Alloy steel composition and producing method thereof
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United States of America Patent
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Feb 16, 2021
Grant Date -
Nov 30, 2017
app pub date -
May 24, 2017
filing date -
May 24, 2016
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Abstract
A method for producing an alloy steel composition includes the following steps: performing a first heat treatment on an alloy steel composition and maintaining for a first time period to soften the alloy steel composition; performing a first cooling treatment on the softened alloy steel composition; performing a treatment on the softened the alloy steel composition to form a workpiece; performing a second heat treatment on the workpiece and maintaining for a second time period; and performing a second cooling treatment on the workpiece to make the workpiece become to be a Bainite structure, and a cooling rate of the second cooling treatment is high than the cooling rate of the first cooling treatment.
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