S690QL High Tensile Steel Plate

Product Details

S690QL is a high-strength, quenched, and tempered steel plate. It is known for its excellent mechanical properties, making it suitable for various demanding applications in engineering and structural projects. Here are some key details about S690QL high-strength plates: Key Features: High Yield Strength: S690QL steel plates have a minimum yield strength of 690 MPa, providing exceptional strength and durability. Toughness: These plates are quenched and tempered, enhancing their toughness and making them suitable for use in harsh environments. Good Weldability: Despite their high strength, S690QL plates maintain good weldability, allowing for ease of fabrication and assembly. Low Temperature Impact Resistance: They have good impact resistance even at low temperatures, ensuring reliability in various climatic conditions. Compliance with Standards: S690QL plates comply with EN 10025-6 standards, ensuring they meet the required quality and performance specifications. Chemical Composition: S690QL plates typically contain the following elements: Carbon (C): ~0.2% Silicon (Si): ~0.8% Manganese (Mn): ~1.7% Phosphorus (P): ≤0.02% Sulfur (S): ≤0.01% Chromium (Cr): ~1.5% Nickel (Ni): ~2.0% Molybdenum (Mo): ~0.7% Boron (B): ~0.005% Mechanical Properties: Yield Strength: ≥ 690 MPa Tensile Strength: 770 - 940 MPa Elongation: ≥ 14% (varies with thickness) Impact Energy: ≥ 30 J at -40°C Applications: Construction: Used in high-stress structural applications such as bridges, buildings, and other infrastructure projects. Heavy Machinery: Ideal for manufacturing components of heavy-duty machinery, including cranes, excavators, and mining equipment. Automotive Industry: Used in the production of high-strength components for trucks and other heavy vehicles. Shipbuilding: Suitable for constructing ships and offshore structures that require high strength and toughness. Pressure Vessels: Utilized in the manufacture of high-pressure tanks and vessels due to its high yield strength and toughness. Advantages: Enhanced Durability: Provides long service life even under high-stress conditions. Versatility: Can be used in a variety of applications across multiple industries. Efficiency: High strength allows for weight reduction in structural components, improving overall efficiency. Considerations: Cost: Due to its high performance, S690QL plates can be more expensive than standard structural steels. Fabrication: Requires skilled handling and proper welding techniques to maintain its mechanical properties. S690QL high-strength plates are an excellent choice for projects that demand high performance, reliability, and durability. If you need more specific technical data or have a particular project in mind, providing additional context will help tailor the information to your needs.