Now the selection of seamless tube manufacturing cold drawing tee pipe fittings generally selected by the process of hydraulic bulging and hot pressing forming two methods.Let's briefly introduce the hydraulic bulging process of cold drawing tee pipe fitting.

The hydraulic bulging of cold-drawn tee pipe fitting is a forming process which compensates the expansion of branch pipe through the axial direction of metal material.Is choose special hydraulic press, the process will be equal and tee pipe diameter of tube billet inside the injection liquid, through the two horizontal side of the hydraulic cylinder synchronization of motion kneading tube billet, billet by kneading after smaller volume, smaller volume of liquid with the tube billet inside the tube billet and pressure, when they arrive in cold drawn tee pipe fittings pipe bulging out the demand pressure, metal material in the side of the cylinder and the double effect of fluid pressure in the tube billet along the mold cavity activities within and out of the branch pipe.

The hydraulic bulging process of cold-drawn tee pipe fitting can be formed in one time, and the output power is high.The wall thickness of the cold drawing tee pipe fitting and the shoulder have been added.Due to the large tonnage of equipment required for the hydraulic bulging process of no cold-drawn tee pipe fittings, it is mainly used for the manufacture of standard wall thickness four-way pipe fittings less than DN400 in China.The suitable forming materials are low carbon steel, low alloy steel and stainless steel with relatively low hardening tendency, including some non-ferrous metal materials, such as copper, aluminum and titanium.

WH-STEEL has been focusing on pipe fittings for 20 years, mainly engaged in elbow, reducing pipe, tee, tee, cap, steel pipe, flange and other products.Our business covers more than 30 countries around the world, and we have become the loyal partners of sinopec, the national oil and gas corporation of uzbekistan, LUKOIL of Russia, hyundai of Korea, petronas of Malaysia, BP of the United Kingdom and hundreds of other companies.