Patent ID: 11866800
Assignee: NIPPON STEEL CORPORATION
Field: Materials, metallurgy (Chemistry)
Classification: CPC C  B  Y | IPC B  C

Claim 1:
2. The steel sheet according to claim 1,
wherein the composition further includes, by mass %, one or two or more selected from the group of:
V: 0.01% to 0.50%;
Cr: 0.05% to 1.00%;
Ni: 0.05% to 1.00%;
Cu: 0.05% to 1.00%;
Mo: 0.03% to 1.00%;
W: 0.03% to 1.00%;
B: 0.0005% to 0.0100%;
Sn: 0.01% to 1.00%;
Sb: 0.005% to 0.20%; and
one or two or more selected from the group of Ca, Ce, Mg, Zr, La, and REM: 0.0001% to 0.0100% in total.