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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At The C.A. Lawton Co., we are proud of the reputation our foundry has built over the last two centuries; a reputation for quality, on-time iron casting solutions alongside high-touch customer service. In this series of blog posts, we will be highlighting the “Lawton Difference” and how Lawton makes the difficult task of procuring castings…

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