CPC C21D 8/1222 (2013.01) [C21D 8/1233 (2013.01); C21D 8/1272 (2013.01); C21D 9/46 (2013.01); C22C 38/004 (2013.01); C22C 38/008 (2013.01); C22C 38/02 (2013.01); C22C 38/04 (2013.01); C22C 38/06 (2013.01); C22C 38/16 (2013.01); C23G 1/081 (2013.01)] | 5 Claims |
1. A hot-rolled steel sheet for a non-oriented electrical steel sheet comprising, 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: 0.010% or more and 0.10% or less;
Sn: 0.010% or more and 0.20% or less; and
a remainder including Fe and impurities,
wherein 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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