gray iron


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Related to gray iron: alloy cast iron, Ductile iron

gray iron

[′grā ‚ī·ərn]
(metallurgy)
Pig or cast iron in which the carbon not contained in pearlite is present in the form of graphitic carbon.
References in periodicals archive ?
Panel: Use Of Image Analysis For Gray Iron Micrustructure Control (06-136)
Uncertainties exist to exact roles the two elements play in gray iron.
The mechanical strength of CGI makes it possible to save 10 to 15% of material in an engine block, the result being lighter designs, less cost for material and less energy required to move around the heavier weight of an engine made out of gray iron.
Shipments of gray iron have been in a downward trend since the early 1980s, as automakers increasingly have substituted ductile iron and cast aluminum for cast iron parts.
For example, the Southeast, a relatively low-paying region, accounted for one-half of the workers in gray iron pipe and fittings foundries.
He also is chairman of the American Foundry Society Gray Iron Research Committee.
In gray iron, the graphite exists as flakes, whereas the graphite in the imbedded flake matrix of graphite often traps and binds corrosion poducts in place.
We have the people and the machinery working together to deliver high quality gray iron castings to our customers in a timely manner.
For one thing, unlike gray iron, CGI is a very low sulfur iron.
But, before discussing how, a brief disgression is necessary to understand why gray iron evolved to its present state.
manufacturers of precision ductile iron, gray iron, steel and aluminum castings for a wide variety of industries.
The breakdown of world casting production by metal has remained similar to 2009, with gray iron taking up 48% of the total 91.