stainless steel WN flanges Standard: ASTM A182,ANSI B16.5 OR DIN SERIES Types:WN, SO, BL, Plate, Thread, Socket and etc stainless ... , JIS and customers' drawings for special5TypesWN, SO, BL, Plate, Thread, Socket and etc6Processfree forging, plate cutting7Packingin wooden cases, wooden pallets or ...