The quality of a steel structure project depends not only on the design or erection techniques, but is also largely determined by the quality of each component produced. To ensure optimal precision, load-bearing capacity and durability, each component must undergo a rigorous steel structure manufacturing process at the factory. This article will take you on a detailed tour of the 8 core steps in the professional steel structure fabrication process, helping customers, engineers and partners understand how to create the highest quality products.
The importance of a standard manufacturing process
A standardized and strictly controlled production process will ensure:
- Uniform quality: All components meet the same technical standards.
- Chinese traditional costume: The details are machined to the correct dimensions in the drawing, helping the assembly at the construction site to take place smoothly and quickly.
- Material optimization: Minimize errors and avoid wasting materials.
- Absolute safety: Ensure the load-bearing capacity and stability of the project after completion.
Details of 8 steps in the steel structure manufacturing process
Below is the basic 8-step process applied in modern steel structure manufacturing factories:
Step 1: Receiving & Checking Input Materials
All steel materials (steel plates, shaped steel) imported to the factory must be carefully inspected, compared with project requirements and current standards to ensure quality and clear origin.
Step 2: Cut steel according to the processing drawing
From the detailed design drawings, the steel plates will be fed into the automatic cutting machine. Modern technologies such as CNC cutting, Plasma, Laser are used to cut steel into blanks (wing plates, web plates) with absolutely precise sizes and shapes.
(Image: Automatic Plasma steel cutting machine in operation at Hai Long Construction Factory)
Step 3: Mount the assembly and position the components
The cut steel blanks will be positioned in the correct design position (e.g., joining the web and the flange) and temporarily fixed with fixture welds. This stage also includes machining and punching holes for the brackets.
Step 4: Automatic assembly welding
After the fixture is completed, the structure is transferred to the automatic welding machine. The use of automatic submerged arc welding machine helps to create continuous, even and high-quality welds, ensuring a solid connection for the structure.
Step 5: Adjust the structure
The welding process at high temperature can cause the structure to warp and deform. Therefore, they must be passed through a straightening machine to re-adjust the straightness and flatness, ensuring geometric accuracy before moving on to the next stage.
Step 6: Assemble the base plate and reinforcing ribs
Sub-components such as brackets, stiffeners, etc. will be assembled into the main structure by skilled hand welders. This step requires meticulousness and precision to ensure that bolt connections at the construction site can be easily made later.
Step 7: Clean the surface and spray
This is an extremely important step to determine the durability of the paint layer. The structure will be put into the shot blasting machine to completely clean the rust, grease and impurities on the surface, creating a standard roughness to help the paint layer adhere best.
Step 8: Finishing coat
After cleaning, the structure will be painted with a protective coating. Normally, the standard painting process includes 1 coat of anti-rust paint and 2 coats of finishing paint according to the customer's requirements. This paint layer has the role of protecting the structure from the corrosive effects of the environment.
The role of Quality Control (QC) throughout the process
At each step of the manufacturing process, the Quality Control (QC) department conducts independent inspections. They are responsible for ensuring that all specifications (dimensions, weld quality, paint thickness, etc.) are met. Any product that does not meet the standards is marked and returned for rework, ensuring that only the most perfect components leave the factory.
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
