S1100QL steel sheets and plates represent a category of ultra-high-strength, quenched-and-tempered structural steels designed for demanding load-bearing and heavy-duty applications. These plates provide outstanding strength, toughness, and durability while still being weldable and easy to form, even under significant loads and challenging conditions. They’re an excellent choice for structural projects, heavy machinery, and high-stress engineering tasks, offering a fantastic balance of strength-to-weight ratio and reliability.
The typical chemical makeup of S1100QL features controlled carbon levels (around ~0.20–0.22%), manganese (about ~1.6–1.7%), along with silicon, chromium, molybdenum, nickel, and micro-alloying elements. This combination results in a finely tuned microstructure that enhances both strength and toughness. ([Yousef Steel][1])
| Material | EN 10025-6 S960QL |
| Standards |
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| Dimension Range |
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| SSAB Brand |
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| Test certificates | EN 10204 3.1/2.2 |
| Brands | JSW, Dillinger, Thyssen, SAIL, TATA, JSPL,Essar, POSCO,Uttam, Clabecq, and Mills |
| Mn | 1.70 |
| Si | 00.80 |
| P | 00.020 |
| C | 00.20 |
| S | 00.010 |
| B | 00.0050 |
| N | 00.015 |
| V | 00.12 |
| Cu | 00.50 |
| Cr | 1.50 |
| Mo | 00.70 |
| Ni | 2.0 |
| Nb | 00.06 |
| Ti | 00.05 |
| Zr | 00.15 |
| Elongation A5(min %) | Yield strength Rp0.2(min MPa) | Thickness of material (mm) | Tensile strength Rm(MPa) |
| 12% | 960 MPa | 4.0 – 53.0 mm | 980 – 1150 MPa |
| 10% | 850 MPa | 53.1 – 120.0 mm | 900 – 1100 MPa |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
On the mechanical side, S1100QL plates deliver impressive performance: they boast a minimum yield strength of about **1100 MPa**, with tensile strengths ranging from approximately **1150–1400 MPa** (depending on thickness and processing). ([Yousef Steel][1]) Elongation and impact toughness are sufficient for heavy-duty structural uses, and the quenched-and-tempered state guarantees consistency and resistance to fatigue or dynamic loads. ([Bohrium][2])
Thanks to these features, S1100QL sheets and plates are frequently utilized in structural components, heavy machinery, cranes, lifting equipment, bridges, offshore platforms, and load-bearing frameworks where high strength and reduced weight are essential. Their impressive strength-to-weight ratio allows for lighter yet stronger structures, which is crucial for advanced engineering, construction, defense, and industrial applications. ([csteelindia.com][3])
FAISAL 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 Muscat, OMAN.
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