Casting steel strip

Details Casting steel strip Casting steel strip

2006-10-11

2009-02-03

Lin, Kuang (Department: 1793)

Metal founding

Process

Shaping liquid metal against a forming surface

C164S459000

Reexamination Certificate

active

07484551

ABSTRACT:
A method of controlling heat flux between the casting pool and the surfaces of the casting roll in a strip steel casting process includes controlling the concentration of nitrogen in the steel melt. The concentration of nitrogen may be controlled to achieve an operational heat transfer to the casting roll. The beat flux to the casting rolls may be controlled by maintaining the sum of partial pressures calculated from the nitrogen and hydrogen concentrations in the casting pool below 1.15 atmospheres. Decreasing the concentration of nitrogen can increase heat flux at the casting rolls.

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