Aatir Steel, located in Cairo, Egypt, specializes in providing top-notch **High Strength Steel Sheet and Plate** that are designed to excel in demanding structural applications where weight is a concern. Renowned for their unwavering quality and adherence to international standards, Aatir Steel’s high strength steels boast impressive yield and tensile strength, along with excellent weldability and formability. These plates find their place in various industries, including construction, automotive, shipbuilding, heavy machinery, and energy, where their strength and durability allow for lighter structures that enhance performance without sacrificing safety.
Typically, **High Strength Steel Sheet and Plate** have a yield strength of 500 MPa or more, with some grades reaching up to 700 MPa. They are crafted from low-alloy compositions that include elements like manganese, niobium, vanadium, and titanium, which enhance strength and toughness while ensuring they remain workable. Many of these plates undergo thermomechanical rolling or are quenched and tempered to strike a perfect balance between strength, ductility, and toughness. The impressive strength-to-weight ratio of these plates not only leads to material savings but also offers greater design flexibility for structural applications that face heavy loads and dynamic forces.
| 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
|
|
|
S960Q
|
960
|
|
|
|
|
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
|
|
|
S960Q
|
980-1150
|
|
|
|
Quality
|
Test Temperature °C
|
|||
|
-20
|
-40
|
-50
|
-60
|
|
|
M
|
40J
|
|
|
|
|
ML
|
|
|
27J
|
|
|
Q
|
30J
|
|
|
|
|
QL
|
|
30J
|
|
|
|
QL1
|
|
|
|
30J
|
High-strength steel plates and sheets are used extensively in applications needing strength and load-carrying capacity. In building construction, they provide strengthening to structures, bridges, and buildings. Automotive industries employ them for lightweight but high-strength vehicle parts to enhance fuel economy and safety. They play a critical role in the manufacture of heavy machinery, farm equipment, and ships for their higher strength-to-weight ratio. Defense and aerospace sectors utilize them for armor and structural applications. They are also utilized in pressure vessels, pipelines, and mine equipment to improve performance and lifespan.
Aatir 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 Cairo, Egypt.
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