Corrosion Resistance High Strength Mild Steel Galvanized Square Tube for Construction, Building Frames, Fencing & Industrial Use
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Production description
Product Name |
Galvanized Rectangular Steel Pipe |
Shape |
square, rectangle |
Size |
square:15 - 200mm, rectangle wide: 20 - 100mm, rectangle long: 30 - 200mm |
Thickness |
0.6 - 6mm, or customer's requirement |
Length |
6m or According To Customer's Demands |
Grade |
Q195, Q235B, Q355B |
Standard |
ASTM, DIN, JIS, BS, GB/T, EN |
Galvanized layer thickness |
Pre galvanized steel pipe: 10 - 40g/m² |
Hot dip galvanized steel pipe: 200 - 600g/m² |
Our galvanized square and rectangular steel tubes come in diverse sizes to fit varied needs. Common square tube sizes range from 1/2"x 1/2" to 6"x 6", while rectangular options include 1"x 2" up to 4"x 8", with wall thicknesses from 0.065"to 0.25".
Small sizes (1/2"–1" square/1"x2" rectangular): Ideal for fencing, handrails, and lightweight furniture frames, offering corrosion resistance for outdoor use.
Medium sizes (1.25"–2" square/1.5"x3" rectangular): Perfect for building frames, shelving units, and agricultural equipment like greenhouse supports.
Large sizes (2.5"–6" square/2"x4"–4"x8" rectangular): Suited for heavy-duty structural projects, industrial racks, and construction beams, delivering high strength for load-bearing tasks.


Production Application

Footwear abrasion solutions
Galvanized square pipes have a wide range of applications, from load-bearing brackets in building structures to core components in mechanical manufacturing, from precision parts in the automotive industry to transmission pipelines in power engineering, and even to support frames in agricultural facilities. With their stable and reliable performance and aesthetic practicality, galvanized rectangular steel pipes provide solid structural support and long-lasting durable solutions for various industries.
1. Construction Field: Used as building structure frames, scaffolding, balcony guardrails, stair handrails, and materials for lightweight building structures, etc.
2. Mechanical Manufacturing Field: Applied to manufacture mechanical parts, components of conveying equipment, frames of agricultural machinery, etc.
3. Automotive Industry Field: Used to construct automobile chassis, seat frames, and some parts of the vehicle body frame and doors, etc.
4. Power Engineering Field: Serve as supports for power equipment and cable trays, and are used in the supporting structures of new energy power generation equipment.
5. Agricultural Field: Used to build frames of agricultural greenhouses, supports and pipelines of irrigation systems, fences for livestock and poultry farming, and supporting structures of livestock and poultry houses.
6. Home Decoration Field: Used to make furniture frames, indoor partitions and screens, and outdoor furniture.
7. Municipal Engineering Field: Used as road guardrails, pipelines and supports of drainage systems, and lamp posts and lamp frames in urban lighting projects.










