... 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", ... 0.035≤0.0302.0-3.0≤1.0 - - Usage 1. Low and middle pressure fluid transportation ...