Marzouk Steel stands out as a top manufacturer and supplier located in Tunis, Tunisia, providing top-notch steel solutions tailored for both industrial and structural needs. The company is particularly known for its Rockstar 400 sheets and plates, which are celebrated for their remarkable strength, toughness, and durability. With state-of-the-art production facilities, rigorous quality control measures, and a team of seasoned experts, Marzouk Steel guarantees consistent material properties and precise dimensions. Catering to sectors like construction, heavy machinery, automotive, and various industrial applications, the company delivers steel products that adhere to international standards, ensuring superior load-bearing capacity, long-lasting reliability, and outstanding performance for projects that demand high-strength, resilient, and versatile steel materials.
The Rockstar 400 sheets and plates are crafted from high-strength low-alloy steel, featuring a meticulously controlled chemical composition. This steel is formulated with optimized amounts of carbon, manganese, and micro-alloying elements to boost yield strength, tensile strength, toughness, and weldability. On a mechanical level, Rockstar 400 boasts a minimum yield strength of 400 MPa, commendable tensile strength, excellent impact resistance, and sufficient elongation. These characteristics guarantee dependable performance even under heavy loads and challenging industrial conditions, all while preserving structural integrity and durability.
Thickness :Â 6mm to 100mm
Width :Â 1,500mm to 2,500mm
Length :Â 6,000mm to 12,000mm
Production :Â Hot-Rolled (HR) / Cold-Rolled (CR)
Heat Treatment :Â N, Q+T
Surface Paint :Â EP, PE, HDP, SMP, PVDF
| Plate Thickness | C | Mn | P | S | Si | Cr | Ni | Mo | B | CE | PCM |
|---|---|---|---|---|---|---|---|---|---|---|---|
| mm | Max % | Max % | Max %Â Â Max %Â Â Max % | Max % | Max % | Max % | Max % | Max | Max | ||
| 6.0 – 20.0 | 0.16 | 1.60 | 0.025 | 0.010 | 0.70 | 0.50 | 0.25 | 0.25 | 0.0040 | 0.45 | 0.28 |
| 21.0 – 32.0 | 0.18 | 1.60 | 0.025 | 0.010 | 0.70 | 1.00 | 0.25 | 0.25 | 0.0040 | 0.48 | 0.29 |
| 32.1 – 50.0 | 0.22 | 1.60 | 0.025 | 0.010 | 0.70 | 1.40 | 0.50 | 0.60 | 0.0040 | 0.57 | 0.33 |
| 50.1 – 75.0 | 0.22 | 1.60 | 0.025 | 0.010 | 0.70 | 1.40 | 0.50 | 0.60 | 0.0040 | 0.65 | 0.40 |
| Hardness | 360-430 BHN (On a milled surface 0.5-2 mm below the plate surface) | |||
|---|---|---|---|---|
| Yield Strength (MPa) | Tensile Strength (MPa) | % Elongation | Impact at -30°C | |
| (L0=50 mm) | (In Joules) | |||
| Typical values for 20 mm | 1000 | 1250 | 12 | 40 |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Rockstar 400 sheets and plates find their place in various applications that require exceptional strength and toughness. Common uses include structural components in construction machinery, cranes, automotive frameworks, industrial equipment, and heavy-duty machinery. They are also utilized in fabricated structures, material handling systems, and engineering projects where durability, weldability, and load-bearing capacity are essential. Thanks to their outstanding mechanical properties, Rockstar 400 plates offer a long service life, improved structural performance, and reliable operation in demanding industrial and structural settings.
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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