Profile: Ameriforge Ltd. produces flange products. Our flange product supplies un-machined flange forgings and the ameriforge brand of un-approved carbon steel flanges. Our coffer flange is produced from carbon steel A105/A105N and available from inventory in sizes ranging from 2″ through 24″ diameter 150/300/600 psi & in other diameters up to 1500 psi. We specialize in on-site forging, heat-treating, machining and testing.