The most reliable elbow

Steel elbow is used to be installed between two pipe or tube allowing to change of direction,usually they are distinguished by connection ends, The ends may be machined for butt welding , threaded , or socketed , so elbows are consist of butt weld,thread elbow.socket elbow and other series.the material is selected accoding to the application use such as high temperature use,sanitary fitting,regular industrial use etc