Differential quench method and apparatus

Details Differential quench method and apparatus Differential quench method and apparatus

C - Chemistry, Metallurgy

21

D

C21D 1/19 (2006.01) B21B 37/74 (2006.01) B22D 30/00 (2006.01) C21D 8/02 (2006.01) B21B 1/34 (2006.01) B21B 1/46 (2006.01) B21B 15/00 (2006.01) B21B 45/00 (2006.01) B21B 45/02 (2006.01)

Patent

CA 2277392

Surface defects in rolled steel are remedied by quenching a surface layer of the strand immediately downstream of the caster by transversely differential quenching to match the transverse temperature profile of the strand. The flow rate of the quench spray is differentially adjustable across the width and optionally the length of the strand. An array of spray nozzles controlled by groups provides the quench spray.

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