Stainless steel pipe(SS Pipe) is a type of hollow, round, square, or rectangular steel pipe that is widely used in industrial transportation pipelines and mechanical structural components such as petroleum, chemical, medical, food, light industry, and mechanical instruments. In addition, when the bending and torsional strength are the same, the weight is light, so it is also widely used to manufacture Machine element and building engineering structures. It is also commonly used as furniture, kitchenware, Household goods, etc.