inox stainless steel tube Largest Manufacturer Bird's Nest--building materials supplier Standard: ASTM,AISI,DIN,JIS,GB stainless steel tube/pipe/fitting1.Standard:GB,JIS,DIN,ASTM A312,ASTMA269,ASTM268/268M2.Certification:ISO90013.Material:201, 304,304L,316,316L4.O.D:3/8",1/2",3/4",1",1 1/4",1 1/2",2",2 1/2",3",3 1/2",4",5",6",8",10",12",14",16",18"5.W.T:SCH5S,SCH10S,SCH40S,SCH80S ...