... ,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 2. Standard :ANSI,ASME,ASTM 3. Size:3/8 ... "-96"1. Types:a) Forged steel flanges b) Plate cutting flanges 2 Metarial ...