P690QL1 material is a quenched and tempered weldable fine-grain steel, a basic-purpose steel plate. Executive standard: EN10028-6. Number: 1.8881, P690QL1 is alloy steel. Steel P690QL1 for pressure equipment has good plasticity, toughness, cold bending performance and welding performance.
P690QL1 chemical composition requirements
|
C |
Si |
Mn |
P |
S |
N |
B |
|
≤0.2 |
≤0.8 |
≤1.7 |
≤0.02 |
≤0.008 |
≤0.015 |
≤0.005 |
|
Cr |
Cu |
Mo |
Nb |
Ni |
Ti |
V |
|
≤1.5 |
≤0.3 |
≤0.7 |
≤0.06 |
≤2.5 |
≤0.12 |
≤0.15 |
Note: Nb+Ti+V≤0.05; Cr+Cu+Mo≤0.5
P690QL1 plate delivery status
P690QL1 steel plates are usually delivered in the quenched and tempered state.
Steel plates should be delivered by shearing or flame cutting
P690QL1 pressure vessel steel plate is widely used in petroleum, chemical, power station, boiler and other industries to make reactors, heat exchangers, separators, spherical tanks, oil and gas tanks, liquefied gas tanks, nuclear reactor pressure shells, boiler drums , Liquefied petroleum gas cylinders, high-pressure water pipes of hydropower stations, turbine volutes and other equipment and components.
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