Forged Galvanised Flange 1.ISO 9001:2008 2.GOST,ANSI,DIN ... :Carbon/Stainless 4. Size:1/2"-72" Forged Galvanised Flange 1)material: Carbon steel (A105, RST37-2/S235JRG2, ... 72' 'TypeLap-Joint Flange (LJ), Socket-welded Flange (SW), Slip-on Flange (SO), Welding-Neck Flange (WN), Threaded Flange (TH), Blind flange etc.American SeriesCLASS 150 ... Asia, and other countries and regions. Forged Galvanised Flange