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GI Rectangular Pipe Manufacturer for Custom Sizes

Material Q195,Q235,Q345,SS400,S235JR,etc.
Size (W × H) 10×20mm – 400×600mm
Wall Thickness 0.6mm – 4.5mm
Length 3m,5.8m,6m,11.8m,12m / Custom
Standard ASTM A500,EN 10219,JIS G3466,GB/T 6728
Surface Treatment Pre-Galvanized
Zinc Coating 40–150g/m² / Custom coating available
Customization Custom Sizes,Thicknesses & Lengths Available

Selina@skysteel.net Chat on WhatsApp Get Latest Price

product details

Product Introduction

Engineered to ASTM A500 and EN 10219 standards, our GI rectangular tubing provides reliable structural strength and long-lasting corrosion protection. We support custom specifications, including wall thickness, length, and zinc coating weight from Z40 to Z275+, tailored to your project requirements. Explore available sizes and specifications below.

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Parameter	Specification
Product Name	GI Rectangular Pipe / Galvanized Rectangular Steel Pipe
Material	Q195, Q235, Q355, S235JR, S275JR, S355JR, ASTM A500, etc.
Size	10 × 20 mm – 400 × 600 mm
Wall Thickness	0.5 – 20 mm
Length	1 – 12 m, or customized
Zinc Coating	30 – 600 g/m²
Surface	Hot-Dip Galvanized / Pre-Galvanized
Standard	ASTM A500, ASTM A53, EN 10219, EN 10210, JIS G3466, GB/T 6728
Technique	ERW / Cold Formed / Hot-Dip Galvanized
Section Shape	Rectangular
Tolerance	According to applicable standards or customer requirements
Processing Service	Cutting, Welding, Punching, Bending
Application	Construction, Steel Structures, Machinery, Fencing, Furniture, Greenhouses, Solar Mounting Systems
MOQ	According to order requirements
Packing	Standard seaworthy export packing / Steel bundles
Customization	OEM & ODM Available

Choose the Right Galvanized Rectangular Tube

Pre-Galvanized Rectangular Tube

✓ Electro-galvanized / Pre-galvanized

✓ Smooth and bright surface

✓ Zinc coating: 40–120 g/m²

✓ Indoor and light corrosion environment

✓ Cost-effective

Hot-Dip Galvanized Rectangular Tube

✓ Thicker zinc coating

✓ Excellent corrosion resistance

✓ Zinc coating: 180–600 g/m²

✓ Outdoor and harsh environment

✓ Long service life

Why Buy GI Rectangular Pipe From Us?

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Consistent Quality

Strict control of size, thickness and zinc coating.

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Factory Direct Supply

Stable supply capacity and competitive factory pricing.

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Custom Processing

Cutting, drilling and custom lengths available.

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Export Packing

Strong bundle packing for safe transportation.

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Fast Response

Quick quotation and professional sales support.

GI Rectangular Pipe Applications

Widely used in construction, fencing, industrial equipment and solar mounting systems.

Steel Structures

Fencing & Railing

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Equipment & Machinery Frames

Solar Structures

Professional GI Rectangular Pipe Manufacturing & Supply

With reliable production capabilities, strict quality control and stable stock, we supply high-quality galvanized rectangular pipes to customers worldwide.

● Strict quality control

● Large stock for regular sizes

● Custom sizes available

● Flexible order quantity

Get Factory Price →

Quality & Delivery Assurance

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Quality Inspection

✓ Dimension & Wall Thickness Inspection

✓ Zinc Coating Thickness Test

✓ Surface Quality Inspection

✓ Mill Test Certificate Available

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Packing & Delivery

✓ Steel Strip Bundling

✓ Waterproof Packing

✓ Container Loading

✓ Worldwide Shipping (FOB / CIF / CFR)

Frequently Asked Questions

What sizes of GI rectangular pipe do you supply?

We supply a wide range of rectangular steel tube sizes and can also produce custom dimensions.

Can you produce custom sizes and lengths?

Yes. Custom size, wall thickness and length are available.

What is the difference between hot-dip and pre-galvanized?

Hot-dip galvanized pipe normally has a thicker zinc coating and stronger corrosion resistance.

How long is the delivery time?

Delivery time depends on size, quantity and production schedule.