Desta Steel is a trusted manufacturer and supplier based in Addis Ababa, Ethiopia, well-known for producing high-quality S690 QL Sheets and Plates. The company focuses on providing strong, durable, and precisely engineered steel products that meet international quality standards. Desta Steel has built a solid reputation for reliability, customer satisfaction, and technical excellence. Its S690 QL Sheets and Plates are used in a wide range of industries, including construction, heavy machinery, and engineering projects, where strength and performance are essential for long-lasting results.
S690 QL Sheets and Plates are made from high-strength, low-alloy steel containing carbon, manganese, chromium, molybdenum, and nickel. These plates have a minimum yield strength of 690 MPa and show excellent toughness even at low temperatures. They are easy to weld and form while maintaining high resistance to wear, abrasion, and fatigue. The quenched and tempered structure gives them a perfect balance of strength and flexibility, making them ideal for demanding structural and industrial uses.
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
| Grade | C | Si | Mn | P | S | N | B | Cr | Cu | Mo | Nb* | Ni | Ti* | V* | Zr* |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| S690 QL | 0.20 | 0.80 | 1.70 | 0.025 | 0.015 | 0.015 | 0.0050 | 1.50 | 0.50 | 0.70 | 0.06 | 2.0 | 0.05 | 0.12 | 0.15 |
| Designation | Mechanical Properties (ambient temperature) | |||||||
|---|---|---|---|---|---|---|---|---|
| Steel Name | Steel Number | Min. Yield Strength Reh MPa | Tensile Strength Rm MPa | Min. % elongation after fracture | ||||
| Nominal thickness (mm) | Nominal thickness (mm) | |||||||
| ≥3 ≤50 | ≥50 ≤100 | ≥100 ≤150 | ≥3 ≤50 | ≥50 ≤100 | ≥100 ≤150 | |||
| S690 QL | 1.8931 | 690 | 650 | 630 | 770/940 | 760/930 | 710/900 | 14 |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
S690 QL Sheets and Plates are used in many heavy-duty applications where high load capacity and durability are required. They are commonly used in bridge construction, cranes, truck frames, offshore structures, mining machines, and wind towers. These plates are also preferred in pressure vessels and lifting equipment for their strength and stability. Their excellent strength-to-weight ratio helps reduce the overall weight of structures without affecting safety. Because of their reliability and performance, S690 QL Plates are a preferred choice for industries working under extreme conditions.
Desta 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 Addis Ababa, Ethiopia.
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