Square and rectangular steel tubes, collectively referred to as square-rectangular tubes, are hollow steel tubes made of steel with square and rectangular cross-sections respectively, featuring high strength, good durability and wide applicability, available in various sizes and thicknesses to suit different application scenarios, and can be welded, bent and processed to meet specific requirements; compared with round steel tubes, their square and rectangular structures provide higher strength and rigidity, making them suitable for scenarios with strict requirements on structural integrity, and they are widely used in construction, infrastructure and industrial fields, specifically including fence and railing manufacturing, construction and bridge support, furniture and decoration industries, as well as automobile and mechanical equipment manufacturing, etc.

      We supply both non-galvanized square tubes and rectangular tubes, as well as hot-dip galvanized products of these two types. Please specify your required type.

Square Tube’s Size: 20*20mm - 450*300mm(Thickness:1.2 -15.75mm，Length: 6m)

Rectangular Tube’s Size: 20*40mm - 500*300mm(Thickness:1.2 -15.75mm，Length: 6m)

Standards: GB/T 6728,GB/T3091-2015; EN10219; ASTM A500; JIS G3466; ISO65