Introduction to Square Tube:

A square tube is a type of hollow structural shape characterized by its square cross-section，so it is also called square hollow section.  It is typically manufactured from steel and is formed by cold or hot rolling a flat strip of steel into a square shape with straight sides and right-angle corners. Square tubes are widely used in construction, fabrication, and manufacturing industries for their versatility, strength, and ease of fabrication.

Grades : Q 235,Q355,S235,S235JR, SS400, A36,A572 etc.

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