Hot dipped galvanized square, rectangular, and round hollow section steel pipes are manufactured according to ASTM and EN standards, providing superior corrosion resistance and long-lasting durability. Each pipe is coated with a uniform zinc layer through the hot-dip galvanization process, offering excellent protection against moisture and oxidation.

Made from premium-grade Q195–Q345 or ASTM A36 carbon steel, these pipes are lightweight yet strong, ideal for load-bearing structural applications. The galvanized surface not only enhances rust resistance but also provides a smooth, bright appearance suitable for visible construction or architectural use.

The product is available in various cross-sections, including square, rectangular, and round shapes, with outer diameters ranging from 20×20mm up to 300×300mm, and wall thicknesses from 0.8mm to 12mm. The pipes can be supplied in standard lengths of 6m or 12m, or cut to custom sizes on request.

Widely used in construction frameworks, scaffolding, greenhouse structures, and mechanical equipment, these galvanized steel pipes combine strength, cost efficiency, and easy weldability. With strict quality inspection for coating thickness, tensile strength, and dimensional accuracy, every piece meets or exceeds ASTM and GB standards.

Factory direct sales ensure stable inventory, fast delivery, and competitive pricing. The pipes are securely packed with waterproof film, end caps, and steel straps for safe export. This makes our hot dipped galvanized hollow section pipes the preferred choice for contractors and industrial manufacturers worldwide.