1) Name:Socket Welding Flange 2) Sizes:DN15mm to DN600mm(1/2''to 24'') 3) Material:Carbon steel 4) Std:ANSI, DIN, JIS,BS,GOST and customers' drawings for special use 5) Types: WN, SO, BL, Plate, Thread, Socket and etc 6) Process: Free forging, plate cutting and casting

