seamless steel tube
Precision steel pipe
Tower crane square tube
Square tubes are used in buildings, machinery manufacturing, steel structures, shipbuilding, solar power generation support, steel structure engineering, power engineering, power plants, agricultural and chemical machinery, glass curtain walls, automobile chassis, airports, boiler buildings, highway railings, building structures, pressure vessels, oil storage tanks, bridges, power station equipment, Hoisting and transportation machinery and other welded structural members bearing high loads.
Square pipe is a hollow square light section thin-walled steel pipe, also known as steel refrigeration elbow. Harbin square pipe is a square section steel formed by high temperature bending and cold bending with Q235 hot-rolled or cold-rolled strip or coil as the base material. In addition to the wall thickness thickening of hot-rolled extra thick wall square pipe, the corner size and edge flatness reach or even exceed the level of resistance welded cold-formed square pipe. Good comprehensive mechanical properties, good weldability, cold and hot workability, corrosion resistance, and good low temperature toughness.