... High quality carbon steel forged flange 1. Types:SO,WN,PL,BL,SW 2. Standard :ANSI,ASME,ASTM 3. Size:3/8"-96" High quality ... carbon steel forged flange Manufacturer 1. Types:SO,WN,PL,BL,SW ... ISO9000-2008b) Customers' drawings for special use 6. Types we can supply: WN, SO, BL, plate, ... Lightly oiled b) Galvanized c) Painting with different colors d) Just keep the flanges dry and ...