Pipe Fittings Manufacturing Process From Shengtian

　　There are various Pipe Fittings Manufacturing Process that used to manufactured pipe fitting elbow, pipe fitting tee, pipe fitting reducers and other pipe fittings.

　　Fittings are manufactured from Seamless Pipe and from Welded Pipe with filler material (ERW & EFW pipes cannot be used to manufactured fittings). large diameter pipe fittings are manufactured from Plate.

　　To manufactured wrought fitting various methods are used, these are the different type of Hot and cold forming process.

　　These methods are

　　Hot forming or Extrusion Method

　　Hydraulic Bulge method – cold forming

　　UO or Single weld seam method

　　Monaka or Double weld seam Method

　　Deep Drawing Method for caps

　　Flare Method for Stub ends

　　Elbows Manufacturing Process:

　　Mandrel method (Hot Forming)

　　One of the most common Pipe Fittings Manufacturing Process for manufacturing Elbows from the pipe is mandrel method which is kind of hot forming methods.

　　In this method, the pipe is cut in pieces and push with the help of hydraulic ram. Induction heating coil heats the pipe and, it is pushed over a die called "mandrel" which allows the pipe to expand and bend simultaneously.

　　This method can be used to manufacture a wide range of the diameter of elbows.