KR910012292A - Method of manufacturing non-oriented electrical steel sheet with excellent magnetic properties - Google Patents

Method of manufacturing non-oriented electrical steel sheet with excellent magnetic properties Download PDF

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Publication number
KR910012292A
KR910012292A KR1019890020178A KR890020178A KR910012292A KR 910012292 A KR910012292 A KR 910012292A KR 1019890020178 A KR1019890020178 A KR 1019890020178A KR 890020178 A KR890020178 A KR 890020178A KR 910012292 A KR910012292 A KR 910012292A
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KR
South Korea
Prior art keywords
steel sheet
oriented electrical
electrical steel
magnetic properties
excellent magnetic
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Application number
KR1019890020178A
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Korean (ko)
Other versions
KR920005619B1 (en
Inventor
박종태
신정철
Original Assignee
정명식
포항종합제철 주식회사
박태준
재단법인 산업과학기술연구소
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Priority to KR1019890020178A priority Critical patent/KR920005619B1/en
Publication of KR910012292A publication Critical patent/KR910012292A/en
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Publication of KR920005619B1 publication Critical patent/KR920005619B1/en

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    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/12—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Thermal Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Electromagnetism (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing Of Steel Electrode Plates (AREA)
  • Soft Magnetic Materials (AREA)

Abstract

내용 없음No content

Description

자기특성이 우수한 무방향성 전기강판의 제조방법Method of manufacturing non-oriented electrical steel sheet with excellent magnetic properties

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.

제1도는 고온소둔온도와 2차냉연율에 따른 최종제품의 자성변화를 나타낸 그래프.1 is a graph showing the magnetic change of the final product according to the high temperature annealing temperature and the secondary cold rolling rate.

Claims (2)

중량%로, C : 0.0030%이하, Si : 2-4%, Al : 0.25-1.0%, Mn : 0.15-1.0%, S : 0.0050% 이하, N : 0.0050이하, Sb : 0.008-0.25%를 함유하고 나머지 Fe로 이루어지는 규소강스라브(Slab)를 열간압연하고 소둔한 강판을 중간소둔을 포함한 2회 냉간압연에 의해 최종두께로 냉간압연하는 무방향성 전기강판의 제조방법에 있어서, 2차냉간압연율을 25-65%로 하고 냉간압연판을 980-1070℃에서 5-9분 고온소둔하는 것을 특징으로 하는 자기특성이 우수한 무방향성 전기강판의 제조방법.By weight%, C: 0.0030% or less, Si: 2-4%, Al: 0.25-1.0%, Mn: 0.15-1.0%, S: 0.0050% or less, N: 0.0050 or less, Sb: 0.008-0.25% In the method of manufacturing a non-oriented electrical steel sheet in which the silicon steel slab made of the remaining Fe is hot rolled and the steel sheet annealed is cold rolled to the final thickness by two cold rolling including intermediate annealing, the secondary cold rolling rate And 25-65% of the cold rolled sheet at 980-1070 ° C. for 5-9 minutes at high temperature annealing. 제1항에 있어서, 2차냉간압연율이 45-60%인 것을 특징으로 하는 자기특성이 우수한 무방향성 전기강판의 제조방법.The method of manufacturing a non-oriented electrical steel sheet having excellent magnetic properties according to claim 1, wherein the secondary cold rolling rate is 45 to 60%. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019890020178A 1989-12-29 1989-12-29 Making process for electrical steel sheet KR920005619B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019890020178A KR920005619B1 (en) 1989-12-29 1989-12-29 Making process for electrical steel sheet

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019890020178A KR920005619B1 (en) 1989-12-29 1989-12-29 Making process for electrical steel sheet

Publications (2)

Publication Number Publication Date
KR910012292A true KR910012292A (en) 1991-08-07
KR920005619B1 KR920005619B1 (en) 1992-07-10

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ID=19294215

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019890020178A KR920005619B1 (en) 1989-12-29 1989-12-29 Making process for electrical steel sheet

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KR (1) KR920005619B1 (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100237159B1 (en) * 1995-12-14 2000-01-15 이구택 The manufacturing method for non orient electric steel sheet
KR100328032B1 (en) * 1997-10-01 2002-05-10 이구택 A Method for Manufacturing Non-Oriented Ultra-Thin Gauge Sillicon Steel Sheet
KR100384630B1 (en) * 1998-10-21 2003-08-19 주식회사 포스코 Non oriented electrical steel with excellent magnetic prope rties after stress relief annealing and the method of manufacturing thereof
KR100733345B1 (en) * 2005-12-27 2007-06-29 주식회사 포스코 Non-oriented electrical steel sheets with improved magnetic property and method for manufacturing the same
KR100782762B1 (en) * 2001-12-22 2007-12-05 주식회사 포스코 A method for manufacturing non-oriented silicon steel with excellent magnetic property
KR20240093139A (en) 2022-12-15 2024-06-24 현대제철 주식회사 Non-oriented elecrical steel sheet and method of manufacturing the same

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100237159B1 (en) * 1995-12-14 2000-01-15 이구택 The manufacturing method for non orient electric steel sheet
KR100328032B1 (en) * 1997-10-01 2002-05-10 이구택 A Method for Manufacturing Non-Oriented Ultra-Thin Gauge Sillicon Steel Sheet
KR100384630B1 (en) * 1998-10-21 2003-08-19 주식회사 포스코 Non oriented electrical steel with excellent magnetic prope rties after stress relief annealing and the method of manufacturing thereof
KR100782762B1 (en) * 2001-12-22 2007-12-05 주식회사 포스코 A method for manufacturing non-oriented silicon steel with excellent magnetic property
KR100733345B1 (en) * 2005-12-27 2007-06-29 주식회사 포스코 Non-oriented electrical steel sheets with improved magnetic property and method for manufacturing the same
KR20240093139A (en) 2022-12-15 2024-06-24 현대제철 주식회사 Non-oriented elecrical steel sheet and method of manufacturing the same

Also Published As

Publication number Publication date
KR920005619B1 (en) 1992-07-10

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