Method of continuously casting electrical steel strip with controlled spray cooling

   
   

A method for continuously casting grain oriented electrical steel is disclosed. This method utilizes a controlled rapid cooling step, such as one using a water spray, to control the grain orientation in the finished product. The product formed not only has the appropriate grain orientation but also has good physical properties, for example, minimized cracking. In this process, after a continuously cast electrical steel strip is formed, the strip undergoes an initial secondary cooling to from about 1150 to about 1250.degree. C., and finally undergoes a rapid secondary cooling (for example, by water spray) at a rate of from about 65.degree. C./second to about 150.degree. C./second to a temperature of no greater than about 950.degree. C.

Un método para el acero eléctrico orientado grano de la colada se divulga continuo. Este método utiliza un paso que se refresca rápido controlado, tal como uno usando un aerosol de agua, para controlar la orientación del grano en el producto acabado. El producto formado tiene no sólo la orientación apropiada del grano sino también tiene buenas características físicas, por ejemplo, el agrietarse reducido al mínimo. En este proceso, después de que se forme una tira de acero eléctrica fundida de continuo, la tira experimenta refrescarse secundario inicial a partir de cerca de 1150 alrededor a 1250.degree. La C., y finalmente experimenta refrescarse secundario rápido (por ejemplo, por el aerosol de agua) en un índice alrededor de 65.degree. C./second alrededor a 150.degree. C./second a una temperatura de no mayor que sobre 950.degree. C.

 
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