Hot rolled Q235B square steel pipe structure with cold-formed square tube specifications available in stock

Description :

This square tube is a commonly used basic steel in building structures and mechanical manufacturing. High quality carbon structural steel or low-alloy high-strength structural steel is hot-rolled or cold-formed, with a square cross-section. Smooth surface, uniform weld seam (if welding square tube), high dimensional accuracy. The main materials include Q235B, Q345B, etc., which have good plasticity, toughness, and welding performance, making them easy for subsequent processing and installation.

Widely used in construction site steel structure frames, curtain wall supports, mechanical equipment bases, vehicle manufacturing, container production, and agricultural greenhouse construction. Depending on the usage environment, black material (un galvanized) or galvanized versions can be provided, and the galvanized layer can effectively improve corrosion resistance and extend service life.

When purchasing, attention should be paid to confirming the wall thickness, side length dimensions, and length tolerances. The conventional fixed length is 6 meters or 12 meters, and non-standard lengths can also be customized according to project requirements. Adequate inventory, covering sizes from 20 * 20mm to large sections, meeting different load-bearing and structural design requirements. Strict quality inspection shall be carried out before shipment to ensure that there are no cracks or severe rust, and that it meets the requirements of national standards GB/T 6725 or GB/T 3094. Suitable for bulk procurement by various engineering contractors, processing plants, and traders.

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