Integral Type Pipe Flange

Integral Flange The Integral Flange(IF)is designed for connection of pipes.As one of hubbed welding neck steel pipe flanges,it can be made by carbon steel,stainless steel,alloy steel,etc.Generally,the flange is used in pipeline with high working pressure.Available Sizes 3/8＂～40＂,DN10~DN1000 Standards GB/T9112-2000,GB/T9113.1-2000,GB/T9113.2-2000,GB/T9113.3-2000,GB/T9113.4-2000,GB/T9124-2000,GB/T13402-1992 HG/T20592-2009,HG/T20614-2009,HG/T20615-2009,HG/T20623-2009,HG/T20635-2009 ASTM B16.5-2009,ASTM B 16.47-2006 API605-1988 MSS SP 44-2006 CSA Z 245.12-05-2005 EN1092-1-2007,EN1759-1-2004 BS1560-3.1-1989,BS4504-3.1-1989 AFNOR NF E29-200-1-2007 ISO7005-1-1992 AS2129-2000 JIS B2220-2004 Raw Materials Carbon steel:A105 Alloy steel:A182F 1-F 2-F 5-F 9-F 10-F 91-F 92-F 122-F 911-F 11-F 12-F 21-F 22 Stainless steel:A182 304-304H-304L-304N-304LN 316-316H-316L-316LN 321-321H 347-347H Low-temperature steel:A522 A707 Grade L 1-L 2-L 3-L 4-L 5-L 6-L 7-L 8 High-performance steel:A694 F 42-F 46-F 48-F 50-F 52-F 56-F 60-F 65-F 70F Pressure Grade American System:CLASS150,CLASS300,CLASS400,CLASS600,CLASS900,CLASS1500, CLASS2500   European System:PN2.5,PN6,PN10,PN16,PN25,PN40,PN63,PN100,PN160,PN250, PN320,PN400 Flange Facing Flat face(FF),Raised face(RF),Tongue face(T),Groove face(G),Female face(F),Male face(M),Ring joints face(RJ). Producing Process Cutting of Raw Material-Die Forging-Machining Application The flange is widely used in many areas such as power generation plant, petroleum industry,natural gas system,chemical industry,shipbuilding industry,heating system,paper-making industry,metallurgy industry,etc.