... steel size:1/2"-24" Standard:ANSI,DIN,EN1092-1 Process:free forging,plate din flange Material:carbon steel,stainless steel size ... :1/2"-24" Standard:ANSI,DIN,EN1092-1 Process:free forging,plateDIN Flange1Socket Welding Flange,Weld ... Flanges;flange3Standard: ANSI Flange, MSS Flange, API Flange, AWWA Flange, DIN Flange, JIS Flange, BS Flange and GB Flange etc;4Size ...