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There are mainly three kinds of forming technology of seamless square tube: hot-rolled, cold-drawn and welded. For the cold drawn square tube, the ability of withstanding localized concentrated load is weak, the welding process produced pipe welds are the weak link, do not apply to the construction of high-end residential buildings.
Currently, the domestic general uses cold drawn or welded tube production. While the foreign mainly uses hot rolling process, fully able to meet the requirements of high-end buildings. The high-end hot-rolled seamless square tube construction is with good bearing properties, good weldability, low production costs and high production efficiency.
It is understood that the hot-rolled seamless square tube due to structural features of its own, effectively circumvent the connection between the column and beam welding defects and leading to performance degradation, can significantly improve the problem of low efficiency of the traditional low-rise concrete structure, large pollution, waste of resources and other issues; at the same time, the product is with such good performance as the uniform force, high dimensional accuracy, high strength and good impact resistance, can improve the seismic resistance of high-end architecture, will be widely used in steel high-rise buildings, airports and other construction, and has become the main support materials of the construction industry in the future, with great market prospects.
At present, this square seamless steel pipe has been put on the market and is widely used in high-rise buildings.
Seamless steel pipe can be divided into two types, one is seamless round tube, one is seamless square tube, seamless round tube is the most important use of the pipeline and machinery industry, such as oil pipelines and natural gas pipeline, also there are natural gas pipeline and so on; there is the machinery industry, the car is made of semi-axle is made of seamless steel, as well as bicycle steel frame, but also as a material for the production of the boiler. The seamless tube is mainly used for the construction industry.
Seamless steel pipe in the pipeline before the need to rust paint, and seamless square tube is made of first, galvanized, galvanized way is mainly divided into galvanized and hot galvanized in two ways, we usually see galvanized seamless square pipes are generally hot-dip galvanized because hot-dip galvanized seamless tubes are much stronger than galvanized seamless steel tubes because the main purpose of seamless square pipes is for construction steel structure, color steel room, etc., will inevitably be the erosion of wind and rain, a long time there may be rust off, rotten. So it is necessary to have a whole outside the protective film, but the paint looks too ugly, and could not help but exposure, so someone came up with a galvanized approach. Sure enough, galvanized seamless square tube has been a great welcome.
There are seamless square tube also as a motorcycle big frame, electric car’s main frame and so on. Also as a pipeline to send wires and so on. Seamless steel pipe style specifications are numerous, numerous, each have their own role in recent years, China’s oil pipeline industry and steel structure construction industry is very rapid, but also led to the development of seamless steel pipe, according to this The development of the next we will become the world’s largest production of seamless steel pipe in a country.
Benefits of Square Tubing
Uniformity
Besides its mechanical properties, square tubing contains uniform wall thickness and concentricity.
Strength
Cold forming allows square tubing to have a higher yield and tensile strength than the steel from which it is made. This makes the material able to withstand extreme temperatures, pressures, and destructive elements.
Cost-Effectiveness
Square tubing undergoes less processing than other types of mechanical tubing, so it can provide cost advantages for less-demanding applications.
Wide Range in Sizes
Square tubing is available in an exceptionally broad range of OD and wall thickness dimensions. This makes it suitable for various applications and needs.
Applications of square tubing
Square tubing is commonly used as a railing along staircases. However, it is also used in other, less obvious ways as well. From being used for fencing around yards to structures of buildings, as well as entry gates and entrances, a wide variety of applications are solved by steel square tubing.
Square tubing is commonly used for industrial purposes as it can provide numerous benefits. Industries value square tubing for its strength and ability to withstand extremes of temperature, pressure and destructive elements. While in domestic settings, square tubes are used in appliances, pipes, and fencing. Here are just a few of the many benefits and applications of square tubing.
Wide Range in Sizes
Square tubing is available in an exceptionally broad range of OD and wall thickness dimensions. This makes it suitable for various applications and needs.
