MTL are the UK’s Largest Stockist and Processor of S690 Material
At MTL, we take pride in being the largest stockist and processor of S690 material, providing a comprehensive selection of grades including S690QL, S690Q, S690S, and S690M. Our extensive inventory ensures that we can meet your project’s specific requirements efficiently and promptly. In addition to S690 material, we also offer other high strength steels, such as Strenx.
S690QL: High-Strength Structural Steel
S690QL is a high-yield structural steel renowned for its strength, toughness, and excellent weldability. It is widely used in applications that demand superior performance under high loads and stress, making it a key material in industries such as construction, mining, and heavy equipment manufacturing.
Why Choose S690QL?
Exceptional Strength
With a minimum yield strength of 690 MPa, S690QL provides incredible structural support while allowing for reduced thickness. This results in lighter structures, improved material efficiency, and cost savings.
Excellent Toughness at Low Temperatures
S690QL is designed to retain its toughness and strength even at low temperatures, making it ideal for challenging environments. Its impact resistance at temperatures as low as -40°C ensures durability and reliability in extreme conditions.
Outstanding Weldability
Despite its high strength, S690QL is easy to weld and form, making it versatile for a variety of construction needs. It is commonly used in large-scale infrastructure projects, including bridges, cranes, and offshore structures.
Corrosion Resistance & Long-lasting Durability
Engineered for long-term performance, S690QL offers excellent resistance to wear and corrosion, reducing maintenance requirements and ensuring your structures can withstand harsh environmental conditions.
Processing Capabilities: Cutting, Bending, and Welding S690QL
At MTL, we provide a full range of processing options for S690QL steel, ensuring it meets the precise specifications of your project. Whether you’re fabricating complex structures or need precise customisation, our advanced machinery and skilled team can handle the following:
1. Cutting
We use state-of-the-art cutting technologies to achieve clean, accurate cuts on S690QL plates. Our cutting methods include:
- Laser Cutting – Provides precise and clean edges for thinner plates, allowing for intricate shapes.
- Waterjet Cutting – A versatile method for cutting without heat, ensuring no thermal distortion on your material.
- Plasma Cutting – Ideal for high-speed, precision cuts, especially on thicker plates.
2. Bending and Forming
S690QL’s high strength doesn’t compromise its formability. Our bending and forming processes are designed to retain the material’s strength while achieving the desired shapes. With our specialised press brakes, we can bend S690QL plates up to the required thickness with minimal risk of cracking or stress.
3. Welding
S690QL offers excellent weldability, and we provide various welding options to suit your fabrication needs. Our experienced welders can work with different welding methods, including:
- MIG/MAG Welding – For high-speed, efficient welding with minimal post-processing required.
- TIG Welding – For precision work requiring a clean finish and strong welds.
We also ensure that all welded structures meet industry standards and maintain the mechanical properties of S690QL, ensuring the highest performance in your projects.
Applications of S690QL Material
S690QL is utilised in a wide range of high-stress environments, including but not limited to:
- Construction of High-Rise Buildings – Lighter steel sections reduce load-bearing requirements while maintaining strength, perfect for skyscrapers and large industrial complexes.
- Mining & Earthmoving Equipment – With superior wear resistance, S690QL is an ideal material for heavy-duty machinery and equipment used in mining and excavation.
- Cranes and Lifting Equipment – The high load-bearing capacity of S690QL allows for safer and more efficient crane construction with less material weight.
- Offshore & Marine Structures – Due to its ability to withstand harsh environments and resist corrosion, S690QL is frequently used in oil platforms and shipbuilding.
- Bridges & Infrastructure – For modern infrastructure projects, S690QL offers the strength required to handle significant stresses and vibrations while reducing overall construction weight.
Technical Specifications
| Property | Value |
|---|---|
| Yield Strength | ≥ 690 MPa |
| Tensile Strength | 770-940 MPa |
| Elongation | ≥ 14% |
| Impact Energy at -40°C | ≥ 30 Joules |
| Carbon Equivalent (CEV) | ≤ 0.65 |
Available Thicknesses: S690QL plates are available in thicknesses ranging from 6mm to 120mm and can be customised for specific project requirements.
Key Features of S690QL Material
- High Yield Strength – Ideal for reducing material weight in large structures.
- Enhanced Durability – Extended lifespan in heavy-duty applications.
- Weldability – Suitable for complex fabrications and welding techniques.
- Low Temperature Toughness – Performs even in extreme cold conditions.
- Sustainability – Reduced material usage leads to environmental benefits.
Certifications and Standards
S690QL complies with various international standards, including:
- EN 10025-6 – European standard for hot-rolled structural steels.
- CE Marking – Compliant with European safety and quality requirements.
- ISO 9001 – Manufactured under strict quality control standards.
Contact Us Today
At MTL, we provide premium S690QL materials for your projects, ensuring quality, precision, and durability in every batch. Our experts are available to assist with technical queries, customisations, and project advice, please Contact Us today.