316L stainless steel tube seamless weled OD:6mm-750mm T:0.3-75mm Finish: POLISH,ACID,HL,200# polishing, 400 # polishing 316L stainless steel tubeStainless steel is ... , Germany, France, Turkey, USA, Canada, Taiwan, Korea, Vietnam, India , Pakistan, Iran, and so on.Steel pipematerialGB10#,20#,45#,20G.16Mn,27SiMn,15CrMoG ...