High tensile strength boiler steel plate p690ql1, pressure vessel steel plate P690QL1 are under steel standard EN 10028-6, pressure vessels steel plate P690QL1 belongs to Weldable fine grain steel and shall be done Quenched and Tempered heat treatment when rolling.
Owning to these boiler steel plates P690QL1rolled under higher strength level, sometimes cold cracking can occur with increasing steel plates thickness and strength, so our mill would provide our end users with the data on suitable welding conditions.
Main application of EN10028-6 P690QL1 Pressure vessels steel plate are used to build boilers and pressure vessels such as petroleum, chemical industry, power plants.
P690QL1 steel plate specification:
Grade: P690QL1 Standard: EN10028-6
Thickness*Width*Length: 5-200mm*1220-4200mm*5000-18000mm
Chemical composition for P690QL1 pressure vessel steel (Heat Analysis Max%)
|
Main chemical elements composition of P690QL1 |
|||||||
|
C |
Si |
Mn |
P |
S |
B |
N |
Cr |
|
0.20 |
0.80 |
1.70 |
0.020 |
0.010 |
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 |
|
EN10028-6 P690QL1 Boiler steel mechanical properties:
|
Grade |
P690QL1 Mechanical Property |
|||
|
Thickness |
Yield |
Tensile |
Elongation |
|
|
P690QL1 |
mm |
Min Mpa |
Mpa |
Min % |
|
6-50 |
690 |
770-940 |
14% |
|
|
50-100 |
670 |
770-940 |
14% |
|
|
100-150 |
630 |
720-900 |
14% |
|
More information about P690QL1 steel plate, please contact us and let us know your required specification, the best P690QL1 steel plate price will be quoted in shortest time.
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