Marzouk Steel is a reputable manufacturer and supplier located in Tunis, Tunisia, specializing in high-strength steel solutions tailored for structural and engineering needs. They offer S690QL steel sheets and plates, which are celebrated for their outstanding strength, toughness, and weldability. With cutting-edge manufacturing facilities, rigorous quality control measures, and a team of skilled experts, Marzouk Steel guarantees consistent material properties and precise dimensions. Catering to the construction, heavy machinery, infrastructure, and industrial sectors, the company provides steel products that adhere to international standards, ensuring superior load-bearing capacity, durability, and long-lasting performance for projects that demand high-strength, lightweight, and dependable structural materials.
The S690QL steel sheets and plates are crafted from quenched and tempered high-strength low-alloy steel, featuring a meticulously controlled chemical composition. This steel is formulated with optimal levels of carbon, manganese, and micro-alloying elements to boost tensile strength, toughness, and weldability. On a mechanical level, S690QL boasts a minimum yield strength of 690 MPa, impressive tensile strength, excellent impact resistance, and good elongation. These characteristics make it perfect for heavy-duty structural applications, providing exceptional load-bearing capacity, durability, and reliable performance even in challenging industrial environments.
Thickness : 5MM & Above
Width : 1500 – 3500mm
Length : 3000 – 18000mm
Grade : S690QL EN10137-2 EN10025-6:2004, A709-100, DILLIMAX 690, NAXTRA 70, WELDOX 700, E690, JFE HITEN 780LE, ALFORM 700
|
Percentage % |
Element |
Percentage % |
Element |
|
0.050 |
Cu |
0.020 |
C |
|
0.070 |
Mo |
0.080 |
Si |
|
0.006 |
Nb* |
1.070 |
Mn |
|
2.00 |
Ni |
0.0025 |
P |
|
0.005 |
Ti* |
0.0015 |
S |
|
0.012 |
V* |
0.0015 |
N |
|
0.015 |
Zr* |
0.00050 |
B |
|
1.050 |
Cr |
| Plate Thickness | Yield Strength | Tensile Strength | Elongation | Impact Strength |
| MM | ReH (MPa) | Rm (MPa) | A5 % Minimum | J, Minimum |
| 3 to 50 | 690 | 770 – 940 | 14 | 30 @ -40º C |
| > 50 to 100 | 650 | 760 – 930 | 14 | 30 @ -40º C |
| > 100 to 150 | 630 | 710 – 900 | 14 | 30 @ -40º C |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
S690QL steel sheets and plates find extensive use in applications that require exceptional strength and structural reliability. Common applications include bridges, cranes, construction machinery, offshore structures, and large-scale industrial frameworks. They are also utilized in heavy-duty machinery, transportation infrastructure, and fabricated structures where weight optimization, durability, and weldability are crucial. Thanks to their remarkable mechanical properties, S690QL plates ensure a long service life, improved structural performance, and efficient fabrication in critical engineering and industrial projects.
Marzouk Steel is a leading manufacturer, supplier and exporter of high-quality Carbon Steel, Alloy Steel, Mild Steel and Galvanized Steel products. Our extensive product range includes Pipes, Tubes, Flanges, Pipe Fittings, Forged Fittings, Sheets and Plates, catering to various industries in Tunis, Tunisia.
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