Asme B16.5 Wn 5" Carbon Steel Forged Flange Shanxi Longxin Forging Co., Ltd Base Info Standard:ANSIType:Welding FlangeMaterial:Carbon SteelStructure:FlangesConnection:WeldingSealing Surface:RFManufacturing Way:Forging Description Pre:ASTM A453 660A/B/C/D Stud Bolts Set Next:Carbon Steel Seamless Bend Pipe