PROCESS FOR MANUFACTURING DIRECTIONAL SILICON STEEL SHEET EXCELLENT IN MAGNETIC PROPERTIES.

摘要

A directional silicon steel sheet excellent in magnetic properties can be manufactured with a high productivity in a stabilized manner by effectively combining tandem rolling with aging treatment particularly in the final cold rolling step. The process comprises first conducting tandem rolling, then conducting continuous heat treatment, desirably, under an applied tension, and finally conducting cold rolling to attain a target sheet thickness.