Method for manufacturing duplex stainless steel sheet having reduced inclusions
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United States of America Patent
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Jan 16, 2018
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app pub date -
Dec 8, 2015
filing date -
Dec 11, 2014
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Abstract
There is provided a method for manufacturing a duplex stainless steel sheet having reduced inclusions through argon oxygen decarburization (AOD), ladle treatment (LT), and twin roll strip casting. The method includes deoxidizing molten steel using silicon (Si) during the AOD, wherein the molten steel has a silicon (Si) content of 0.55 wt % to 0.75 wt % at the end of the AOD.
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