Product Details

Galvanized Square Tube


Product Introduction

Galvanized Steel Square Tube
Galvanized Steel Square Tube is a galvanized hollow steel tube with a protective zinc coating, effectively preventing oxidation and corrosion, thus extending its service life and enhancing weather resistance.
It features high strength, structural stability, and a bright appearance, widely used in building structures, machinery equipment, transportation facilities, and furniture design.


➤ Specifications
▪️ Dimensions: 10×10mm ~ 400×400mm
▪️ Thickness: 1.0mm ~ 16.0mm
▪️ Length: Standard 6M, can be cut to required length
💡 Click to view the complete Galvanized Square Tube Specification Table
Specification (mm × mm) Available Thickness (mm)
12.7×12.7 1.0, 1.5
16×16 1.5
19×19 1.2, 1.5
20×20 1.5, 1.8, 2.0
25×25 1.5, 1.8, 2.0, 2.3
30×30 1.5, 1.6, 1.8, 2.0, 2.3, 2.8, 3.0
38×38 1.2, 1.5, 1.8, 2.0, 2.3, 2.8, 3.0
40×40 1.5, 1.8, 2.0, 2.3, 2.8, 3.0
50×50 1.5, 1.8, 2.0, 2.3, 2.8, 3.0, 3.2, 4.0, 4.5, 6.0
60×60 1.8, 2.0, 2.3, 2.8, 3.0, 3.2, 4.0, 4.5, 6.0
70×70 (Fabricated Tube) 1.8, 2.0, 2.3, 3.0
75×75 (Fabricated Tube) 1.8, 2.0, 2.3, 3.0, 3.2, 4.0, 4.5, 6.0
80×80 2.0, 2.3, 2.8, 3.0, 3.2, 4.0, 4.5, 6.0
90×90 (Fabricated Tube) 2.3, 2.8, 3.0, 3.2, 4.0
100×100 1.8, 2.0, 2.3, 2.8, 3.0, 3.2, 4.0, 4.5, 6.0, 9.0, 12.0
125×125 3.2, 4.0, 6.0
150×150 3.2, 4.0, 4.5, 6.0
200×200 4.0, 4.5, 6.0, 9.0
250×250 9.0
➤ Product Features
▪️ Excellent Rust & Corrosion Resistance: Zinc layer protects against rain, moisture, and pollutants; ideal for outdoor use.
▪️ High Structural Strength: Good load-bearing capacity, maintaining long-term stability.
▪️ Bright Appearance, Easy to Process: Smooth galvanized surface, suitable for welding, splicing, or re-coating.
▪️ Long Service Life: Corrosion protection extends the steel's lifespan and reduces maintenance costs.


➤ Applications
▪️ Building Structures: Fencing, stair handrails, roof structures, building frames
▪️ Machinery Manufacturing: Structural supports, machine frames, industrial equipment skeletons
▪️ Furniture Design: Table and chair frames, display racks, shelving, decorative structures
▪️ Transportation Facilities: Guardrails, light poles, parking structures
▪️ Advertising Structures: Signboard frames, support frames (balances strength and rust prevention)


📞 Contact Us
If you have any needs for Galvanized Square Tube, feel free to contact Guokai Steel!
📧 Email: sales@guokaisteel.com.tw
📩 Official Line Account: @guokai
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