Patent ID: 11945028
Assignee: JFE STEEL CORPORATION
Field: Materials, metallurgy (Chemistry)
Classification: CPC B  C  Y | IPC B  C

Claim 14:
15. A method for continuously casting Al-containing hypo-peritectic steel, the method comprising:
supplying the mold powder for continuous casting of Al-containing hypo-peritectic steel according to claim 5 into a mold for continuous casting when Al-containing hypo-peritectic steel having Al: 0.2% to 2.0%, by mass %, and, in a hypo-peritectic region, C: 0.08% to 0.17%, by mass %, is continuously cast,
wherein a slab drawing speed is in a range of 0.7 m/min to 2.0 m/min, and
a thickness of a mold powder molten layer is in a range of 8×Q1/2 mm to 18×Q1/2 mm for a casting flow rate (Q; tons/min) of molten steel and is 35 mm or less.