Grey Iron Castings/

Gray Iron

Gray iron, previously known as cast iron, is used most commonly in applications where tensile strength is not critical. In contrast to the past, cast iron is now made out of iron-carbon alloys that have a higher level of ductility than gray iron.

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Modern Aluminum Castings Co., Inc.
Terre Haute, IN
812-232-0007
For over 90 years Modern Aluminum Castings co., Inc. as provided quality gray iron to a plethora of industries. Our highly automated production capabilities achieve precision parts, lower costs and on time delivery. We've worked closely with numerous customers on inventory management and product stocking programs. Visit our website for more information on our products and services.
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Imperial Casting Company, Inc.
Florence, AL
256-766-8720
Imperial is a 40 year old American gray iron parts supplier located in Florence, Alabama. In a day when many companies of this industry are located in Mexico or China, Imperial is one of the few left in this country and is proud to be still producing components competitively for industries throughout the United States. Please contact Imperial today with any questions you many have.
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Atlas Foundry Company Inc.
Marion, IN
765-662-2525
Atlas is a jobbing and production manufacturer specializing in Class 20, 25, 30 and 35 gray iron components weighing less than 50 pounds with production volumes ranging from 100 to 1,000,000 parts. Some of the major markets Atlas serves include trucking, agriculture, construction, pumps, valves, compressors, bearings, stadium seating, marine and industrial equipment.
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Specialty Castings, Inc.
Springport, MI
888-812-9543
With today`s dynamic marketplace driving high performance, you need a company that can respond to your exact casting needs. Specialty is a world-class supplier of gray iron components and more and can deliver high quality solutions to your exact specifications. From prototypes to production, Specialty is a full service manufacturer with flexibility and responsiveness to your needs.
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General Foundry, LLC
Bethlehem, PA
877-222-4766
At General, experience and talented professionals pour molten metal into useful shapes in a precise, economical and timely manner using a variety of processes no bake (air set), rubber plaster molding (RPM) and permanent mold processes, among many more. For more information or to request a quote, please call General today for precision manufactured gray iron components.
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Willman Industries, Inc.
Cedar Grove, WI
920-668-8526
A quick tour through Willmen's web site should convince you that you'll be in good company when you turn to Willman Industries for your gray iron needs. Willman offers state-of-the-art technology in every phase of manufacturing and its the expertise of its people that has made Willman a leader in the industry. Willmen Industries: Quality You Can Count On Today . . . and Tomorrow.
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Gray Iron

Because of the low ductile properties of gray iron, high levels of tensile stress will result in its breakage or fracture. With the exception of wrought steel, gray iron is the most widely used metal for engineering purposes. Gray iron is an extremely inexpensive metallic material and is readily available in large quantities at almost any foundry. The mechanical properties of gray iron can be altered by the casting process, especially in respect to its cooling rate. Gray iron castings are widely used in the automotive, appliance, agricultural, and machinery industries. Gray iron can be found in pump housings, electrical boxes, engine blocks, and decorative castings.