Asme B16.5 Wn 3" Q235 Forged Flange Shanxi Longxin Forging Co., Ltd Base Info Standard:ANSIType:Welding FlangeMaterial:Carbon SteelStructure:FlangesConnection:WeldingSealing Surface:RFManufacturing Way:Forging Description Pre:2012 Thin Hex Nut DIN936 Next:Nut Bolts and Spike (M20 M24)