Steel structure processing is an important stage, determining the solidity and quality of each pre-engineered steel building. To create standard steel structures, the steel structure processing process must go through many strict stages, from material preparation, cutting, welding, assembly to final quality control. So specifically, what are the steps in the steel structure processing process? Let's Hai Long Construction Find out in the article below.
1. What is Steel Structure Processing?
Steel structure processing is the process of converting raw steel materials into steel components or products with shapes, sizes and physical properties suitable to the design requirements of each construction or industrial project.
This process includes many stages such as cutting, welding, bending, straightening, etc. to create steel components such as beams, columns, trusses, brackets, etc. that meet technical standards and ensure durability and safety for the construction.
Common processing methods today include: Plasma, laser, oxy-gas cutting; automatic welding, bending with specialized machines; surface treatment such as grinding, coating or galvanizing to increase corrosion resistance.
For pre-engineered steel buildings, factories, bridges, high-rise buildings, industrial plants, etc. or energy, transportation and other projects, steel structure processing plays a key role in the modern construction industry.

Thanks to the ability to create highly precise, load-bearing and fast-constructed components, steel structures are increasingly widely used and have become an indispensable part of large-scale construction projects today.
See more: Summary of knowledge about Steel Structures
2. Steel structure processing & Application
Building factories, industrial plants
Factories and industrial plants are often built on a large scale, so they require sturdy steel frames. Steel components are prefabricated at the factory, then transported to the construction site for assembly, helping to shorten construction time, save costs and create spacious spaces, not limited by traditional load-bearing columns.

Road and bridge construction, traffic infrastructure
In addition to industrial factory buildings, steel structures are also widely used in the construction of road bridges, suspension bridges, underpasses and other traffic works. Thanks to their ability to withstand large loads, resist corrosion and adapt to harsh environmental conditions, steel structures help these works ensure safety, long life and easy upgrading and maintenance.

High-rise buildings, civil and commercial works
Steel structures allow the construction of high-rise buildings, shopping malls, stadiums, auditoriums, airport canopies, etc. with open spaces, large spans without the need for many supporting columns, providing aesthetics, flexibility in design and optimizing usable area.

Mining and energy industry
Steel structures are used to manufacture drilling rigs, conveyor belts, power transmission towers, wind turbines, oil and gas pipelines, etc. Thanks to their good load-bearing and corrosion-resistant capabilities, steel structure fabrication helps improve performance, safety and longevity for specific industrial projects.
Supplying 1.800 tons of Hai Long steel structure for Hai Duong Thermal Power Conveyor Project
Shipbuilding and transportation
In the shipbuilding industry, steel structures are the main material for manufacturing ship hulls, train frames, rails, engine parts, etc. Steel structure processing brings strength, reduces weight and increases operating efficiency for modern means of transport.
Special facilities and public infrastructure
Steel structure processing is also applied in the construction of gymnasiums, stadiums, canopies, train stations, bus stations, large-scale cultural, educational and medical works, requiring solid structures, flexible architecture and fast construction progress.
3. Steel structure processing methods
Steel structure construction is a complex process, requiring close coordination between stages from material preparation, processing, transportation to complete installation on site. Below is a summary of popular and effective steel structure construction methods currently applied by reputable units in the industry:
1. Prepare and check materials and equipment
-
Carefully check input materials (steel quality, CQ, CO certificates) to ensure they meet project technical standards.
-
Check and maintain construction equipment such as cranes, welding machines, cutting machines, scaffolding, protective equipment, etc. to ensure safety and efficiency during construction.
2. Fabrication of components at the factory
-
Steel cutting/discharging: Using modern technologies such as plasma cutting, laser, oxy-gas to create precise shapes according to design drawings.
-
Assembly fixture, plate processing: Position the plates, beams, columns, and steel webs in the correct position, and temporarily connect them by welding or bolting.
-
Combination welding: Conduct automatic or semi-automatic welding of joints, ensuring high durability and precision; check weld quality by non-destructive methods such as ultrasound and magnetism.
-
Adjust and complete: Adjust and straighten warped components during fabrication to ensure accuracy during assembly.
-
Surface treatment and coating: Clean the surface by shot blasting, apply anti-rust paint and finish paint to protect the structure from corrosion, increasing the life of the project.

3. Transporting components to the construction site
-
Transporting finished steel components to the construction site by specialized vehicles, ensuring safety, on schedule and without deformation of the components.

4. Steel structure erection at construction site
-
Main frame assembly: Use large tonnage cranes to install columns, trusses, and main beams; align the position, elevation, and verticality of components according to design drawings.
-
Installation of purlins, braces, roof: Install purlins, roof braces, column braces, and auxiliary connections to ensure stability for the entire structural frame.
-
Roofing, wall paneling: Bring roofing sheets to the roof, install wall panels, gutters, downpipes, ventilation leaves, etc. to ensure tightness, aesthetics and proper technique.
-
Inspection and acceptance: Check all joints, bolts, connections, ensure there are no errors before handing over the project.
5. Notes and safety measures
-
Organize safety training for workers, check protective equipment before construction.
-
Install safe cable systems, sturdy scaffolding, and control construction power sources to prevent accidents.
-
Ensure synchronous material supply progress, avoid interruptions affecting the overall progress of the project.
4. Quality standards and inspection of steel structure processing
Vietnam Standard (TCVN):
- TCVN 170:2007, TCVN 10307:2014: Regulations on technical requirements, processing, assembly and acceptance processes of steel structures in construction, including material testing, manufacturing processes, assembly and acceptance of final products.
- TCVN 5575:2012: Steel structure design standards, specifying requirements for calculation, design and product quality inspection.
- TCXDVN 170:2007: Ensure the quality and durability of steel structures during processing and assembly.
International Standard:
- ISO 9001: Total quality management system in production, from design to delivery.
- ISO 3834: Requirements for quality control during welding of steel structures.
- EN 1090 (Europe), AISC (USA), BS 5950 (UK), AS 4100 (Australia): Regulations on design, fabrication, inspection and acceptance of steel structures, ensuring products meet international standards for safety and durability.
WHY SHOULD YOU CHOOSE HAI LONG CONSTRUCTION AS A STEEL STRUCTURE PRODUCTION AND INSTALLATION UNIT?
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, Ha Ly Ward, Hong Bang District, Hai Phong City, Vietnam.
- Hotline: 084 6625 888
- Email: info@hailongjsc.vn