Carbon Steel Flange 1.Size:DN15-2000 2.Material:A105, ... 12820-80,SABS1123,EN1092-1,UNI. Carbon Steel Flange,high quality carbon steel flange,professional supplier of carbon steel flange1.flange Size:DN15-2000 2 ... Size:1/2-78 inch (DN15-DN2000)4. Material:Carbon steel: A105,SS400,SF440 RST37.2,S235JRG2,P250GH,C22.8 Stainless ... 30days for 1000tons10.Supply Capacity: 20000tons per year Carbon Steel Flange