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Manufacturing process of stainless steel tee
Sep 12, 2018

Stainless steel tees can withstand large pressures and are therefore widely used in many industrial applications. A stainless steel tee is a type of pipe used at the branch of a pipe. For the production of tees using seamless pipes, the processes currently used are hydraulic bulging and hot forming.

 

In the processing of stainless steel tees, the forming process used therein is usually hydraulic bulging, that is, a forming process in which the branch pipe is expanded by axial compensation of the metal material. The process is to use a special hydraulic machine to inject liquid into the tube blank equal to the diameter of the three-way, and to simultaneously press the two horizontal side cylinders of the hydraulic machine to press the tube blank, and the volume of the tube blank becomes smaller after being squeezed, and the tube blank is compressed. The liquid becomes smaller as the volume of the tube blank becomes smaller, and when the pressure required for the expansion of the stainless steel three-way branch pipe is reached, the metal material flows along the cavity of the mold and swells out of the branch pipe under the double action of the liquid pressure in the side cylinder and the tube blank. .

 

Under normal circumstances, the stainless steel tee can be formed at one time by using this process during processing, and the production efficiency is high. Due to the large tonnage of the equipment required for the hydraulic bulging process of the stainless steel tee, it is mainly used in the manufacture of standard wall thickness stainless steel tees smaller than DN400. The suitable forming materials are low carbon steel, low alloy steel, stainless steel, etc., which have a relatively low cold work hardening tendency.http://www.zdsheetmetalfab.com/


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