Patent ID: 11959157
Assignee: JFE STEEL CORPORATION
Field: Materials, metallurgy (Chemistry)
Classification: CPC C | IPC C

Claim 1:
2. The high-Mn steel according to claim 1, wherein the chemical composition contains, in mass %, at least one group selected from the following (A) to (B);
(A) one or more selected from
Cu: 0.01% or more and 0.50% or less,
Mo: 2.00% or less,
V: 2.00% or less, and
W: 2.00% or less;

(B) one or more selected from
Ca: 0.0005% or more and 0.0050% or less,
Mg: 0.0005% or more and 0.0050% or less, and
REM: 0.0010% or more and 0.0200% or less.