American Alloy Flange offers custom American Manufactured flange products for the Petro-Chemical, Power Generation, Water Works, Aerospace, Marine, Nuclear and Defense Industries.

Our products include ANSI B16.5,ASME B16.5, ASME16.5 API, AWWA pipe flanges in carbon steel , stainless steel , nickel alloys, duplex 2205, super duplex 2507,Monel 400, CuNi, Naval Brass. 6 Moly, aluminum alloys, alloy steel, titanium alloys, chrome steel and special metals such as Hastelloy, Inconel and Incoloy alloys or their equivalents. Product forms include Weld Neck, Slip on, Blind, Threaded, Socket Weld, Lap Joint, Orifice Flanges, Seamless Rolled Rings, and custom flange configurations are available in sizes 1/2″ to 202″. Pressure classes – 75, 125, 150, 175, 250, 300, 350, 400, 600, 900, 1500, 2500, 5K, 10K, 15K, 20K. High Yield – Low Temp. Please visit our Alloys page for a listing of materials that are stock for immediate processing.

We also offer Flange Gaskets and PTFE Coated Fasteners,or standard flange bolts and flange studs. We strive to be your one stop shop for your custom flange project.

Whether you are just looking for one steel flange or a list of weld neck flanges for a large project, we can offer a complete line of products from Hastelloy to carbon steel.