... delivery standard steel DIN 2527 flange JIS ,ANSI , DIN ,BS4504 ,EN1092, AS2129 1/2"-64" TUV & ISO9001 WN,SW,THD, BL,PL,SO ... standard steelDIN 2527 flange STANDARD: JIS ,ANSI , DIN ,BS4504 ,EN1092, AS2129 and ... drawing and requirment . size:1/2" -64" . Type: WN flange, Slip on flange, plate flange, blind flange , ring and so on materials:carbon steel and ...