mill scale


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mill scale

[′mil ‚skāl]
(metallurgy)
A surface layer of ferric oxide (Fe3O4) that forms on steel or iron during hot rolling.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

mill scale

A loose coating of oxide which forms on iron or iron products when heated.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.
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Extruded Product Services is a scalable, continuous process that needs low energy to convert and recycle different raw materials such as fines, dust, sludge and mill scale into a cost-effective and high-quality feedstock.
One explanation of the wide range is that studies have been conducted with steel samples in an as-received condition where the mill scale from production is intact or with modified surfaces obtained by, e.g., grinding, pickling, where the steel surface is without a mill scale.
The pump is especially designed for pumping heavy slurries containing lime, mill scale, coal, ash, silt, food waste or sand and gravel.
Hand tool cleaning is intended to remove all loose mill scale, rust, paint and other contaminants that may be detrimental to a coating application.
On an outbound basis, Essar ships out finished steel products to their customers in the lower lakes, along with residual products such as slag, mill scale and pellet fines.
Designed to be more effective at removing rust and mill scale, the citric-acid-based gel cleaner is safer for users and the environment than traditional grinding, sanding, media blasting, or chemical-based solutions.
This patented process removes the layer of oxide (mill scale) from the surface of hot rolled steel, imparting a very clean, uniform surface.
The company trades in various commodities, including petroleum products, sulphur, mill scale, coal and coke, chemicals, and tea.
The rust substance has been identified as mill scale - a flaky substance often found on hot steel.
Its key advantage is that it is able to utilise materials such as low cost brown coal and iron bearing media including mill scale, nickel tailings, and high or low grade iron ore, which are unsuited to blast furnace operation or alternate iron making technologies."