METHOD FOR MANUFACTURING GRAIN-ORIENTED ELECTRICAL STEEL SHEET
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United States of America Patent
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Aug 15, 2024
app pub date -
May 24, 2022
filing date -
May 26, 2021
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Abstract
Provided is a method for manufacturing a grain-oriented electrical steel sheet with excellent uniformity of magnetic properties in the sheet transverse direction without increasing production costs. An ignition loss of an annealing separator after drying: IGLOSS (mass %), a storage time of a cold-rolled steel sheet: T (hr), and a carbon dioxide concentration in a storage environment of the cold-rolled steel sheet: A (mass ppm) satisfy the following formula (1):
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