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iron, Ductile Iron, Gray Iron, Grey Iron, austempered ductile iron, ADI, Castings, Foundry, St. Paul, Minnesota, green sand, axles, bearing caps, brackets, brake parts, drum disc, cases, carriers, housings, compressor parts, hydraulic end caps, exhaust manifolds, frame segments, valves, transmission rings, crankshafts, gear blanks, turbo housings, hubs, water pumps, calipers, wheel cylinders, prototype, short run, cupola, highly cored, shell core, Hunter, Beardsley and Piper, cope and drag, no |