NON-ORIENTED ELECTROMAGNETIC STEEL SHEET - NIPPON STEEL & SUMITOMO METAL CORP

Title:

NON-ORIENTED ELECTROMAGNETIC STEEL SHEET

Document Type and Number:

WIPO Patent Application WO/2018/220839

Kind Code:

A1

Abstract:

When [Si] represents the Si content (mass%), [Al] represents the Al content (mass%), and [Mn] represents the Mn content (mass%), parameter Q represented by "Q=[Si]+2[Al]-[Mn]" is 2.00 or higher. The total mass of S included in sulfides and oxysulfides of Mg, Ca, Sr, Ba, Ce, La, Nd, Pr, Zn and Cd is at least 40% of the total mass of S included in the non-oriented electromagnetic steel sheet. The {100} crystal orientation intensity is 3.0 or higher. The thickness is 0.15-0.30 mm. The average crystal grain size is 65-100 µm.

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Inventors:

KUBOTA TAKESHI (JP)
MOROHOSHI TAKASHI (JP)
MIYAZAKI MASAFUMI (JP)

Application Number:

PCT/JP2017/020668

Publication Date:

December 06, 2018

Filing Date:

June 02, 2017

Export Citation:

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Assignee:

NIPPON STEEL & SUMITOMO METAL CORP (JP)

International Classes:

C22C38/00; C21D8/12; C21D9/46; C22C38/38; H01F1/147

Foreign References:

JP2008127659A	2008-06-05
JPH11189850A	1999-07-13
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JP2001271147A	2001-10-02
KR20120074009A	2012-07-05
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JP2016047942A	2016-04-07
JPH03126845U	1991-12-20
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Other References: