I. Ordinary Carbon Structural Steel (Most Widely Used) Q235B (ASTM A36 / EN S235JR / JIS SS400) The most universal and widely consumed structural steel grade in China, offering excellent cost-performance value. Corresponding foreign equivalents: A36, SS400. Applications: The vast majority of ...

I. Definition A Portal Rigid Frame consists of steel columns and steel roof beams rigidly connected to form a unified, gate-like frame unit. It is the most common form of light steel structure construction. Simply put, steel beams and columns are rigidly joined at their nodes to create a structural ...

Components of Steel Structures Structure Type Core Components Portal Frame Factory Building Frame Columns + Roof Beams + Purlins + Bracings + Wall/Roof Panels Multi-Storey Steel Frame Frame Columns + Frame Beams + Secondary Beams + Decking Sheets + Composite Slabs Long-Span Steel Truss Steel Trusses ...

With the rapid development of industrial plants, commercial buildings, and large-scale infrastructure, steel structure engineering is being used more and more widely due to its advantages such as lightweight, high strength, and short construction period. However, in actual projects, cost control and ...

With industrial upgrading and the increasing age of factory buildings, many old industrial plants face aging steel structures, insufficient load-bearing capacity, and even safety hazards. Through scientific and reasonable steel structure reinforcement and renovation, not only can the load-bearing ...

In today’s fast-evolving industrial sector, businesses face mounting pressure to reduce construction costs, shorten project timelines, and ensure long-term operational efficiency. Traditional factory construction methods often involve multiple contractors, unpredictable costs, and extended timelines...