Characteristics of S690QL high-strength steel plate
S690QL low alloy steel is a European standard high-strength alloy structural steel plate, which implements EN 10025-6 standard and corresponds to the national standard Q690E high strength plate.
Chemical composition of S690QL low alloy steel material: mainly contains carbon, silicon, manganese and other elements, and adds chromium, nickel, molybdenum and other alloy elements, which can meet the requirements of high strength and toughness.
Features and advantages of S690QL low alloy structural steel: high strength, excellent mechanical properties (including fatigue resistance, impact resistance and low temperature resistance), good welding performance and long life.
Application fields of S690QL low alloy steel sheet: widely used in construction machinery, mining machinery, bridge engineering, construction engineering and shipbuilding.
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S690QL and S690Q |
Chemical composition: Heat Analysis Max% |
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|
Standard |
Grade |
C |
Mn |
P |
S |
Si |
Cu |
Cr |
Ni |
Mo |
B |
V |
Nb |
Ti |
|
EN 10025-6 |
S690QL |
0.2 |
1.7 |
0.020 |
0.010 |
0.8 |
0.5 |
1.5 |
2.0 |
0.7 |
0.005 |
0.12 |
0.06 |
0.05 |
|
Mechanical Properties: |
Thickness |
Yield strength |
Tensile strength |
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|
Mpa Min. |
Mpa |
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|
EN 10025-6 |
S690QL |
T≤50 |
690 |
770-940 |
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