High quality carbon steel forged flange 1. Types:SO,WN,PL,BL, ... 2. Standard :ANSI,ASME,ASTM 3. Size:3/8"-96" High quality carbon steel forged flange Manufacturer 1. Types:SO,WN,PL ... :3/8"-96"1. Types:a) Forged steel flanges b) Plate cutting flanges 2 Metarial: CS AS SS 3. Size: Size ... special use 6. Types we can supply: WN, SO, BL, plate, thread, socket and other special shapes 7. Painting: Black,oil ...