Document Type and Number:
Japanese Patent JPWO2022045221
Kind Code:
A1
Abstract:
Provided is a powder for annealing separator that is used for a grain-oriented electrical steel sheet and enables obtainment of a grain-oriented electrical steel sheet having excellent magnetic properties as a result of favorable purification of impurities in steel. The powder for annealing separator contains magnesium oxide as a main component, and has a nitrogen gas permeability of 0.020 cm/s or more and 0.50 cm/s or less in a state of being applied between coiled steel sheets before start of secondary recrystallization.
Application Number:
JP2021576532A
Publication Date:
March 03, 2022
Filing Date:
August 25, 2021
Export Citation:
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