Asme B16.5 2" Wn Flange RF Shanxi Longxin Forging Co., Ltd Base Info Standard:ANSIMaterial:Carbon SteelStructure:FlangesConnection:WeldingSealing Surface:RFManufacturing Way:Forging Description Pre:Asme B16.5 So Carbon Steel Flange Next:Asme B16.5 Wn 4" RF Flange