Marzouk Steel, based in Tunis, Tunisia, stands out as a top-notch manufacturer and supplier of high-quality steel products tailored for industrial, construction, and engineering needs. The company is well-known for its state-of-the-art production facilities, precise engineering, and unwavering commitment to both international and national standards. Among its specialized products, High Strength Steel Sheets and Plates are provided for projects that demand exceptional mechanical strength, durability, and performance. With a strong emphasis on quality assurance and customer satisfaction, Marzouk Steel offers dependable and cost-effective steel sheets and plates that cater to the heavy engineering, automotive, construction, and fabrication sectors, ensuring long-lasting operational efficiency and structural integrity.
These High Strength Steel Sheets and Plates are crafted with a carefully controlled chemical composition, incorporating elements like carbon, manganese, phosphorus, sulfur, and other alloys to boost strength and toughness. On a mechanical level, these sheets and plates deliver impressive tensile strength, excellent yield strength, and good elongation, which translates to outstanding load-bearing capacity and resistance to deformation. Their unique blend of durability, ductility, and weldability guarantees reliable performance under mechanical stress, making them perfect for demanding structural, automotive, and fabrication applications where top-notch strength and longevity are a must.
| Item | High Strength Steel Plate |
| Material | 450 Yield ,A36 ,A516 ,A572 , A573 ,A588 , A606 ,A709 Grade 50 ,A871 Grade 65 ,AASHTO M270 ,CSA G40.21 ,Hot Rolled Steel Plate,PVQ A283 ,PVQ A285 ,SAILMA Grade 350 HI , SAILMA Grade 450 HI |
| Thickness | 6-300mm |
| Width | 900-4100mm |
| Length | 3000-25000mm |
| Type | Steel Plate |
| S | Cr | P | Al | C | Ni | Si | Mo | Mn |
|---|---|---|---|---|---|---|---|---|
| 0.005 max | 1.50 max | 0.0.20 max | 0.015 max | 0.20 max | 2.0 max | 0.80 max | 0.70 max | 1.70 max |
| Thickness milimeter | Rm MPa | Re MPa | A % |
|---|---|---|---|
| < 50 | 770 – 940 | 690 | 14 |
| > 50 ? 100 | 760 – 930 | 650 | 14 |
| > 100 | 710 – 900 | 630 | 14 |
| grade | DENSITY | (MPA)YIELD STRENGTH |
|---|---|---|
| water quenched 480 °C (900 °F), temper 855 °C (1570 °F) AISI 4130 | 7.85 G/CM³ | 951 |
| clear cast sheet (PMMA), Acrylic | 1.16 G/CM³ | 72 |
| Steel, high strength alloy ASTM A514 | 7.8 G/CM³ | 690 |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
|
Grade
|
Nominal Thickness t (mm)
|
||
|
3 ≤ t ≤ 50
|
50 < t ≤ 100
|
100 < t ≤ 150
|
|
|
Minimum yield strength ReH, MPa
|
|||
|
S460Q
|
460
|
440
|
400
|
|
S500Q
|
500
|
480
|
440
|
|
S550Q
|
550
|
530
|
490
|
|
S620Q
|
620
|
580
|
560
|
|
S690Q
|
690
|
650
|
630
|
|
S890Q
|
890
|
830
|
Â
|
|
S960Q
|
960
|
Â
|
Â
|
|
Â
|
Tensile strength Rm, MPa
|
||
|
S460Q
|
550-720
|
500-670
|
|
|
S500Q
|
590-770
|
540-720
|
|
|
S550Q
|
640-820
|
590-770
|
|
|
S620Q
|
700-890
|
650-830
|
|
|
S690Q
|
770-940
|
760-930
|
710-900
|
|
S890Q
|
940-1100
|
880-1100
|
Â
|
|
S960Q
|
980-1150
|
Â
|
Â
|
|
Quality
|
Test Temperature °C
|
|||
|
-20
|
-40
|
-50
|
-60
|
|
|
M
|
40J
|
Â
|
Â
|
Â
|
|
ML
|
Â
|
Â
|
27J
|
Â
|
|
Q
|
30J
|
Â
|
Â
|
Â
|
|
QL
|
Â
|
30J
|
Â
|
Â
|
|
QL1
|
Â
|
Â
|
Â
|
30J
|
High Strength Steel Sheets and Plates find their way into various applications where high mechanical strength and durability are essential. They’re frequently used in construction projects, bridges, heavy machinery, industrial structures, and automotive components. Moreover, these sheets and plates are ideal for pressure vessels, fabrication frameworks, and other engineering applications that require dependable performance under stress. Their remarkable mechanical properties, toughness, and weldability make them a go-to choice for infrastructure, heavy engineering, and fabrication projects, ensuring they stand the test of time.
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.
Copyright 2025 Marzouk Steel. All rights reserved
