Method of producing grain-oriented electrical steel sheet

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11459629
APP PUB NO 20190085423A1
SERIAL NO

16076403

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Abstract

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To improve and stabilize magnetic properties, a steel sheet is soaked in a temperature range of 1000° C. or more and 1120° C. or less for 200 sec or less and then soaked in a temperature range of 650° C. or more and 1000° C. or less for 200 sec or less in annealing before final cold rolling, and the amount of Al in precipitates after the annealing before the final cold rolling is limited to 50% or more of the total amount of Al contained in the steel slab.

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Patent Owner(s)

Patent OwnerAddress
JFE STEEL CORPORATIONTOKYO 100-0011

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ehashi, Yuiko Tokyo, JP 10 11
Hayakawa, Yasuyuki Tokyo, JP 47 213
Takenaka, Masanori Tokyo, JP 31 37

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