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Q235、SS400、A36 I Beam

I Beam, also known as H-beam or Universal Beam, is a type of structural steel that features a cross-section resembling the letter "I." It is widely used in construction and engineering for its ability to bear heavy loads while minimizing material usage. The I-beam’s unique shape allows it to handle bending and shear forces efficiently, making it an essential material in large-scale projects such as buildings, bridges, and industrial structures. I beams are available in various sizes, lengths, and grades, offering versatility for numerous applications.

I Beam Steel 

I Beam, also known as H-beam or Universal Beam, is a type of structural steel that features a cross-section resembling the letter "I." It is widely used in construction and engineering for its ability to bear heavy loads while minimizing material usage. The I-beam’s unique shape allows it to handle bending and shear forces efficiently, making it an essential material in large-scale projects such as buildings, bridges, and industrial structures. I beams are available in various sizes, lengths, and grades, offering versatility for numerous applications.

Key Features of I Beam Steel

  • High Load-Bearing Capacity: The I-shaped cross-section provides excellent bending strength, making I beams ideal for supporting heavy loads and structural integrity in large buildings and infrastructure projects.
  • Efficiency in Material Use: The design of the I beam maximizes strength while minimizing the amount of material needed. This makes I beams cost-effective for construction while maintaining high performance.
  • Versatility: I beams can be used in various applications, including as beams, columns, trusses, and structural supports, offering flexibility in design and use.
  • Durability: Made from high-quality carbon steel, I beams offer excellent resistance to fatigue, corrosion, and wear. With proper treatment, they can last for decades.
  • Easy to Fabricate and Install: I beams are easy to work with and can be welded, bolted, or riveted into place, making them ideal for both temporary and permanent installations.

Technical Specifications of I Beam Steel

ItemParameter
MaterialCarbon Steel (Q235, Q345, SS400, etc.)
Length6 meters - 12 meters or Custom
Height (H)80 mm - 900 mm or Custom
Width (B)50 mm - 300 mm or Custom
Thickness (t)5 mm - 40 mm or Custom
Flange Thickness (tf)5 mm - 50 mm or Custom
Web Thickness (tw)3 mm - 20 mm or Custom
WeightVaries based on size and grade
Tensile Strength≥ 400 MPa
Yield Strength≥ 250 MPa
Elongation≥ 20%
Surface FinishMill Finish, Painted, or Galvanized
HardnessHRB 120 - 180

Advantages of I Beam Steel

  • Superior Load-Bearing Capacity: The shape of the I beam allows it to resist bending and shear forces efficiently, making it ideal for heavy-duty applications like bridges, high-rise buildings, and industrial structures.
  • Cost-Effective: I beams are economical as they provide maximum strength with minimal material usage, reducing both construction and material costs.
  • Strong and Stable: I beams provide excellent structural support, ensuring that buildings and structures remain stable even under extreme loads or heavy usage.
  • Versatile Applications: From residential construction to large industrial projects, I beams are suitable for a wide variety of uses, including supporting floors, roofs, and foundations, as well as creating load-bearing walls and frameworks.
  • Sustainable: I beams are highly durable and can be recycled, contributing to the sustainability of construction projects by reducing waste.

Common Applications of I Beam Steel

  • Building Construction: I beams are commonly used for constructing structural frames, foundations, and floor systems in buildings. Their ability to handle large amounts of weight makes them ideal for skyscrapers and large commercial buildings.
  • Bridges: I beams are essential components in bridge construction, providing the strength needed to support vehicles, pedestrians, and other loads.
  • Industrial Infrastructure: I beams are used in the construction of warehouses, factories, and industrial facilities, where heavy-duty support structures are required.
  • Shipbuilding: In shipbuilding, I beams are used for creating the hull and other structural elements, ensuring the strength and stability of vessels.
  • Transportation: I beams are often used in the construction of rail tracks, highways, and support for large transportation systems due to their ability to withstand heavy loads and environmental pressures.
  • Mechanical and Electrical Equipment: I beams are used in the frames and structural supports of mechanical systems, machinery, and electrical equipment due to their strength and adaptability.

Frequently Asked Questions (FAQ)

1. What is the difference between an I beam and a H beam?
The primary difference is in the shape. An I beam has a narrower flange, while a H beam has wider flanges, giving it a higher load-bearing capacity. H beams are often used in more heavy-duty applications, whereas I beams are suitable for a broader range of construction needs.

2. Can I beams be used for outdoor applications?
Yes, I beams are suitable for outdoor applications, especially if they are treated with a protective coating such as galvanization or painting to prevent corrosion.

3. How are I beams fabricated?
I beams are typically produced by rolling or pressing steel into the desired shape. They can be cut to custom lengths, welded, or drilled to meet specific construction requirements.

4. Can I beams be used in residential buildings?
Yes, I beams are commonly used in residential construction for load-bearing walls, floors, and roof systems, especially in multi-story buildings or areas with heavy load requirements.

5. Are custom sizes available for I beams?
Yes, I beams can be provided in various sizes and grades, customized to meet the specific requirements of a project. Please contact us for more details or custom orders.


I beam steel is a critical material for modern construction, offering a combination of strength, durability, and versatility. Whether you're building a high-rise building, a bridge, or a manufacturing facility, I beams provide the essential structural support needed for safe and stable construction. With a wide range of sizes, lengths, and grades available, I beams can be tailored to suit your specific project needs. For more information or to request a custom order, please feel free to contact us.







Q: Are You Manufacture or Trade Company?

A: We are the professional manufacturer of steel products located in China. Welcome to contact us and visit our factory before you place orders.

Q: How do you guarantee the quality?

A: We are the professional manufacturer of steel products located in China. Welcome to contact us and visit our factory before you place orders.

Q: Can I get free samples?

A: Of course you can. We can produce according to your samples or technical drawings. Contact us by whatsapp or email to get free samples and you will get the sample after 3-7 working days.

Q: What is the MOQ? 

A: If you are scheduling to place a small quantity order or trial order, feel free to contact us, we can meet your requirements.

Q: Can you OEM or ODM?

A: Yes, we have a strong developing team. The products can be made according to your request.

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