... 3.Standard:ANSI,ASTM,MSS,JIS,DIN,EN Carbon steel forged ASTM A105 Blind flange We started to ... so on. We can provide forged carbon flanges, including slip-on flange, plate flange, and blind flange, etc. ... Size1/2-78 inch (DN15-DN2000)4. MaterialCarbon Steel Material: A105,SS400,SF440 RST37.2,S235JRG2,P250GH,C22 ... quantity11.Supply Capacity700 tons per month Carbon steel forged ASTM A105 Blind flange