Square and Rectangular Tube at Factory Price for Your Projects

Hot dip Galvanized Square and Rectangular Steel Tube is a highly durable and widely used high-strength hollow steel section in industrial and construction engineering. Shixinda Factory manufactures it by using high-quality hot-rolled steel strips, which are then precisely cold-formed and closed-welded to form the shape. Finally, a professional galvanizing process is applied to complete the overall surface protection treatment. The finished pipe has a regular cross-section, uniform wall thickness, and a dense structure. It combines mechanical strength and outdoor weather resistance, making it a core universal section for modern steel structure projects to replace traditional ordinary black steel and special-shaped steel.

Shixinda manufacturer has been deeply engaged in the field of Hot Dip Galvanized Square Steel Tube. The quality of our products is firmly established from the very beginning of the manufacturing process. Unlike simple surface treatment, we adopt a mature hot-dip galvanizing process. We subject the high-quality square steel tubes that have been precisely straightened and welded with high-frequency technology to immersion in a liquid zinc solution at around 500℃. This allows the zinc solution to undergo a thorough metallurgical reaction with the steel tube substrate, forming a dense and robust zinc-iron alloy layer.