Stainless Steel Flange,High nickel alloys flange,titanium flange,monel flange,inconel flange,duplex flange,copper nickel flanges 1.ANSI FLANGEStandard:ANSI B 16.5ANSI B16.47MSS SP44ANSI B16.36ANSI B16.48Types:Welding Neck Flanges, Slip on Flanges, Threaded Flanges,Socket Welding Flanges, Blind Flanges, Orifice Flanges,Lap Joint Flanges, Ring joint Flanges, Long Welding Neck Flanges,Figure 8 ...