... quality 3.competitive price 4.soon delivery standard steel DIN 2527 flange JIS ,ANSI , DIN ,BS4504 ,EN1092, ... WN,SW,THD, BL,PL,SO standard steelDIN 2527 flange STANDARD: JIS ,ANSI , DIN ,BS4504 ,EN1092, ... . Type: WN flange, Slip on flange, plate flange, blind flange , ring and so on materials:carbon steel and stainless steel. SALES MARKET: Japan ... clients. extruder screw barrel standard steel flange