Bainitic steel of high strength and high elongation and method to manufacture said bainitic steel
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United States of America Patent
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May 31, 2022
Grant Date -
Apr 17, 2014
app pub date -
May 28, 2012
filing date -
May 30, 2011
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Abstract
The invention relates to a bainite steel consisting of the following elements in weight %: C: 0.25-0.55 Si: 0.5-1.8 Mn: 0.8-3.8 Cr: 0.2-2.0 Ti: 0.0-0.1 Cu: 0.0-1.2 V: 0.0-0.5 Nb: 0.0-0.06 Al: 0.0-2.75 N: <0.004 P: <0.025 S: <0.025 and a method for manufacturing a bainite steel strip that comprises the step of cooling the coiled strip of such composition to ambient temperature, during which the bainite transformation takes place.
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