Square Steel Tube

· Excellent structural strength and stable load-bearing performance

· High dimensional accuracy, smooth surface, uniform wall thickness

· Easy to weld, cut, drill and install

· Good corrosion resistance (galvanized / black / painted available)

· Long service life, low maintenance cost

· Widely used in construction, steel structures, machinery, furniture, scaffolding, etc.


Product Details

1. Product Overview

Square and rectangular steel pipes, also known as box section hollow profiles, are high-strength structural steel materials manufactured through cold forming and high-frequency welding processes. Our factory supplies welded and seamless square & rectangular pipes in carbon steel and stainless steel materials, covering standard and customized specifications. Featuring uniform wall thickness, smooth surface, precise dimensional tolerance and excellent structural stability, all products comply with international manufacturing standards. With high tensile strength, outstanding corrosion resistance and cost-effectiveness, our steel pipes are widely applied in global construction, mechanical manufacturing, transportation and other industries, serving as premium structural load-bearing steel materials for international markets.

All products undergo strict full-process quality inspection from raw material procurement to finished product delivery. With stable performance, the service life can reach 10-15 years under standard working conditions, fully meeting the requirements of high-standard engineering and commercial scenarios worldwide.

2. Product Specificatio

We support mass production of standard specifications and provide all-round customization of size, material, surface treatment and fixed length according to customers’ personalized requirements.

Item

Detailed Parameters

Material Grade

Carbon Steel: Q195, Q215, Q235, Q345; Stainless Steel: 201, 304, 316L, 310S, 321, 2205, 2507, 904L

Product Type

Welded Square/Rectangular Pipe, Seamless Square/Rectangular Pipe

Size Range

Side Length: 10mm - 1020mm; Wall Thickness: 0.6mm - 50mm (custom non-standard sizes available)

Surface Treatment

Black Pipe (Pickled & Oiled), Hot-Dip Galvanized, Pre-Galvanized, Painted, Powder Coated

Execution Standard

GB/T 3091-2008, BS 1387, ASTM-A53, EU Standards

Product Length

6m, 12m fixed length / Custom arbitrary length available

Dimensional Tolerance

Strictly compliant with international tolerance standards, flat & smooth pipe ends, no burrs and no deformation

MOQ

1 Ton (Small trial orders are acceptable)

 


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