Nestled in the industrial heart of Safat, Sayed Steel has built its reputation on supplying foundational materials for Kuwait’s growth. We specialize in providing high-strength steel sheet and plate, a modern marvel of metallurgy designed to meet the most demanding structural challenges. This isn’t your ordinary steel; it’s a smarter, more resilient building block. We are proud to be your local, trusted partner in sourcing materials that shape a stronger, safer, and more efficient future for our community’s most ambitious projects.
The secret to this steel lies in a carefully balanced composition, often incorporating alloys like manganese, silicon, and niobium. This specific formulation results in exceptional mechanical properties, most notably a significantly higher yield strength than conventional steel. This means it can support immense loads and resist deformation without adding unnecessary weight. Essentially, it provides a much greater strength-to-weight ratio, allowing for more innovative and efficient designs without compromising on durability or safety.
| 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
|
This versatile material is the go-to choice for demanding applications where both strength and weight are critical factors. It’s widely used in constructing the skeletons of modern high-rise buildings, long-span bridges, and heavyweight industrial facilities. You’ll also find it forming the robust chassis of heavy-duty vehicles, mining equipment, and in shipbuilding. Its ability to create safer, lighter, and more durable structures makes it an invaluable resource for engineers and builders aiming to push the boundaries of design and construction.
Sayed 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 Safat, Kuwait.
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