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SS400 Square Hollow Sections /SHS

Square Hollow Sections (SHS) are a type of structural steel section with a square cross-section. These sections are made by welding or cold-forming steel plates into a square hollow shape. SHS is known for its excellent strength, versatility, and high load-bearing capacity. It is widely used in a variety of industries, including construction, infrastructure, furniture, and automotive applications. The uniform dimensions of SHS provide stability and strength, making it ideal for projects that require both structural integrity and aesthetic appeal.

Square Hollow Sections (SHS) 

Square Hollow Sections (SHS) are a type of structural steel section with a square cross-section. These sections are made by welding or cold-forming steel plates into a square hollow shape. SHS is known for its excellent strength, versatility, and high load-bearing capacity. It is widely used in a variety of industries, including construction, infrastructure, furniture, and automotive applications. The uniform dimensions of SHS provide stability and strength, making it ideal for projects that require both structural integrity and aesthetic appeal.

Key Features of Square Hollow Sections (SHS)

  • High Strength and Durability: SHS offers excellent strength-to-weight ratio, providing both high strength and low weight. This makes it ideal for applications requiring load-bearing capacity without adding excessive weight.
  • Uniformity and Symmetry: The square shape of SHS offers uniform distribution of loads along all sides, ensuring high resistance to bending, torsion, and impact.
  • Versatility: SHS can be easily fabricated, welded, and cut to suit a wide range of applications. Its symmetric cross-section makes it a versatile choice for both structural and aesthetic purposes.
  • Aesthetic Appeal: The clean and sharp appearance of SHS makes it ideal for architectural applications, including modern buildings, furniture, and decorative designs.
  • Corrosion Resistance: SHS can be galvanized, coated, or treated to improve resistance to corrosion, making it suitable for outdoor and marine environments.

Technical Specifications of Square Hollow Sections (SHS)

ItemParameter
MaterialCarbon Steel, Structural Steel (Q235, Q345, S235, S355, etc.)
Thickness1.2 mm - 16 mm (Customizable)
Width20 mm - 300 mm (Customizable)
Height20 mm - 300 mm (Customizable)
Length6 m, 12 m, or Customizable
Tensile Strength≥ 400 MPa
Yield Strength≥ 250 MPa
Hardness130 - 160 HB
Surface TreatmentHot-Dip Galvanized, Coated, Painted, or Pickled
ApplicationsStructural Frames, Building Facades, Fencing, Furniture, Machinery

Advantages of Square Hollow Sections (SHS)

  • Balanced Strength: Due to its symmetrical shape, SHS provides uniform strength along all sides, ensuring it resists bending, torsion, and impact from multiple directions.
  • Efficient Material Usage: The hollow core of SHS reduces weight while maintaining strength, offering a cost-effective solution for structural applications.
  • Resistance to Bending and Torsion: The square geometry makes SHS highly resistant to bending and torsion, making it ideal for load-bearing applications that require stability and robustness.
  • Corrosion Resistance: SHS can be treated with various coatings, such as galvanization or painting, to prevent rust and corrosion, ensuring longevity in harsh environments.
  • Easy Fabrication and Assembly: SHS can be easily welded, cut, and joined, making it a flexible material for a variety of manufacturing and construction processes.
  • Aesthetic Design: The sharp, clean lines of SHS give it a modern and sleek appearance, making it ideal for architectural, decorative, and furniture applications.

Common Applications of Square Hollow Sections (SHS)

  • Structural Frames: SHS is widely used in the construction of structural frames for buildings, bridges, and other infrastructure, providing the strength needed for heavy load applications.
  • Building Facades: SHS is commonly used in architectural applications such as facades, curtain walls, and cladding, thanks to its clean, modern appearance and resistance to corrosion.
  • Fencing and Railings: The strength and stability of SHS make it ideal for fencing, railings, and gates, providing durability and security for both residential and industrial use.
  • Furniture: SHS is often used in modern furniture design, such as tables, chairs, and shelving units, due to its durability, strength, and aesthetic appeal.
  • Automotive and Industrial Applications: SHS is used in manufacturing frames for machines, vehicles, and heavy-duty equipment, where both strength and structural integrity are essential.
  • Agricultural Structures: SHS is also utilized in the construction of agricultural structures such as greenhouses, barns, and other large buildings, offering cost-effective and durable solutions.

Surface Treatments and Finishes for Square Hollow Sections (SHS)

  • Hot-Dip Galvanized: A zinc coating applied to SHS to protect against corrosion, making it suitable for outdoor and marine environments.
  • Powder Coated: A protective finish that provides excellent resistance to corrosion and environmental conditions while offering a wide range of colors.
  • Pickled and Passivated: A process that removes surface contaminants and enhances corrosion resistance, ensuring the material is clean and smooth.
  • Painted: SHS can be painted to provide an additional layer of protection and improve the aesthetic appeal for decorative applications.
  • Bare Steel: SHS can also be supplied without any surface treatment for specific industrial applications where further treatment is applied during fabrication.

Frequently Asked Questions (FAQ)

1. What is the difference between SHS and RHS (Rectangular Hollow Sections)?
SHS (Square Hollow Sections) have equal length sides, forming a square cross-section, while RHS (Rectangular Hollow Sections) have unequal sides, forming a rectangular cross-section. SHS is typically used for applications requiring a uniform shape, while RHS is chosen when one dimension (width or height) needs to be larger than the other.

2. Can SHS be welded?
Yes, SHS can be welded using conventional welding methods such as TIG, MIG, or arc welding. Its uniform cross-section makes it easy to join with other materials or structures.

3. Is SHS suitable for outdoor applications?
Yes, SHS can be galvanized or coated to provide protection against corrosion, making it ideal for outdoor and marine applications, as well as in harsh environmental conditions.

4. What industries use Square Hollow Sections?
SHS is used in a wide range of industries, including construction, infrastructure, furniture design, automotive, agriculture, and more. Its strength, durability, and aesthetic qualities make it ideal for both structural and decorative applications.

5. What is the standard length for SHS?
SHS is typically available in standard lengths of 6 meters and 12 meters, though custom lengths can be requested based on specific project requirements.


Square Hollow Sections (SHS) are a versatile and durable solution for a wide range of structural, industrial, and architectural applications. With their excellent strength-to-weight ratio, resistance to corrosion, and ability to withstand bending and torsion, SHS provides a reliable and cost-effective material choice for demanding projects. Whether you are constructing a building, designing furniture, or creating industrial equipment, SHS offers a balanced combination of strength, durability, and aesthetic appeal. For more information or to request a quote, please 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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