Remarkable metal supplies. American Iron supplies Versa-Bar continuous cast iron, bronze, and steel. We are proud members of The Lawton Standard Family. AIA is the largest Versa-Bar continuous cast iron distributor in the nation. Our in-house CNC machine shop gives us the ability to offer value added services to LEAN manufacturing operations. We can custom machine runs of cast iron and bronze parts from brake rotors to pulleys to gears. Send us a drawing of your part for a free quote. We supply cast iron in a variety of stock types including bars, tubing, roundbar, and billet. American Iron is a nationwide leader in gray iron and ductile iron supply.