Asme B16.5 So Carbon Steel Flange Shanxi Longxin Forging Co., Ltd Base Info Standard:ANSIType:Slip- on FlangeMaterial:Carbon SteelStructure:FlangesSealing Surface:RFManufacturing Way:Forging Description Pre:ASTM Alloy Steel Structure Bolt Set (A490) Next:Asme B16.5 2" Wn Flange RF