High Efficiency Reusable Concorete Steel Formwork System

AJ Building is a well-known steel formwork manufacturer in China, with over 20 years of experience in the construction field, we have exported to more than 160 countries and regions.

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Wholesale Custom Concrete Steel Formwork Supplier


      AJ Building has a factory covering an area of over 50,000 square meters and a limited company. We can provide you with comprehensive customization services for concrete steel formwork, and we strictly control every step in the production process to ensure the quality of the steel formwork.

      We are dedicated to delivering the best solutions for your construction needs.

      Steel formwork is also called steel shuttering. We will introduce you to the advantages of steel formwork through videos.


Superior Strength

Steel formwork offers exceptional structural strength, making it ideal for handling heavy loads and providing robust support during concrete pouring.



Steel formwork is highly durable and resistant to wear and tear, ensuring prolonged usability and cost-effectiveness over multiple construction projects.


Excellent Concrete Finish

The smooth surface of steel formwork results in a superior concrete finish, requiring minimal finishing work after concrete pouring.



Different Types Of Concrete Metal Formwork

      For different engineering purposes, we provide two types of steel formwork, including steel flat formwork and steel circular formwork. Flat slab formwork can help you construct floors and walls, while steel circular formwork can help you construct load-bearing columns. In addition, we provide various types of corner formwork, which can assist in the construction of walls, etc.

Flat Formwork


Length(mm): 1800/1500/1200/900

Width(mm): 600/500/450/300/200

Height(mm): 55

Thickness(mm): 3-5


Circular Column Formwork



Height * Diameter(mm): 





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    Corner Angle
    Corner Angles are designed to provide secure and stable connections at corners of steel formwork
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    Internal Corner Formwork
    Internal corner formwork are used to align and secure standard panels on inside corners at a 90° angle
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    External Corner formwork
    External Corner formwork and internal Corner formwork work the same way, and we have a wide range of sizes available.


Advantages Of Steel Shuttering Formwork

Metal concrete shuttering formwork offers durability, precision, and reusability, making it an ideal choice for construction due to its strength, accuracy, and cost-effectiveness.

  • Durability: Steel formwork is highly durable and can withstand multiple uses, making it cost-effective for projects with numerous concrete pours.
  • Smooth Finish: It provides a smooth and consistent surface finish to the concrete, reducing the need for additional surface treatments.
  • Strength: Steel formwork is capable of supporting heavy loads, making it suitable for large-scale construction projects.
  • Accuracy: It ensures precise dimensions and shapes in the final concrete structure, reducing the need for corrections or adjustments.
  • Environmental Sustainability: Reusable steel formwork reduces the need for disposable formwork materials, contributing to environmental sustainability.


3D Model Display For Steel Formwork

With the assistance of our engineers, we can help you create 3D models of your products.



Customisable Of Concrete Metal Formwork

In order to meet the requirements of your different construction projects, AJ Building can customize the steel formwork surface treatment, size, shape, structural design, etc.

Surface Treatment

  1. Powder Spraying Process: This process uses powder coating instead of traditional liquid paint, and the powder coating is evenly sprayed onto the surface of the workpiece through spray equipment. Including spraying, curing, cooling and hardening steps. Different powder coatings can be customized in different colors, such as red, blue, yellow, etc.
  2. Paint Process: Paint is often used on steel formwork. After surface treatment of the workpiece, the primer is applied first, which helps to improve the adhesion of the coating; then the intermediate coating or topcoat is applied, and the intermediate coating improves the gloss of the coating. , the topcoat gives the piece its final color. Finally drying and curing are performed. The painting process is cheaper than the powder spraying process.


Dimensions And Specifications

  1. Size adjustment: We can adjust the length, width and thickness of the steel formwork according to your project requirements, you only need to provide us with the product drawings.
  2. Holes and Openings: The surface of steel formwork can be custom machined with holes, openings or cuts to accommodate specific connections, ventilation or other functional requirements. Contact our engineers directly to get customized solutions!
  3. Geometry: If your project is special, we can also customize the overall geometry for you, such as curves, arcs or special contours.



Our Cooperation Projects With Customers

Steel column formwork finds extensive applications in various construction projects, including residential buildings, commercial complexes, industrial structures, bridges, tunnels, and other infrastructural developments. 


Bridge forms are temporary structures or molds used in bridge construction to support and shape concrete until it reaches the required strength and shape. Generally used to make bridge piers.




Tunnels are also places where steel formwork is widely used. Because of the particularity of tunnels, steel formwork is widely used. Because the load-bearing properties of aluminum formwork, plastic formwork, and wooden formwork cannot meet the requirements of tunnel construction.


Residential Buildings

Steel formwork is the most widely used in the field of personal construction. It is often used for the pouring of slabs, floors, walls, and columns.




Package Of Steel Shuttering

      When packaging steel formwork system , our process is meticulous to ensure optimal protection during transportation and storage. Each component is methodically arranged, securely bundled, or placed on pallets to prevent movement or damage. We employ robust coverings and wrappings to shield against scratches, moisture, and corrosion during transit. Moreover, our packaging is designed to facilitate easy identification and efficient on-site assembly, featuring clear labels and distinct markers for swift recognition of components.

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The Complete Guide To Steel Formwork



What Is A Steel Formwork


Steel formwork is a temporary structure used to support and shape concrete. It is composed of steel plates and steel skeletons to ensure that the concrete maintains the designed shape during pouring and hardening. Steel formwork is widely used in various construction projects, including high-rise buildings, bridges, tunnels, industrial plants, etc.



Types Of Steel Formwork


1. Classification by purpose


  • Wall formwork: specially used for pouring vertical wall concrete.
  • Column formwork: used for forming column concrete.
  • Beam formwork: used for casting horizontal beams.
  • Floor formwork: used for the construction of floor structure.
  • Tunnel formwork: suitable for forming tunnel structures.
  • Bridge formwork: used in the construction of bridge structures.


2. Classification by structure


  • Modular steel formwork: can be disassembled and reassembled to meet construction needs of different shapes and sizes.
  • Large formwork: strong integrity, suitable for large-area casting projects.
  • Framed Steel Formwork: Comes with a steel frame, providing greater strength and rigidity.


Load Capacity Of Steel Formwork


1. Factors affecting load capacity


  • Material strength: The tensile strength, compressive strength and yield strength of steel directly affect the load capacity of the formwork. Generally speaking, Q235 and Q345 are commonly used types of steel, and Q345 has higher strength.


  • Formwork design structure: The geometric shape of the formwork, the construction method and the design of the connection nodes will also affect its load-bearing performance.


  • Construction technology: The correct construction method and installation technology also have an important impact on the load capacity of the formwork.


  • Support system: The strength and stability of the support system are directly related to the overall load capacity of the formwork.



2. Comparison of load capacity of different types of steel formwork


  • Wall formwork: Design bearing capacity is approximately 60-80 kN/ ㎡ .
  • Column formwork: Design bearing capacity is approximately 70-100 kN/ ㎡ .
  • Beam formwork: Design bearing capacity is approximately 50-70 kN/ ㎡ .
  • Tunnel formwork: The design bearing capacity is about 100-150 kN/ ㎡ , which is suitable for the high load requirements of tunnel engineering.
  • Bridge formwork: The design bearing capacity is approximately 120-180 kN/ ㎡ , meeting the high strength requirements of bridge structures.
  • Standard large formwork: The design bearing capacity is about 80-100 kN/ ㎡ , used for large-area wall or floor construction.
  • Frame formwork: The design bearing capacity is about 90-120 kN/ ㎡ , suitable for structural parts that require high-strength support.



Advantages And Disadvantages Of Steel Formwork




  • High strength and durability: can withstand large construction loads and has a long service life.
  • More reuse times: Compared with other material formworks, steel formworks can be used more times.
  • Improve construction efficiency: high degree of prefabrication and quick on-site installation.
  • High precision and good surface quality: the poured concrete surface is smooth and flat.




  • Heavy and difficult to carry: Mechanical equipment is needed to assist in carrying.
  • High initial cost: The purchase cost of steel formwork is high, but the economic benefits of long-term use are obvious.
  • Anti-corrosion treatment is required: Steel is susceptible to corrosion and requires regular protective treatment.
  • Less design flexibility: Compared with wooden formwork, steel formwork is slightly less flexible in the construction of complex shapes.



Steel Formwork Vs Aluminum Formwork


Steel formwork and aluminum formwork are two common types of formwork, which have significant differences in material properties, weight, service life, construction efficiency, cost, scope of application and environmental performance. Understanding these differences will help construction parties choose the formwork type that best suits project needs.



Steel formwork

Aluminum Formwork

Material properties

High strength, high stiffness

Lightweight and corrosion-resistant


Heavy, requires mechanical handling

Lightweight and can be carried manually

Service life

150-200 times or more

More than 200 times

Construction efficiency

Slow installation and removal speed

Quick installation and removal


High initial cost, low long-term cost

High initial cost, low maintenance cost

Scope of application

Complex structures, large-scale construction

Standardized construction projects

Environmental performance

Recyclable, but anti-corrosion treatment pollution

Completely recyclable, good environmental performance



How To Use Steel Formwork


1. Preparation before template installation

  • Check the integrity of the formwork and prepare necessary installation tools and equipment, such as cranes, bolts, support rods, wrenches, etc. , and clean up the construction site.


2. Fixing and connecting the template

  • Position the formwork according to the construction drawings , fix the formwork in the specified position with bolts or other fixings , and connect adjacent formworks with connectors to form a continuous formwork system.


3. Formwork support system construction

  • After the formwork is in place, setting enough temporary poles to support the formwork is necessary to ensure that the formwork will not deform during the pouring process. Adjustment of the pole height is required to ensure the formwork is at the designed height.


4. Pouring concrete

  • Upon completion of the formwork and support system check for problems, the concrete is poured according to the construction specifications. When pouring concrete the concrete should be vibrated correctly to push out air and make the concrete packed and even.


5. Formwork removal

  • After the concrete has reached 70%-100% of the design strength, the removal of the formwork begins at the top of the formwork. The steel formwork needs to be removed carefully so that the concrete surface will not be damaged. Store the formwork by category, clean it and place it in a designated area for storage.



Selection Of Steel Formworks For Your Project

  • The project scale and complexity: For major or complicated structures, you should select an adjustable steel formwork system with a variety of shapes and high durability.


  • Reusability: If your project is large or you intend to use the formwork in more than one project, the reusability of the system is important.


  • Easily use: The design of the formwork system should be user-friendly. A formwork system that can be quickly constructed and dismantled is more favorable for increased efficiency in work scheduling and to keep labor costs down.


  • Cost : The initial cost and long-term cost should be taken into consideration. The general expense of a system including reusability, buying price, and maintenance costs should be taken into consideration.


  • The Experiences of the Supplier: You must purchase a formwork system from a dependable supplier. Check on the supplier’s previous project experience, product quality, and service.


  • Concurrency with safety: Safety is the top priority in all construction processes. Check and be sure that the formwork system you adopt is appropriate for the safety standards required.



Why Choose Aj Building As Your Steel Formwork Supplier


Company Background and Reputation: AJ Building has over 20 years of experience and a strong reputation in the industry, with successful cases ranging from high-rise buildings to large infrastructure projects.


Product Quality and Certification: High-quality materials and strict quality control system are used to ensure the durability of products. The company has quality management system certifications such as ISO 9001 and CE certification, which meet international standards.


Technical Support and Service: Our experienced technical team provides design customization services to meet the special requirements of your project, and provides installation guides and training to support the correct installation and use of our products.


Price and cost-effectiveness: We work with more than 160 countries and regions around the world. Large-scale production enables us to offer you lower prices than other suppliers and provide discounts for long-term customers to improve overall cost-effectiveness.


Delivery Capability and Logistics: Advanced production equipment and sufficient inventory ensure on-time delivery, and an extensive logistics network supports safe and timely delivery.


Contracts and Terms: Provide clear and detailed contract terms to protect the rights and interests of both parties; support flexible payment methods to reduce customer financial risks.


On-site inspection and communication: Visiting the factory allows you to witness the production environment and product quality with your own eyes. You are welcome to visit our production factory on site to understand the production environment, equipment and management level.


With rich experience, high-quality products, professional technical support and good after-sales service, AJ Building is capable of serving as your reliable steel formwork supplier and providing high-quality formwork solutions for your projects.






How is steel formwork different from other formwork materials like wood or plastic?

  • Steel formwork offers greater durability and reusability compared to wood or plastic. It provides a smoother surface finish and can support heavier loads.


What maintenance is required for steel formwork?

  • Regular cleaning and lubrication of moving parts, as well as inspections for wear and damage, are recommended to ensure safe and efficient use.


Are there safety features in steel formwork systems?

  • Yes, safety features such as guardrails and non-slip surfaces are often integrated into steel formwork systems to protect workers.
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