forged flange Size:1/2"-160" Material:Carbon steel: Q235B, A105,16Mn, 316L 20#; Stainless steel; Alloy steel ... ,Blind3. Size:1/2-78 inch (DN15-DN2000)4. Material:Carbon steel: A105,SS400,SF440 RST37.2,S235JRG2,P250GH,C22.85 ... time:Within 30days for 1000tons10.Supply Capacity: 10000tons per year High quality forged flange