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Precision Sheet Metal Fabrication
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Terminology


Metal Terminology
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KILLED STEEL

The term “killed” indicates that the steel has been sufficiently deoxidized to quiet the molten metal when poured into the ingot mold. The general practice is to use aluminum ferrosilicon or manganese as deoxidizing agents. A properly killed steel is more uniform as to analysis and is comparatively free from aging. However, for the same carbon and manganese content Killed Steel is harder than Rimmed Steel. In general all steels above 0.25% carbon are killed, also all forging grades, structural steels from 0.15% to 0.25% carbon and some special steels in the low carbon range. Most steels below 0.15% carbon are rimmed steel.


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MTI ENGINEERING CORPORATION
Precision Sheet Metal Fabrication
15678 Graham St. Huntington Beach, CA 92649
Telephone: (714) 891-4619
Marc Grismer Ext 105
Fax: (714) 891-7570
Web Site: http://www.mtiengineering.com
E-Mail: sheetmetal@mtiengineering.com


Copyright 1998 MTI Engineering Corporation. All rights reserved.
Last modified on March 15, 2007

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