Galvanized square rectangular pipe is a term for square and rectangular pipes, which are steel pipes with equal side lengths. It is rolled from strip steel through process processing. Generally, the strip steel is unpacked, flattened, curled, and welded into circular tubes, which are then rolled into square tubes and cut to the required length. Usually 50 pieces per pack. Also known as square and rectangular cold-formed hollow steel, abbreviated as square tube and rectangular tube, with codes F and J respectively.
Square tubes are classified according to their uses - decorative square tubes, machine tool equipment square tubes, mechanical industry square tubes, chemical square tubes, steel structure square tubes, shipbuilding square tubes, automotive square tubes, steel beam column square tubes, and special purpose square tubes.
Mainly used for curtain walls, construction, machinery manufacturing, steel construction projects, shipbuilding, solar power brackets, steel structure engineering, power engineering, power plants, agricultural and chemical machinery, glass curtain walls, automotive chassis, airports, etc.