1.Item:Pipe fitting stainless steel flange 2.Size:1/2"-100",SCH5-160 3.Grade:310S,309S,316,316L321,304,304L,317 ... ,309S,316,316L,316Ti,317,317L,321,321H,347,347H,304,304L,302,301,201,202,405,410,420,430,904L ... information:3.Photoes:4.Package:5.Certificates:6.Cooperation: Pipe fitting stainless steel flange supplier