S690QL High Yield Structural Steel
S690QL alloy steel plate is a high-strength, low-alloy structural steel plate that implements European standard EN 10025-6, with excellent mechanical properties and a wide range of applications.
S690QL high strength low alloy steel has good welding process performance and can meet your various welding requirements. At the same time, S690QL low alloy steel material can also withstand repeated stress cycles, reduce fatigue cracks, and extend service life.
Application areas of S690QL low alloy steel
Construction machinery: such as excavators, loaders, bulldozers, etc., to improve the strength and durability of machinery.
Mining machinery: used to manufacture various mining equipment and structural parts, such as drilling rigs, electric shovels, etc.
Construction engineering: used for structural support and load-bearing in construction projects such as high-rise buildings and large stadiums.
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S690QL High Strength Steel Sheet(HSLA) Chemical Composition |
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Grade |
The Element Max (%) |
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C |
Si |
Mn |
P |
S |
N |
B |
Cr |
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|
S690 QL |
0.20 |
0.80 |
1.70 |
0.020-0.025 |
0.010-0.015 |
0.015 |
0.005 |
1.50 |
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Cu |
Mo |
Nb |
Ni |
Ti |
V |
Zr |
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|
|
0.50 |
0.70 |
0.06 |
2.0 |
0.05 |
0.12 |
0.15 |
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Grade |
S690QL High-Strength Low Alloy (HSLA) Steel Plate Mechanical Property |
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Thickness |
Yield |
Tensile |
Elongation |
Min Impact Energy |
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S690 QL |
mm |
Min Mpa |
Mpa |
Min % |
-40 |
30J |
|
3<t≦50 |
690 |
770-940 |
14 |
-40 |
30J |
|
|
50<t≦100 |
650 |
760-930 |
14 |
-40 |
30J |
|
|
100<t≦150 |
630 |
710-900 |
14 |
-40 |
30J |
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Equivalent steel grade of S690QL Alloy Steel Plate |
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Europe |
Germany |
France |
Sweden |
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FeE 690 V KT |
TStE 690 V |
E 690T |
2625 |
