Stainless steel welded pipe is a type of seamless steel pipe made by curling stainless steel plates or strips into shape through a specific process, and then firmly connecting their joints using welding techniques such as automatic welding or manual welding. This type of steel pipe not only inherits many advantages of stainless steel materials, such as excellent corrosion resistance, high strength, good high temperature resistance, and stable mechanical properties, but also has a relatively simple manufacturing process, high production efficiency, diverse varieties and specifications, which can meet the needs of different fields and occasions.