POSCO Holdings Inc.
GRAIN-ORIENTED ELECTRICAL STEEL SHEET AND MANUFACTURING METHOD THEREFOR

Abstract:

A grain-oriented electrical steel sheet according to an embodiment of the prevent invention comprises: Si: 1.0% to 7.0%, C: 0.005% or less (excluding 0%), P: 0.0010 to 0.1%, Sn: 0.005 to 0.2%, S: 0.0005 to 0.020%, Se: 0.0005 to 0.020% and B: 0.0001 to 0.01% by weight, and the remainder comprising Fe and other inevitable impurities.