Stainless steel pipe common grades: 201、202、301、302、303、304、304L、309、309S、310、310S、314、316、316L、317、321、330、347、348、408、409、409L、410、416、420、430、2205、2304、2507、904L、17-4PH、17-7PH、15-5PH、630 etc. Stainless steel pipe application: Building water supply and drainage system: Used as water supply pipes, drainage pipes, hot water pipes, etc. Petrochemical industry: Pipes for transporting media such as petroleum, natural gas, and chemical raw materials. Mechanical manufacturing industry: Hydraulic pipes and pneumatic pipes in mechanical structures, etc. Furniture industry: Frames of furniture, table and chair legs, clothes drying racks, etc.