Engineering Manager RJ Hawkins explores the main differences and applications between gray and ductile iron. From a microstructure standpoint, the primary difference is the shape of the graphite. Gray irons have flake graphite, where ductile iron has a nodular or spherical shape. This graphite shape is what drives the basic difference in each from a…

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As older design engineers retire, a new wave of young engineers are taking their places. What many younger engineers lack is an understanding of casting design – how to design parts so they can be cast with a consistently high level of quality. Jeff Taylor, engineering manager at The C.A. Lawton Co., expands on the…

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