Compared to other kinds of cast iron, specifically grey iron, ductile iron castings are much less brittle and are more resistant to impact and fracturing. This difference is attributed to the differing structure within the iron. Read More…
At Hallman Foundry, we specialize in the production of high-quality grey iron castings, bringing precision, consistency, and strength to each component we create. With decades of experience in foundry operations, we understand the unique properties of grey iron and harness our expertise to deliver castings that are both durable and meticulously crafted.
For over a century Lemfco has been a family business and leading manufacturer of high-quality grey iron castings. We pride ourselves on our extensive list of products and patterns available for our customers. Lemfco is committed to creating the best gray iron castings for our customers to fit all of their needs. Our company has changed throughout the years, but our commitment to quality never has.
Our gray iron castings are second to none. These high performance items are pre-tested for maximum customer satisfaction. We have a component staff that can easily handle your requests. Turn to Interstate Castings for the best gray iron castings. You will not be upset with the quality of items you receive. We look forward to working with your business. Give us a call today!
At Hiler Industries, we present ourselves as dedicated manufacturers of grey iron castings engineered to deliver strength, consistency, and long-term reliability for demanding industrial applications. We work with carefully controlled melt processes, high-quality raw materials, and disciplined foundry practices to produce castings that maintain uniform microstructure, predictable mechanical...
At St. Marys Foundry, Inc., we take immense pride in our longstanding tradition of crafting exceptional grey iron castings. With years of experience under our collective belt, we are renowned for our commitment to quality and precision in the production of these castings. Our products are a testament to our dedication to excellence. We specialize in the creation of grey iron castings that serve a ...
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Both ductile iron and grey iron contain graphite, but the graphite takes on very different shapes in these two materials. In grey iron, the graphite takes on sharp flake shapes which create points of high stress within the metal, making the material brittle and easily fractured. The graphite in ductile iron, however, takes on a spherical or nodular shape, which greatly improves the ductility of the material.
The name ductile iron is actually a very broad term for many different kinds of ductile iron materials. This kind of cast iron comes in many varieties which are distinguished based on their individual constituents. Many different elements can be added to the iron composition to enhance or alter its properties. For example, magnesium is commonly used as the “nodulizing element,” but other elements like tellurium, cerium, and yttrium can also be used for this same purpose.
Additionally, other elements, such as copper, nickel, tin and chromium, can be used to enhance other properties like tensile strength and corrosion resistance. Therefore, ductile iron can be made with very different compositions.
Due to its enhanced durability, ductile iron is used in many different industries for all kinds of applications. Ductile iron is especially useful in applications which require greater strength than that provided by aluminum but do not require steel.
Thus the automotive, agricultural, oil and manufacturing industries gain great advantages from this material. The majority of ductile iron production is dedicated to creating pipes for water and sewer applications.
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