Method for hot stamping metal
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United States of America Patent
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Sep 15, 2015
Grant Date -
Dec 12, 2013
app pub date -
Jun 12, 2012
filing date -
Jun 12, 2012
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Abstract
A method for hot stamping an iron based component in which the component is heated to a temperature sufficient to transform the component into austenite. The heated component is then positioned in an open stamping die and the stamping die is closed to mechanically change the shape of the heated component to a desired end shape of the component. At least one opening is punched in the heated component and, thereafter, the component is quenched at a rate and to a temperature sufficient to transform the component into martensite.
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