NON-ORIENTED ELECTRICAL STEEL SHEET HAVING AN EXCELLENT RECYCLABILITY
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United States of America Patent
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Oct 31, 2019
app pub date -
Dec 12, 2017
filing date -
Dec 28, 2016
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Abstract
A non-oriented electrical steel sheet has a chemical composition including C: not more than 0.0050 mass %, Si: 1.0-5.0 mass %, Mn: 0.03-3.0 mass %, P: not more than 0.2 mass %, S: not more than 0.005 mass %, Al: not more than 0.05 mass %, N: not more than 0.0050 mass %, 0: not more than 0.010 mass %, Ti: not more than 0.0030 mass %, Nb: not more than 0.0030 mass %, B: 0.0005-0.0050 mass % and the remainder being Fe and inevitable impurities, and is excellent in not only the recyclability, but also iron loss property after stress-relief annealing.
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