US 11,795,518 B2
Non-oriented electrical steel sheet and method of manufacturing stacked core using same
Hiroshi Fujimura, Tokyo (JP); Satoshi Kano, Tokyo (JP); and Miho Tomita, Tokyo (JP)
Assigned to NIPPON STEEL CORPORATION, Tokyo (JP)
Appl. No. 17/257,466
Filed by NIPPON STEEL CORPORATION, Tokyo (JP)
PCT Filed Oct. 24, 2019, PCT No. PCT/JP2019/041767
§ 371(c)(1), (2) Date Dec. 31, 2020,
PCT Pub. No. WO2020/085448, PCT Pub. Date Apr. 30, 2020.
Claims priority of application No. 2018-199857 (JP), filed on Oct. 24, 2018.
Prior Publication US 2021/0292863 A1, Sep. 23, 2021
Int. Cl. C21D 8/12 (2006.01); C22C 38/02 (2006.01); C22C 38/00 (2006.01); C22C 38/04 (2006.01); C22C 38/06 (2006.01); C21D 8/02 (2006.01); C21D 9/00 (2006.01); C21D 9/46 (2006.01); H01F 1/147 (2006.01); B21D 28/02 (2006.01)
CPC C21D 8/12 (2013.01) [B21D 28/02 (2013.01); C21D 8/0263 (2013.01); C21D 9/0012 (2013.01); C21D 9/46 (2013.01); C22C 38/004 (2013.01); C22C 38/02 (2013.01); C22C 38/04 (2013.01); C22C 38/06 (2013.01); H01F 1/14775 (2013.01); C21D 2261/00 (2013.01); C22C 2202/02 (2013.01)] 2 Claims
 
1. A non-oriented electrical steel sheet comprising, by mass %:
Si: 7.0 to 5.0%,
Mn: 0.4 to 5.0%,
0.1≤Al≤3.0%,
C: 0.0008 to 0.0100%,
N≤0.0030%,
S≤0.0030%,
Ti≤0.0060%,
a balance of Fe and unavoidable impurities,
wherein:
a product of the contents of Mn and C is in a range of 0.004 to 0.05 (mass %)2, and
the steel sheet has a yield strength in a rolling direction of 600 MPa, or more, and a Young's modulus in the rolling direction of 200 GPa or more.