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Square & Rectangular Pipe

Rectangular and square steel tubes are hollow steel pipes with square or rectangular cross-sections, typically produced through hot rolling or cold bending and welding processes. Based on shape, they can be divided into square tubes (equal length and width, e.g., 50×50×3mm) and rectangular tubes (unequal length and width, e.g., 60×40×2.5mm). These pipes feature large moment of inertia, good bending and torsional resistance, and smooth surfaces that facilitate easy connection. They are widely used in building steel structures (columns, curtain wall frames), machinery manufacturing (equipment frames), decorative projects (guardrails, display racks), and transportation (vehicle frames). Square and rectangular tubes can function as independent load-bearing components or be welded into grid structures. Their sharp-edged appearance not only meets structural load requirements but also aligns with modern architectural aesthetics, making them essential materials in contemporary steel structure engineering and industrial manufacturing.

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