2.4   A variety of welding technology 

Welding process technology is expected to accelerate the development of stainless steel pipe production, the application of a variety of welding methods will further improve the welding quality and productivity. At present, the industrial application of stainless steel welding are Tungsten Inert Gas (TIG), high frequency welding, plasma welding and laser welding and so on. Characteristics of several different welding methods are improving.