Asme B16.9 8 Inch Sch 40s 90 Degree Elbow Lr A403 Gr Wp304

ASME B16.9 8 Inch SCH 40s LR 90 Degree Pipe Elbow Fittings A403 GR WP304 ce elbow

In the pipeline system, the elbow is a pipe fitting that changes the direction of the pipeline. 45 and 90 by angle Three of the most commonly used, in addition to engineering needs including 60 other abnormal angle elbow. The elbow materials are cast iron, stainless steel, alloy steel, malleable cast iron, carbon steel, non-ferrous metals and plastics.

The way to connect with the pipe is:

direct welding (the most commonly used way) flange connection, hot melt connection, fused connection, thread connection and socket connection. According to the production process can be divided into: welding elbow, stamping elbow, push elbow, casting elbow, butt welding bend, etc. Other name :90 degree bend, right angle bend, etc.

Process flow
Seamless elbow: elbow is a pipe fitting used at the bend of a pipe. The largest proportion of all pipe fittings used in the pipeline system is about 80. Usually, different forming processes are selected for bends with different materials or wall thickness. The seamless elbow forming process used by the manufacturer is hot push, stamping, extrusion and so on.

Medium plate welding
Use a medium plate to make half of the elbow section with a press, and then weld the two sections together. A process such as this is generally used as a bend above the DN700.

Other forming methods
In addition to the above three commonly used forming processes, seamless elbow forming also adopts the forming process of extruding the tube billet into the outer die and then passing through the ball shaping in the tube billet. However, this process is relatively complex and difficult to operate, and the forming quality is not as good as the previous process, so it is less used

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Asme B16.9 8 Inch Sch 40s 90 Degree Elbow Lr A403 Gr Wp304 Images