Seamless square tube technical knowledge




Shandong Jinan New Era Shaped Pipe Co., Ltd. specializes in producing seamless square tube and rectangular tube, including Q345 seamless square tube, 20# seamless square tube, stainless steel seamless square tube, low alloy seamless square tube, Extra large diameter seamless square tube, extra large wall thickness square tube, these products of our company are applied to various products of domestic and foreign enterprises, and are highly praised by customers.

Shandong Jinan New Era Shaped Pipe Co., Ltd. professional engineers summarized the technical knowledge of some seamless square tube according to the usual work experience, and shared it with each enterprise. If you have any technical problems and other problems, please consult our technical department.

The seamless rectangular tube is a long strip of steel having no seam around the hollow section. Steel pipes have a hollow section and are used in large quantities as pipes for transporting fluids, such as pipes for transporting oil, natural gas, gas, water and certain solid materials. Compared with solid steel such as round steel, the steel pipe is lighter in weight when it has the same bending and torsional strength. It is an economical section steel and is widely used in the manufacture of structural parts and mechanical parts, such as oil drill pipes, automobile transmission shafts, bicycles. Shelf and steel scaffolding used in construction. The use of steel pipes to manufacture ring-shaped parts can improve the material utilization rate, simplify the manufacturing process, save materials and processing man-hours, such as rolling bearing rings, jack sleeves, etc., and have been widely used in steel pipes. Steel pipes are also indispensable materials for various conventional weapons, and barrels, barrels, etc. are all made of steel pipes. Steel pipes can be divided into round pipes and shaped pipes according to the shape of the cross-sectional area. Since the area of ​​the circle is the largest under the condition of equal circumference, more fluid can be transported by the circular tube. In addition, the circular section is subjected to a relatively uniform force when subjected to internal or external radial pressure, and therefore, most of the steel pipes are round pipes. However, the round pipe also has certain limitations. For example, under the condition of being bent by the plane, the round pipe is not as strong as the square and rectangular pipe, and some agricultural machinery skeletons, steel wood furniture, etc. are commonly used for square and rectangular pipes.

Seamless square tube performance analysis

1. Performance index analysis of square tube - plasticity

Plasticity refers to the ability of a metal material to undergo plastic deformation (permanent deformation) without damage under load.

2. Performance index analysis of square tube - hardness

Hardness is a measure of the hardness of a metal material. At present, the most commonly used method for measuring hardness in production is the indentation hardness method, which presses the surface of the metal material to be tested under a certain load with a certain geometry of the indenter, and determines the hardness value according to the degree of being pressed.

Commonly used methods are Brinell hardness (HB), Rockwell hardness (HRA, HRB, HRC) and Vickers hardness (HV).

If you have any questions about seamless square tube and rectangular tube, please call our company, our service team will be happy to help you.

Keywords: seamless square tube, seamless square tube, seamless rectangular tube, Shandong seamless square tube manufacturer, seamless square tube manufacturer.

Shandong Jinan New Era square tube and rectangular tube



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