CAST IRON refers to gray iron, ductile iron, and malleable iron. It is an iron casting with a carbon content higher than 2%.
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Grey cast iron (a.k.a. gray iron castings) is a type of iron found in castings known for its grey color and appearance caused by graphite fractures in the material.
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Cast Iron: Properties, Processing and Applications
Cast iron is an iron alloy containing 2 wt.% – 4 wt.% carbon, 1 wt.% – 3 wt.% silicon and smaller amounts of minor elements. In comparison, steel has a lower carbon content of up to 2 wt.% and a lower silicon content.
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The Differences Between Ductile Iron and Gray Iron Castings
Gray iron and ductile iron are differentiated by the type and structure of the carbon present in them. The question, of course, is which one is right for your project?
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Ductile iron, also known as ductile cast iron, nodular cast iron, spheroidal graphite iron, spheroidal graphite cast iron and SG iron, is a type of graphite-rich cast iron discovered in 1943 by Keith Millis.While most varieties of cast iron are weak in te
Ductile iron is not a single material but part of a group of materials which can be produced with a wide range of properties through control of their microstructure. The common defining characteristic of this group of materials is the shape of the graphit
In ductile irons, graphite is in the form of nodules rather than flakes as in grey iron. Whereas sharp graphite flakes create stress concentration points within the metal matrix, rounded nodules inhibit the creation of cracks, thus providing the enhanced
Much of the annual production of ductile iron is in the form of ductile iron pipe, used for water and sewer lines. It competes with polymeric materials such as PVC, HDPE, LDPE and polypropylene, which are all much lighter than steel or ductile iron; being
Ductile iron is specifically useful in many automotive components, where strength must surpass that of aluminum but steel is not necessarily required. Other major industrial applications include off-highway diesel trucks, class 8 trucks, agricultural trac
Ductile iron is used in many grand piano harps (the iron plates to which high-tension piano strings are attached).
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