Hot-rolled steel sheet for non-oriented electrical steel sheet, non-oriented electrical steel sheet, and method for manufacturing same
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United States of America
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Dec 17, 2024
Grant Date -
Mar 2, 2023
app pub date -
Feb 19, 2021
filing date -
Feb 19, 2021
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Abstract
A hot-rolled steel sheet for a non-oriented electrical steel sheet according to one aspect of the present invention contains, by mass %, C: 0.0050% or less, Si: 0.5% or more and 3.5% or less, Mn: 0.1% or more and 1.5% or less, Al: 0.1% or more and 1.5% or less, Cu: 0.01% or more and 0.10% or less, Sn: 0.01% or more and 0.20% or less, and a remainder including Fe and impurities, in which the hot-rolled steel sheet has a Cu concentration peak value of 0.12% or more in a range from a surface thereof to a depth of 10 μm.
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