Method for steckel mill operation

B - Operations – Transporting – 21 – B

Patent

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B21B 1/34 (2006.01) B21B 1/38 (2006.01) C21D 8/02 (2006.01)

Patent

CA 2236440

A method is provided for Steckel mill roiling and finishing flat rolled steel having uniform mechanical properties, goad surface quality, and ease of flattening whether in coil form or discrete sheet or plate by hot rolling a heated transfer bar in a Steckel mill and reverse rolling and optional coiling to achieve finished flat rolled product of a selected thickness and selected austenite finishing temperature. The finished product is water cooled to a ferrite transformation temperature and thereafter air cooled until transformation from austenite to ferrite is at least 70% completed. The product may be further water cooled to a temperature below the ferrite transformation temperature.

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