... :GBI9001 2008 3.W.T:SCH10S-SCH80S 4.O.D:3/8"-8" Stainless Steel pipes1.Standard:GB,JIS,DIN,ASTM A312,ASTMA269 ... ,ASTM268/268M2.Certification:ISO90013.Material:304,304L,316,316L4.O.D:3 ... ",18"5.W.T:SCH5S,SCH10S,SCH40S,SCH80S Description304 welded stainless steel pipe O.D3/8"-8"W.T SCH10s-SCH80slength 5-5 ...