Corrosion Resistant Hot-Dip Galvanized Square Rectangular Steel Tubes for Structural Applications

Name: Corrosion Resistant HotDip Galvanized Square Rectangular Steel Tubes for Structural Applications
Brand: talat
Price: 1 USD

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Brand Name :	talat
Model Number :	Galvanized steel pipes
Certification :	manufacture certificate
Price :	negotiate
Payment Terms :	L/C,T/T,Western Union
Supply Ability :	10000tons
Delivery Time :	7-15days

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Product Details
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Corrosion Resistant Hot-Dip Galvanized Square Rectangular Steel Tubes for Structural Applications

Pre-Galvanized & Hot-Dip Galvanized Square Rectangular Steel Tubes for Fencing

Product Description

Galvanized Square Tubes and Rectangular Steel Tubes are corrosion-resistant hollow steel sections manufactured with a protective zinc coating. Compared with ordinary carbon steel tubes, galvanized tubing offers a longer service life and better weather resistance.
Available in various sizes and thicknesses, these steel tubes are widely used in building structures, fencing systems, solar mounting frames, agricultural facilities, and industrial fabrication projects.

Cause

Steel tubing used outdoors is constantly exposed to rain, moisture, and air pollution. Without proper protection, rust can develop quickly, leading to:

Corrosion and surface damage
Reduced structural strength
Higher maintenance costs
Shorter service life

For long-term outdoor applications, corrosion protection is essential.

Solution

Galvanized steel tubes are coated with a zinc layer that protects the steel from oxidation and environmental damage.

Benefits

Excellent corrosion resistance
Long-lasting durability
Low maintenance requirements
Suitable for indoor and outdoor use
Cost-effective structural material

The zinc coating acts as both a physical barrier and a sacrificial protective layer for the steel substrate

Product Specifications

Parameter	Details
Material	Q195, Q235B, Q355B (or equivalent)
Size range	20x20mm, 25x25mm, 30x30mm, 40x40mm, 50x50mm, 60x60mm, 80x80mm, 100x100mm, 150x150mm, 200x200mm
Wall thickness	1.0mm – 5.0mm (custom available)
Length	6m, 5.8m, or customized (max 12m)
Zinc coating thickness	45µm – 90µm (as per ASTM A123 / EN ISO 1461)
Standard	ASTM A500, EN 10219, GB/T 6728
Surface treatment	Hot dip galvanized, smooth and bright
Tolerance	According to international standard

Note: Custom sizes, thicknesses, and higher zinc coating can be produced upon request.

Common Square Tube Sizes

20*20 mm
25*25 mm
40*40 mm
50*50 mm
75*75 mm
100*100 mm
150*150 mm
200*200 mm
300*300 mm
400*400 mm

Common Rectangular Tube Sizes

20*40 mm
30*50 mm
40*80 mm
50*100 mm
80*120 mm
100*150 mm
200*100 mm
250*150 mm
400*200 mm
1000*800 mm

Packaging & Delivery

Packing (Bundles / Seaworthy Packaging)
Tagging
Weight Checking
Trucking / Shipment

How To Choose

Selecting the appropriate galvanized hollow section depends on engineering requirements and environmental conditions.

For Light Structural Applications

Recommended:

20*20 mm – 80*80 mm
Thickness 1.0–3.0 mm

Suitable for:

Furniture frames
Greenhouses
Lightweight structures

For Medium Structural Applications

Recommended:

100*100 mm – 200*200 mm
Thickness 3.0–8.0 mm

Suitable for:

Workshops
Warehouses
Commercial buildings

For Heavy-Duty Engineering

Recommended:

250*250 mm and above
Thickness 8.0–16 mm

Suitable for:

Industrial plants
Large steel structures
Infrastructure projects

Additional Selection Factors

Corrosion environment
Structural load requirements
Service life expectations
Fabrication methods
Budget considerations

FAQ

Q1: What is the difference between square tubes and rectangular tubes?

Square tubes have equal side lengths, while rectangular tubes have different width and height dimensions for specific structural requirements.

Q2: Can galvanized steel tubes be used outdoors?

Yes. Hot-dip galvanized tubes are specifically designed for outdoor applications and provide excellent corrosion protection.

Q3: Are custom sizes available?

Yes. Customized dimensions, lengths, thicknesses, and zinc coating weights can be supplied according to project requirements.

Q4: What industries use galvanized rectangular tubes?

Construction, solar energy, agriculture, transportation, infrastructure, and industrial manufacturing industries commonly use galvanized rectangular steel tubing.

Q5: How long does galvanized tubing last?

Depending on the environment and coating thickness, galvanized steel tubes can provide decades of reliable service with minimal maintenance.

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Corrosion Resistant Hot-Dip Galvanized Square Rectangular Steel Tubes for Structural Applications

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