In the modern construction industry, the terms "steel structure" and "prefabricated steel buildings" are frequently mentioned as a superior solution for projects from industrial factories, warehouses, high-rise buildings to traffic infrastructure projects. However, not everyone clearly understands the nature of "production procedureWhat is "? What is its structure and what is the core difference compared to pre-engineered steel buildings.
In this article, Hai Long Steel Structure will provide an overview, detailed and easy to understand overview of a solid knowledge base before making decisions for your project.

Definition of Steel Structure in Construction
Steel structure (English: Structural Steel) is a load-bearing structure of a construction work made up of steel components connected together. These components are designed to transmit and withstand the loads acting on the work, ensuring solidity, stability and safety during use.
In essence, it is a main load-bearing frame system in which steel acts as the core material. Due to the very high tensile strength of steel, steel structures are generally stronger and require less raw materials than other traditional structures such as reinforced concrete or wood.
Describe in detail the structure of a steel structure
A complete steel structure is the assembly of many different components, each part has its own function and is closely linked to form a unified load-bearing system. The basic structure includes:
Main structural frame (columns, trusses, beams)
This is considered the "skeleton" of the structure, responsible for supporting the entire load.
- Steel columns: Is a vertical structure, transferring load from roof and floor to foundation system.
- Steel truss: Usually inclined structures, forming a roof frame, capable of spanning large spaces.
- Steel beams: Horizontal structures that connect columns together and support the floor and roof systems.
These components can be prefabricated steel profiles (H, I, U, C) or composite steel processed from steel plates at the factory according to the requirements of the design drawings.
See more: Shaped Steel (H, I, U, V, C): Classification, Standards and Practical Applications

Bracing system (roof bracing, column bracing, purlin bracing)
The bracing system plays an extremely important role in ensuring the stability of the main structural frame in the vertical and horizontal directions, against impacts such as wind and storms. The bracing system helps the entire structure become a rigid, shapeless space, ensuring the safety and stability of the entire project.
Joints (bolts and welds)
To assemble individual steel components into a complete system, people use high-strength bolted connections or welds. The quality of these connections directly affects the load-bearing capacity and safety of the entire structure.
Distinguishing between Steel Structure and Prefabricated Steel Buildings
Structural Steel: As a general term, it refers to any type of structure that uses steel as the main material. It covers a very wide range, from factories, high-rise buildings, bridges, antenna towers, to oil rigs.
Pre-Engineered Building (PEB): is a specific type of steel structure construction. The characteristic of prefabricated steel buildings is that all components are designed, calculated and manufactured synchronously according to technical drawings at the factory. Then, they are transported to the construction site and only need to be assembled. This process helps to optimize materials, speed up progress and easily control quality.
So, every pre-engineered steel building is a steel structure, but not every steel structure building is a pre-engineered steel building.
Why is steel structure the top choice in modern construction?
Steel structures are increasingly popular in construction thanks to their many advantages over traditional solutions. The main benefits include high load-bearing capacity, light weight, quick construction, flexibility in architecture and cost optimization. These advantages help investors shorten the time to put the project into operation, save on construction costs and create works with high aesthetics.

Hai Long Steel Structure – A Reliable Partner For Every Project
Modern steel fabrication technology has marked a major step forward in the performance, quality and sustainability of construction projects. Improvements in design, manufacturing and management help to optimise costs, minimise risks and ensure that structures meet the highest safety standards.
Choosing the right steel structure processing partner is the decisive factor for the success of each construction project. In the context of the market increasingly demanding high quality, progress and safety, Hai Long Steel Structure Proud to be the leading brand trusted by many large domestic and foreign investors:
- Team experienced engineers, architects and experts, knowledgeable about the design and construction of warehouse factories according to international standards.
- Diverse construction capacity, meeting all project sizes and requirements, from simple to complex factories.
- Possessing a system of modern machinery and equipment, three steel structure factories with a productivity of nearly 50.000 tons/year, ensuring quick, accurate and safe construction.
- Professional construction process, is strictly managed.
You are looking for one Prestigious and professional steel structure manufacturing and erection unit? Please contact Hai Long Construction for free consultation and quote:
- HAI LONG CONSTRUCTION JOINT STOCK COMPANY – MEMBER OF TAIYO GROUP
- Address: Taiyo Building, 97 Bach Dang, Hong Bang Ward, Hai Phong City, Vietnam.
- Hotline: 084 6625 888
- Email: info@hailongjsc.vn



