Galvanized Square Hollow Sections / Galvanized Square tube
Galvanized Square Hollow Sections are a variation of square hollow sections (SHS) that are coated with a layer of zinc through the galvanizing process. This coating provides superior corrosion resistance, making them ideal for use in outdoor environments, marine applications, and other harsh conditions where rust and wear are a concern. Galvanized square hollow sections combine the inherent strength and stability of square hollow sections with the added durability of a protective zinc coating, making them an excellent choice for a wide range of structural, architectural, and industrial applications.
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Product Description

Galvanized Square Hollow Sections

Galvanized Square Hollow Sections are a variation of square hollow sections (SHS) that are coated with a layer of zinc through the galvanizing process. This coating provides superior corrosion resistance, making them ideal for use in outdoor environments, marine applications, and other harsh conditions where rust and wear are a concern. Galvanized square hollow sections combine the inherent strength and stability of square hollow sections with the added durability of a protective zinc coating, making them an excellent choice for a wide range of structural, architectural, and industrial applications.

Key Features of Galvanized Square Hollow Sections

  • Corrosion Resistance: The galvanizing process adds a layer of zinc to the steel, which acts as a protective barrier against rust, corrosion, and environmental factors. This makes them suitable for outdoor and marine applications.
  • High Strength-to-Weight Ratio: Galvanized square hollow sections offer an excellent balance of strength and weight, providing strong structural support while minimizing the overall material weight.
  • Aesthetic Appeal: The clean, modern look of the square shape and the shiny galvanized surface enhances the visual appeal of structures, making them ideal for both industrial and architectural applications.
  • Durability: The galvanization process ensures that the sections can withstand wear and tear, even in aggressive environments, extending the lifespan of the material.
  • Versatility: Galvanized square hollow sections are versatile and can be used in a variety of applications, including construction, fencing, furniture, and more. They are easily welded, cut, and fabricated to meet specific requirements.

Technical Specifications of Galvanized Square Hollow Sections

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
Coating Thickness40 µm - 100 µm (Customizable)
ApplicationsStructural Frames, Building Facades, Fencing, Furniture, Machinery

Advantages of Galvanized Square Hollow Sections

  • Superior Corrosion Resistance: The galvanized coating protects the steel from rust and corrosion, making them ideal for use in outdoor, marine, or industrial environments where exposure to moisture and chemicals is common.
  • Increased Durability: The zinc coating extends the lifespan of the steel by providing an additional layer of protection against physical damage, moisture, and environmental wear.
  • Cost-Effective: The combination of strength, durability, and corrosion resistance means galvanized square hollow sections reduce maintenance costs over time, offering a long-lasting and cost-efficient solution.
  • Versatile Applications: These sections can be used in a wide range of structural and non-structural applications, including construction, infrastructure, fencing, furniture, and machinery.
  • Enhanced Aesthetics: The shiny, smooth finish of galvanized square hollow sections gives structures a modern and appealing look, making them suitable for both functional and decorative purposes.
  • Low Maintenance: The galvanized coating reduces the need for frequent maintenance or replacement, as it offers lasting protection against environmental factors.

Common Applications of Galvanized Square Hollow Sections

  • Structural Frames: Galvanized square hollow sections are commonly used in building frameworks, bridges, and industrial structures. The galvanized coating provides additional protection against the elements, ensuring the longevity and stability of these applications.
  • Fencing and Railings: Galvanized square hollow sections are used in creating robust fences, gates, and railings, offering long-term durability even in challenging weather conditions.
  • Building Facades: Due to their sleek appearance and durability, galvanized square hollow sections are also used for building facades, curtain walls, and architectural elements, adding aesthetic appeal and strength to the structure.
  • Furniture: Galvanized square hollow sections are used in manufacturing modern, industrial-style furniture, such as tables, chairs, and shelves, offering both visual appeal and structural integrity.
  • Agricultural and Industrial Equipment: Used in agricultural structures, machinery, and industrial equipment frames, galvanized square hollow sections are highly effective in both indoor and outdoor applications that require corrosion resistance and strength.

Surface Treatment and Coating Options

  • Hot-Dip Galvanized: The most common and effective form of galvanization, where the square hollow section is dipped into molten zinc to form a corrosion-resistant coating. The coating thickness can be customized according to requirements.
  • Powder Coating: In addition to galvanization, powder coating provides a smooth, durable finish that enhances corrosion resistance and allows for a variety of colors.
  • Pickling and Passivation: A process that removes impurities and enhances the steel’s surface finish before galvanizing, ensuring better adhesion and a cleaner surface.
  • Painted: Galvanized square hollow sections can also be painted to provide an extra layer of protection against corrosion and to improve the appearance of the steel.

Frequently Asked Questions (FAQ)

1. What is the advantage of choosing Galvanized Square Hollow Sections over non-galvanized ones?
The primary advantage of galvanized square hollow sections is their enhanced corrosion resistance. The zinc coating protects the steel from rust and corrosion, making them ideal for outdoor and marine applications, extending their lifespan and reducing maintenance costs.

2. Can Galvanized Square Hollow Sections be welded?
Yes, galvanized square hollow sections can be welded. However, welding galvanized steel requires special techniques to prevent the zinc coating from burning off during the process. It’s recommended to use proper ventilation and welding methods for galvanized steel.

3. What is the typical coating thickness for Galvanized Square Hollow Sections?
The coating thickness for galvanized square hollow sections typically ranges from 40 µm to 100 µm, depending on the specific application and environmental exposure. Custom coating thicknesses can also be provided.

4. Are Galvanized Square Hollow Sections suitable for outdoor use?
Yes, galvanized square hollow sections are ideal for outdoor use due to their corrosion-resistant properties. The zinc coating protects the steel from the elements, making them suitable for a variety of outdoor applications, including fencing, structural frames, and agricultural buildings.

5. What industries use Galvanized Square Hollow Sections?
Galvanized square hollow sections are used in numerous industries, including construction, infrastructure, agriculture, furniture manufacturing, and transportation. Their combination of strength, durability, and corrosion resistance makes them a versatile material for both structural and decorative applications.


Galvanized Square Hollow Sections offer an optimal solution for applications requiring both strength and corrosion resistance. With the added benefit of a protective zinc coating, these sections can withstand challenging environmental conditions while maintaining their structural integrity and aesthetic appeal. Whether used in construction, fencing, furniture, or industrial applications, galvanized square hollow sections provide long-term durability, cost-efficiency, and versatility. For more information or to request a quote, please contact us.



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