Patent ID: 11926881
Assignee: JFE STEEL CORPORATION
Field: Materials, metallurgy (Chemistry)
Classification: CPC C  B  Y | IPC B  C

Claim 1:
2. The high-strength cold-rolled steel sheet according to claim 1, wherein the chemical composition further comprises, by mass %, at least one selected from the group consisting of Nb: 0.001 to 0.020%, V: 0.001 to 0.100%, Mo: 0.010 to 0.500%, Cr: 0.01 to 1.00%, Cu: 0.01 to 1.00%, Ni: 0.01 to 0.50%, Ca: 0.0001 to 0.0200%, and REM: 0.0001 to 0.0200%.