Luke Steel is a well-respected manufacturer and supplier based in Houston, Houstan, celebrated for providing top-notch high-strength steel products like S690 QL Sheets and Plates. With a keen emphasis on quality, precision, and customer satisfaction, Luke Steel meets the diverse needs of industries that require outstanding structural performance. Their S690 QL Sheets and Plates are in high demand due to their remarkable strength-to-weight ratio, excellent weldability, and impressive toughness. Thanks to their state-of-the-art facilities and a skilled team, Luke Steel guarantees that every product adheres to strict global standards, supporting clients in their heavy-duty structural projects.
S690 QL Sheets and Plates are crafted from high-strength, quenched, and tempered structural steel, boasting a minimum yield strength of 690 MPa. They usually include alloying elements like carbon, manganese, chromium, molybdenum, and nickel, which contribute to their excellent toughness and good weldability. These plates provide high tensile strength, impact resistance even in low temperatures, and good formability. The fine-grain structure achieved through careful heat treatment ensures consistent mechanical properties, making S690 QL perfect for weight-sensitive applications that require robust load-bearing capabilities.
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 find extensive use in industries that demand high structural strength while minimizing weight, such as construction, bridges, cranes, heavy machinery, and load-bearing frameworks. They empower engineers to design lighter yet stronger structures, enhancing efficiency and cost-effectiveness. Common applications include truck bodies, lifting equipment, offshore platforms, and high-rise buildings, where strength, durability, and safety are paramount. With their excellent weldability and formability, S690 QL Plates enable fabricators and manufacturers to meet stringent project specifications while ensuring a long service life and reliability in challenging environments.
Luke 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 Houstan, USA.
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