JPS6483620A - Production of low iron loss grain oriented silicon steel sheet - Google Patents

Production of low iron loss grain oriented silicon steel sheet

Info

Publication number
JPS6483620A
JPS6483620A JP62239952A JP23995287A JPS6483620A JP S6483620 A JPS6483620 A JP S6483620A JP 62239952 A JP62239952 A JP 62239952A JP 23995287 A JP23995287 A JP 23995287A JP S6483620 A JPS6483620 A JP S6483620A
Authority
JP
Japan
Prior art keywords
steel sheet
oriented silicon
grain oriented
silicon steel
iron loss
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP62239952A
Other languages
Japanese (ja)
Other versions
JPH0680174B2 (en
Inventor
Yasuhiro Kobayashi
Shigeko Sujita
Hirotake Ishitobi
Ujihiro Nishiike
Tsutomu Kami
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
JFE Steel Corp
Original Assignee
Kawasaki Steel Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Kawasaki Steel Corp filed Critical Kawasaki Steel Corp
Priority to JP62239952A priority Critical patent/JPH0680174B2/en
Publication of JPS6483620A publication Critical patent/JPS6483620A/en
Publication of JPH0680174B2 publication Critical patent/JPH0680174B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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  • Soft Magnetic Materials (AREA)
  • Manufacturing Of Steel Electrode Plates (AREA)

Abstract

PURPOSE:To produce a titled steel sheet having an excellent iron loss characteristic by removing the surface oxide layer of a grain oriented silicon steel sheet subjected to the final finish annealing, then subjecting the steel sheet to a smoothing treatment by chemical polishing with a phosphoric acid soln. and electrolytic treatment with a water soluble chloride soln. CONSTITUTION:The oxide layer on the surface of the grain oriented silicon steel sheet subjected to the final finish annealing is removed by a pickling treatment. The surface of the steel sheet is then polished to about >=1mu by the chemical polishing (about 150-180 deg.C) using the phosphoric acid soln. or the electrolytic polishing (about 30-100 deg.C, about 10-200A/dm<2>). The steel sheet is then subjected to the electrolytic treatment by using the water soluble chloride (NaCl, KCl, NH4Cl, CaCl2, etc.) at about 30-100 deg.C treatment temp. and about 10-200A/dm<2> current density, by which the surface is polished by about 0.1-0.8mu per face of the steel sheet and the phosphoric acid metal film is removed. The surface of the steel sheet is thereby effectively smoothed and the grain oriented silicon steel sheet having the excellent iron loss characteristic is stably obtd.
JP62239952A 1987-09-26 1987-09-26 Method for manufacturing low iron loss unidirectional silicon steel sheet Expired - Lifetime JPH0680174B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62239952A JPH0680174B2 (en) 1987-09-26 1987-09-26 Method for manufacturing low iron loss unidirectional silicon steel sheet

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62239952A JPH0680174B2 (en) 1987-09-26 1987-09-26 Method for manufacturing low iron loss unidirectional silicon steel sheet

Publications (2)

Publication Number Publication Date
JPS6483620A true JPS6483620A (en) 1989-03-29
JPH0680174B2 JPH0680174B2 (en) 1994-10-12

Family

ID=17052266

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62239952A Expired - Lifetime JPH0680174B2 (en) 1987-09-26 1987-09-26 Method for manufacturing low iron loss unidirectional silicon steel sheet

Country Status (1)

Country Link
JP (1) JPH0680174B2 (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0467384A2 (en) * 1990-07-20 1992-01-22 Nippon Steel Corporation Method of producing grain oriented silicon steel sheets each having a low watt loss
EP1179603A2 (en) 2000-08-08 2002-02-13 Nippon Steel Corporation Method to produce grain-oriented electrical steel sheet having high magnetic flux density
US7364629B2 (en) 2002-01-08 2008-04-29 Nippon Steel Corporation Method for manufacturing grain-oriented silicon steel sheets with mirror-like surface
JP2017110292A (en) * 2015-12-14 2017-06-22 Ｊｆｅスチール株式会社 Grain oriented silicon steel sheet and method for manufacturing the same
JP2020514548A (en) * 2017-03-27 2020-05-21 バオシャン アイアン アンド スティール カンパニー リミテッド Laser scribed grain oriented silicon steel for stress relief anneal and method of making same
WO2020149341A1 (en) 2019-01-16 2020-07-23 日本製鉄株式会社 Method for manufacturing grain-oriented electrical steel sheet
WO2020149320A1 (en) 2019-01-16 2020-07-23 日本製鉄株式会社 Method for manufacturing grain-oriented electrical steel sheet

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5129965A (en) * 1990-07-20 1992-07-14 Nippon Steel Corporation Method of producing grain oriented silicon steel sheets each having a low watt loss and a mirror surface
EP0467384A2 (en) * 1990-07-20 1992-01-22 Nippon Steel Corporation Method of producing grain oriented silicon steel sheets each having a low watt loss
EP2107130A1 (en) 2000-08-08 2009-10-07 Nippon Steel Corporation Method to produce grain-oriented electrical steel sheet having high magnetic flux density
EP1179603A2 (en) 2000-08-08 2002-02-13 Nippon Steel Corporation Method to produce grain-oriented electrical steel sheet having high magnetic flux density
US6613160B2 (en) 2000-08-08 2003-09-02 Nippon Steel Corporation Method to produce grain-oriented electrical steel sheet having high magnetic flux density
EP2319944A1 (en) 2002-01-08 2011-05-11 Nippon Steel Corporation Method for manufacturing grain-oriented silicon steel sheets with mirror-like surface
US7364629B2 (en) 2002-01-08 2008-04-29 Nippon Steel Corporation Method for manufacturing grain-oriented silicon steel sheets with mirror-like surface
JP2017110292A (en) * 2015-12-14 2017-06-22 Ｊｆｅスチール株式会社 Grain oriented silicon steel sheet and method for manufacturing the same
JP2020514548A (en) * 2017-03-27 2020-05-21 バオシャン アイアン アンド スティール カンパニー リミテッド Laser scribed grain oriented silicon steel for stress relief anneal and method of making same
WO2020149341A1 (en) 2019-01-16 2020-07-23 日本製鉄株式会社 Method for manufacturing grain-oriented electrical steel sheet
WO2020149320A1 (en) 2019-01-16 2020-07-23 日本製鉄株式会社 Method for manufacturing grain-oriented electrical steel sheet
KR20210109605A (en) 2019-01-16 2021-09-06 닛폰세이테츠 가부시키가이샤 Method for manufacturing grain-oriented electrical steel sheet
KR20210110366A (en) 2019-01-16 2021-09-07 닛폰세이테츠 가부시키가이샤 Method for manufacturing grain-oriented electrical steel sheet

Also Published As

Publication number Publication date
JPH0680174B2 (en) 1994-10-12

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