316L stainless steel tube seamless weled OD:6mm-750mm T:0 ... ,200# polishing, 400 # polishing 316L stainless steel tube Stainless steel is a production which not easy rust, ... steel seamless pipes,stainless steel bar and stainless steel sheet. The material have 201,202,301, 309 309S ... production:The details of my companyThe stainless steel sheet/coil/stripstandardASTM,GBmaterial201,202,301,304,316,316L, ...