Electrical steel sheet and method for manufacturing same
US-12163066-B2 · Dec 10, 2024 · US
Non-oriented electrical steel sheet having excellent magnetic properties
US2017241002A1 · US · A1
| Field | Value |
|---|---|
| Publication number | US-2017241002-A1 |
| Application number | US-201515503508-A |
| Country | US |
| Kind code | A1 |
| Filing date | Jun 24, 2015 |
| Priority date | Aug 20, 2014 |
| Publication date | Aug 24, 2017 |
| Grant date | — |
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Abstract
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A non-oriented electrical steel sheet has excellent magnetic properties and a chemical composition including C: not more than 0.01 mass %, Si: not more than 6 mass %, Mn: 0.05-3 mass %, P: not more than 0.2 mass %, Al: not more than 2 mass % but preferably not more than 0.005 mass %, N: not more than 0.005 mass %, S: not more than 0.01 mass %, Ga: not more than 0.0005 mass % even if hot band annealing is omitted.
First claim
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1 - 5 . (canceled) 6 . A non-oriented electrical steel sheet having a chemical composition comprising C: not more than 0.01 mass %, Si: not more than 6 mass %, Mn: 0.05-3 mass %, P: not more than 0.2 mass %, Al: not more than 2 mass %, N: not more than 0.005 mass %, S: not more than 0.01 mass %, Ga: not more than 0.0005 mass % and the remainder being Fe and inevitable impurities. 7 . The non-oriented electrical steel sheet according to claim 6 , wherein Al content is not more than 0.005 mass %. 8 . The non-oriented electrical steel sheet according to claim 6 , further comprising one or two of Sn: 0.01-0.2 mass % and Sb: 0.01-0.2 mass % in addition to the above chemical composition. 9 . The non-oriented electrical steel sheet according to claim 7 , further comprising one or two of Sn: 0.01-0.2 mass % and Sb: 0.01-0.2 mass % in addition to the above chemical composition. 10 . The non-oriented electrical steel sheet according to claim 6 , further comprising one or more selected from Ca: 0.0005-0.03 mass %, REM: 0.0005-0.03 mass % and Mg: 0.0005-0.03 mass % in the chemical composition. 11 . The non-oriented electrical steel sheet according to claim 7 , further comprising one or more selected from Ca: 0.0005-0.03 mass %, REM: 0.0005-0.03 mass % and Mg: 0.0005-0.03 mass % in the chemical composition. 12 . The non-oriented electrical steel sheet according to claim 8 , further comprising one or more selected from Ca: 0.0005-0.03 mass %, REM: 0.0005-0.03 mass % and Mg: 0.0005-0.03 mass % in the chemical composition. 13 . The non-oriented electrical steel sheet according to claim 9 , further comprising one or more selected from Ca: 0.0005-0.03 mass %, REM: 0.0005-0.03 mass % and Mg: 0.0005-0.03 mass % in the chemical composition. 14 . The non-oriented electrical steel sheet according to claim 6 , further comprising one or more selected from Ni: 0.01-2.0 mass %, Co: 0.01-2.0 mass %, Cu: 0.03-5.0 mass % and Cr: 0.05-5.0 mass % in the chemical composition. 15 . The non-oriented electrical steel sheet according to claim 7 , further comprising one or more selected from Ni: 0.01-2.0 mass %, Co: 0.01-2.0 mass %, Cu: 0.03-5.0 mass % and Cr: 0.05-5.0 mass % in the chemical composition. 16 . The non-oriented electrical steel sheet according to claim 8 , further comprising one or more selected from Ni: 0.01-2.0 mass %, Co: 0.01-2.0 mass %, Cu: 0.03-5.0 mass % and Cr: 0.05-5.0 mass % in the chemical composition. 17 . The non-oriented electrical steel sheet according to claim 9 , further comprising one or more selected from Ni: 0.01-2.0 mass %, Co: 0.01-2.0 mass %, Cu: 0.03-5.0 mass % and Cr: 0.05-5.0 mass % in the chemical composition. 18 . The non-oriented electrical steel sheet according to claim 10 , further comprising one or more selected from Ni: 0.01-2.0 mass %, Co: 0.01-2.0 mass %, Cu: 0.03-5.0 mass % and Cr: 0.05-5.0 mass % in the chemical composition. 19 . The non-oriented electrical steel sheet according to claim 11 , further comprising one or more selected from Ni: 0.01-2.0 mass %, Co: 0.01-2.0 mass %, Cu: 0.03-5.0 mass % and Cr: 0.05-5.0 mass % in the chemical composition. 20 . The non-oriented electrical steel sheet according to claim 12 , further comprising one or more selected from Ni: 0.01-2.0 mass %, Co: 0.01-2.0 mass %, Cu: 0.03-5.0 mass % and Cr: 0.05-5.0 mass % in the chemical composition. 21 . The non-oriented electrical steel sheet according to claim 13 , further comprising one or more selected from Ni: 0.01-2.0 mass %, Co: 0.01-2.0 mass %, Cu: 0.03-5.0 mass % and Cr: 0.05-5.0 mass % in the chemical composition.
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- What does patent US2017241002A1 cover?
- A non-oriented electrical steel sheet has excellent magnetic properties and a chemical composition including C: not more than 0.01 mass %, Si: not more than 6 mass %, Mn: 0.05-3 mass %, P: not more than 0.2 mass %, Al: not more than 2 mass % but preferably not more than 0.005 mass %, N: not more than 0.005 mass %, S: not more than 0.01 mass %, Ga: not more than 0.0005 mass % even if hot band an…
- Who is the assignee on this patent?
- Jfe Steel Corp
- What technology area does this patent fall under?
- Primary CPC classification C22C38/02. Mapped technology areas include Chemistry & Metallurgy.
- When was this patent published?
- Publication date Thu Aug 24 2017 00:00:00 GMT+0000 (Coordinated Universal Time) (A1). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).