Welding Neck Flange WN ASTM A182 Duplex Steel Gr F55 F60 SCH 120S API 10000# 6A TYPE 6BX F55 (S32760, 1.4501) is a high-alloy super duplex stainless ....
Stainless steel ANSI B16.5 pipe fitting welding neck flange (WN) Butt welding flange with neck refers to a kind of flange with tapered neck and butt ....