15 |
|
P690Q steel Mechanical Property:
|
Thickness (mm) |
|||
|
P690Q |
≤ 50 |
> 50 ≤ 100 |
> 100 |
|
Yield strength (≥Mpa) |
690 |
670 |
630 |
|
|
≤ 100 |
> 100 |
|
|
Tensile strength (Mpa) |
770-940 |
720-900 |
|
P690Q Application:
Katalor P690Q pressure vessel steel plates are widely used in the fabrication of boilers and pressure vessels in industries such as shipbuilding, petrochemical and manufacturing.