316L stainless steel tube seamless weled OD:6mm-750mm T:0.3-75mm Finish: ... POLISH,ACID,HL,200# polishing, 400 # polishing 316L stainless steel tube Stainless steel is a production which not easy rust,acid ... products to Spain, Germany, France, Turkey, USA, Canada, Taiwan, Korea, Vietnam, India , Pakistan, Iran, and so on. Steel pipematerialGB10#,20#,45 ...