... ... WN Flange:(1) Flanges Type: Plate Flange, Flat Flange, Slip on Flange, Welding Neck Flange, Long Welding Neck Flange, Blind Flange, Socket Welding Flange, Thread Flange, Screwed Flange, Lap Joint Flange(2 ... A105, ASTM A350 LF1, LF2 CL1/CL2, LF3 CL1/CL2ASTM A694 F42, F46, F48, F50, F52, F56, F60, F65, F70 Stainless steel ...