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Cast Iron Manufacturers and Companies

IQS Directory provides a detailed list of cast iron manufacturers and suppliers. Find cast iron companies that can design, engineer, and manufacture cast irons to your specifications. Peruse our website to review and discover top cast iron manufacturers with roll over ads and complete product descriptions. Connect with the cast iron companies through our hassle-free and efficient request for quote form. You are provided company profiles, website links, locations, phone numbers, product videos, and product information. Read reviews and stay informed with product new articles. Whether you are looking for manufacturers of ductile iron castings, cast iron defects, or cast iron castings of every type, IQS is the premier source for you.

Leading Companies:

  • Terre Haute, IN 800-467-6252

    Modern Aluminum Castings Co., Inc. has been a designer and manufacturer of aluminum and iron castings since 1919. Industries served include the sporting goods, medical devices, industrial machinery, HVAC, automotive, electrical lighting, appliance, and construction industries. Other services include forgings, stampings, custom machined components, and others.

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  • Webster, SD 605-345-3349

    Since 1977, Dakota Foundry has been a leader in the grey iron castings industry. Our expert team of leaders all have 25-30 years of experience and are ready to use their knowledge to help customers with their needs. Customers of Dakota Foundry can expect high-quality products and excellent service.

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  • Richmond, VA 804-233-9674

    OK Foundry offers highly flexible gray and ductile iron castings. Family owned since 1912, we ensure tightly controlled metallurgy for production, prototype & one-of-a-kind engineering & architectural castings up to 700 lbs. Whether you need a handful of castings or regular shipments of large quantities, we offer shorter lead times & cheaper tooling. Your domestic partner for gray or ductile iron parts.

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  • Diamond Bar, CA 877-484-6776

    Impro Industries is globally recognized as a leading provider of high-precision, high-complexity, and mission-critical casting and machined components. Industries served include automotive, aerospace, medical, and many mor. Our team is dedicated to the quality of our every project, ensuring the highest customer satisfaction. Contact us today to learn more about our grey iron casting capabilities.

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  • Hanover, PA 717-632-4165

    As a leading manufacturer of grey and ductile iron castings, Penn-Mar Castings has lead times as low as three weeks and the ability to pour castings ranging from 150 to 3,000 pounds. Our foundry uses a no-bake method to produce both complex cores as well as simple shapes. By determining the lowest scrap rate and reducing machining time, we offer long-term savings without compromising quality.

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  • Maumee, OH 844-722-7846

    For over 60 years, Carson Castings has been a leading manufacturer of grey iron castings. Through the years, we have built many relationships with our customers because they know we are reliable and responsive while creating high-quality products. Contact us today or visit our website for more information!

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  • More Cast Iron Companies

Cast Iron Industry Information

Cast Iron

Cast iron encompasses a large group of ferrous alloys containing between 1 and 3% silicone and 2 to 4% carbon, with a core of about 95% iron by weight. While there are several specific casting techniques in use to produce cast iron parts, all follow a basic procedure of heating, molding, cooling, and ejecting.

Quick links to Cast Iron Information

Applications of Cast Iron

The two foremost types of cast iron are white iron and grey iron. White iron is used in a number of wear applications, such as slurry pumps, liners, grinding mills, and pulverizers. Grey iron castings are less brittle, allowing their use as crankshafts, support beams, and engine blocks. Cast iron specialized alloys are also becoming increasingly common in the industrial world.

Manufacturing Process of Cast Iron

Although pure iron is found only in meteorites, the element is one of the most abundant on Earth, making up 5% of the crust and 35% of the total mass. Mining operations extract the element from iron ore and oxides such as magnetite, hematite, limonite, goethite, and siderite, which contain high levels of iron. These oxides are smelted to produce what is known as pig iron, the base material for cast iron. The stock forms are heated in a special blast furnace known as a cupola. Scrap iron and steel are added to the molten mixture to produce cast iron. Once in a molten state, this metal is poured into a cast where it is cooled at controlled rates before a finished or near finished part is ejected or extracted. Some of the more popular methods used today for iron castings are die casting, centrifugal casting, and sand casting. Die casting is used to manufacture complex parts at high production rates, centrifugal casting creates cylindrical parts, and sand casting uses expendable synthetic or natural sand molds to create rough parts. These processes result in easily machined cast iron components with high compression strength, low melting points, good thermal conductivity and energy dissipation, wear resistance, and fluidity.

Notable Types of Cast Iron

There are two predominant types of cast iron: white iron and grey iron. White iron has small white deposits of cementite. Grey iron has a graphitic structure, the deflection of which provides the namesake color on fracture surfaces.The main differences between the two are silicone content and cooling times, both of which have a significant impact on the physical and mechanical behavior of the alloy. White iron has a low carbon content and is cooled at a fast rate to produce a brittle cast part with good hardness and abrasion resistance. Grey iron is produced through the slow cooling of high carbon iron alloys. In addition to these two types, iron foundries and metallurgical engineers continue to develop more malleable and ductile irons that exhibit the beneficial characteristics of cast iron but with significant reductions to brittleness due to a spheroid rather than flaked internal structure.



Cast Iron Informational Video


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