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Usage of steel hollow structural sections
Hollow Structural Sections (HSS) are metal profiles with a hollow, tubular design, typically made from steel. These sections are widely used in construction and engineering due to their high strength-to-weight ratio and versatility. Available in various shapes—such as round, square, and rectangular—HSS can be customized in size and wall thickness to suit different structural needs.
Manufactured according to international standards like EN 10219, EN 10225, ASTM, and API, HSS is produced using advanced welding techniques such as High-Frequency Welding (HFW), Helical Submerged Arc Welding (HSAW), and Longitudinal Submerged Arc Welding (LSAW). These methods ensure the material’s durability and performance in even the most demanding applications.
HSS finds use in a wide range of industries and structures:
- **Bridges**: Its strength and flexibility make it ideal for both road and pedestrian bridges, offering long-lasting support under heavy traffic.
- **Roofing and Superstructures**: In large buildings like airports, stadiums, and malls, HSS allows for expansive, column-free spaces, enhancing architectural design possibilities.
- **Long-Span Structures**: Used in warehouses and industrial facilities, HSS provides stability over long distances while keeping weight manageable.
- **Cranes and Masts**: HSS is commonly used in cranes, booms, and masts where both strength and flexibility are crucial.
- **Heavy Machinery**: As a framework for agricultural and earth-moving equipment, HSS offers the robustness needed for continuous, high-load operations.
- **Vehicle Frames**: From trucks to railway cars, HSS is used in frames due to its ability to absorb vibrations and withstand wear.
- **Lighting and Signage Poles**: The tubular form and strength of HSS make it perfect for traffic poles, street signs, and other infrastructure elements.
- **Offshore Platforms**: HSS is essential in jacket foundations for oil rigs and wind turbines, providing reliable support in harsh marine conditions.
- **Top-Sides of Oil Platforms**: The topside structures that house critical equipment rely on HSS for resilience against extreme weather and corrosion.
- **Jack-Up Rigs**: These offshore drilling platforms use HSS to maintain stability in deep waters.
- **Pile Foundations**: HSS is often used in pile foundations for both onshore and offshore projects, ensuring strong load distribution.
In summary, HSS is a highly versatile material that combines strength, durability, and lightweight properties. It plays a key role in modern engineering, supporting a wide array of structures and systems across multiple industries. Whether in construction, transportation, or offshore development, HSS continues to be a preferred choice for engineers and architects seeking efficient and reliable solutions.