Different types of Stainless steel socket weld fittings:

Using a Socket Weld, a pipe can be put into the recessed area of a Valve, fitting, or flanged and welded into place. Fillet-type seal welds are used to link pipe to Valves and fittings or to other sections of pipe. If the benefits of excellent leakage integrity and structural strength are essential to design concerns, socket-welded joints are a desirable option.