Cold-forming steel article
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United States of America Patent
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Oct 30, 2012
Grant Date -
Sep 16, 2010
app pub date -
Mar 5, 2010
filing date -
Mar 12, 2009
priority date (Note) -
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Abstract
A cold-forming steel article which comprises an alloy that comprises carbon, manganese, silicon, chromium, molybdenum, vanadium, tungsten and optionally, niobium in certain concentrations, as well as up to about 0.4 wt. % of accompanying elements, remainder iron and contaminants. The article is formed by atomization of a melt and hot isostatic pressing of the resultant powder. The article exhibits a hardness of at least about 60 HRC and a toughness in terms of impact strength of higher than about 50 J. This abstract is neither intended to define the invention disclosed in this specification nor intended to limit the scope of the invention in any way.
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