KR930008167A - Non-oriented electrical steel sheet having excellent magnetic properties and manufacturing method thereof - Google Patents

Non-oriented electrical steel sheet having excellent magnetic properties and manufacturing method thereof Download PDF

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Publication number
KR930008167A
KR930008167A KR1019910018622A KR910018622A KR930008167A KR 930008167 A KR930008167 A KR 930008167A KR 1019910018622 A KR1019910018622 A KR 1019910018622A KR 910018622 A KR910018622 A KR 910018622A KR 930008167 A KR930008167 A KR 930008167A
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South Korea
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less
electrical steel
steel sheet
oriented electrical
annealing
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KR1019910018622A
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Korean (ko)
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KR930011406B1 (en
Inventor
배병근
우종수
Original Assignee
정명식
포항종합제철 주식회사
백덕현
재단법인 산업과학기술연구소
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Application filed by 정명식, 포항종합제철 주식회사, 백덕현, 재단법인 산업과학기술연구소 filed Critical 정명식
Priority to KR1019910018622A priority Critical patent/KR930011406B1/en
Priority to CZ931218A priority patent/CZ284195B6/en
Priority to RU9293043462A priority patent/RU2092605C1/en
Priority to PCT/KR1992/000050 priority patent/WO1993008313A1/en
Priority to EP19920922513 priority patent/EP0567612A4/en
Priority to JP50761793A priority patent/JP2700505B2/en
Priority to CN92113058A priority patent/CN1039352C/en
Publication of KR930008167A publication Critical patent/KR930008167A/en
Application granted granted Critical
Publication of KR930011406B1 publication Critical patent/KR930011406B1/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
    • C21D8/1205—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties involving a particular fabrication or treatment of ingot or slab
    • 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
    • C21D6/00—Heat treatment of ferrous alloys
    • C21D6/008—Heat treatment of ferrous alloys containing Si
    • 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
    • C21D8/1244—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties the heat treatment(s) being of interest
    • C21D8/1261—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties the heat treatment(s) being of interest following hot rolling
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/008—Ferrous alloys, e.g. steel alloys containing tin
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/08—Ferrous alloys, e.g. steel alloys containing nickel
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/16—Ferrous alloys, e.g. steel alloys containing copper
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/60—Ferrous alloys, e.g. steel alloys containing lead, selenium, tellurium, or antimony, or more than 0.04% by weight of sulfur

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

Abstract

본 발명은 각종 모터, 소정변압기등의 전기기기의 철심으로 사용되는 무방향성 전기강판 및 그 제조방법에 관한 것으로서, 무방향정 전기강판의 성분계를 적절히 선정하여 풀리 프로세스에 의해 낮은 철손을 가지면서 높은 자속밀도과 높은 투자율을 동시에 갖는 자성이 우수한 무방향정 전기강판을 제공하고자 하는데, 그 목적이 있다.BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a non-oriented electrical steel sheet used for iron cores of electric machines such as various motors and predetermined transformers, and a method for manufacturing the same. An object of the present invention is to provide a non-oriented electrical steel sheet having excellent magnetic properties having high density and high permeability.

본 발명은, 중량%로, C : 0.02%아하, Si : 1.0∼3.5%, Mn : 1.0%이하, P : 0.10%, S : 0.01%이하, N : 0.008%이하, Al : 0.7%이하, Ni : 0.05∼1.0%, Cu : 0.02∼0.5% Sn과 Sb중 1종 또는 2종의 합 : 0.02∼0.2% 잔부 Fe 및 기타 불가피한 불순물로 조정되는 자정이 우수한 무방향성전기강판 및 그 제조방법에 관한 것이다.In the present invention, by weight%, C: 0.02% or less, Si: 1.0 to 3.5%, Mn: 1.0% or less, P: 0.10%, S: 0.01% or less, N: 0.008% or less, Al: 0.7% or less, Ni: 0.05 to 1.0%, Cu: 0.02 to 0.5% Sn and Sb of one or two kinds: 0.02 to 0.2% Remaining non-oriented electrical steel sheet having excellent self-cleaning adjusted with Fe and other unavoidable impurities, and a method for manufacturing the same It is about.

본 발명은 철손이 낮고 자속필도과 투자율이 높은 무방향성 전기강판을 제공하므로서, 성에너지 및 정기제품의 효율화를 극대화 할수 있는 효과가 있는 것이다.The present invention is to provide a non-oriented electrical steel sheet having a low iron loss, high magnetic flux and high permeability, thereby maximizing the efficiency of sex energy and regular products.

Description

자성이 우수한 무방향성 전기강판 및 그 제조방법Non-oriented electrical steel sheet having excellent magnetic properties and manufacturing method thereof

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

Claims (4)

중량%로, C : 0.02%아하, Si : 1.0∼3.5%, Mn : 1.0%이하, P : 0.10%, S : 0.01%이하, N : 0.008%이하, Al : 0.7%이하, Ni : 0.05∼1.0%, Cu : 0.02∼0.5% Sn과 Sb중 1종 또는 2종의 합 : 0.02∼0.2% 잔부 Fe 및 기타 불가피한 불순물로 조정되는 자정이 우수한 무방향성전기강판.By weight%, C: 0.02% or less, Si: 1.0 to 3.5%, Mn: 1.0% or less, P: 0.10%, S: 0.01% or less, N: 0.008% or less, Al: 0.7% or less, Ni: 0.05 to 0.05 1.0%, Cu: 0.02-0.5% Sn or Sb One or two sums: 0.02-0.2% Remaining non-oriented electrical steel sheet having excellent self-cleaning adjusted with Fe and other unavoidable impurities. 중량%로, C : 0.02%아하, Si : 1.0∼3.5%, Mn : 1.0%이하, P : 0.10%, S : 0.01%이하, N : 0.008%이하, Al : 0.7%이하, Ni : 0.05∼1.0%, Cu : 0.02∼0.5% Sn과 Sb중 1종 또는 2종의 합 : 0.02∼0.2% 잔부 Fe 및 기타 불가피한 불순물로 조정되는 강슬리보를 열간압연, 열연판소둔, 산세, 1단 냉간압연 혹은 1차 냉간압연하고 중간소둔한후 2차 냉각압연을 실시하는 2단 냉간압연을 실시한후, 냉연판의 고온소둔 및 응력제거 소둔하는 풀리프로세스에 의해 제조되는 것을 특징으로 하는 자정이 우수한 무방향정 전기강판의 제조방법.By weight%, C: 0.02% or less, Si: 1.0 to 3.5%, Mn: 1.0% or less, P: 0.10%, S: 0.01% or less, N: 0.008% or less, Al: 0.7% or less, Ni: 0.05 to 0.05 1.0%, Cu: 0.02 ~ 0.5% Sn or Sb One or two of them: 0.02 ~ 0.2% Residual steel slivers adjusted with Fe and other unavoidable impurities Hot rolled, hot rolled sheet annealed, pickled, cold rolled in one stage Or after the first cold rolling and the intermediate annealing and then the second cold rolling to perform the second cold rolling, after the high temperature annealing and stress relief annealing of the cold rolled sheet is produced by a pulley process excellent in midnight Method of manufacturing electrical steel sheet. 제2항에 있어서, 상기 열연판의 소둔 방식이 700-1000℃ 온도에서 30초∼10분 동안 행하여지는 연속소둔방식임을 특징으로 하는 자정이 우수한 무방향정 전기강판의 제조방법.The method of claim 2, wherein the annealing method of the hot rolled sheet is a continuous annealing method performed for 30 seconds to 10 minutes at a temperature of 700-1000 ℃. 제2항에 있어서, 상기 열연판의 소둔방시이 600-1000℃의 온도에서 30분-10시간동안 행하여지는 상소둔방식임을 특징으로 하는 자정이 우수한 무방향정 전기강판의 제조방법.The method of claim 2, wherein the annealing of the hot rolled sheet is a normal annealing method performed at a temperature of 600-1000 ° C. for 30 minutes to 10 hours. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019910018622A 1991-10-22 1991-10-22 Method and product of manufacturing silicon steel sheet having improved magnetic flux density KR930011406B1 (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
KR1019910018622A KR930011406B1 (en) 1991-10-22 1991-10-22 Method and product of manufacturing silicon steel sheet having improved magnetic flux density
CZ931218A CZ284195B6 (en) 1991-10-22 1992-10-22 Non-oriented electric steel sheets and process for producing thereof
RU9293043462A RU2092605C1 (en) 1991-10-22 1992-10-22 Sheets of isotropic electrotechnical steel and method for their manufacturing
PCT/KR1992/000050 WO1993008313A1 (en) 1991-10-22 1992-10-22 Nonoriented electrical steel sheets with superior magnetic properties, and methods for manufacturing thereof
EP19920922513 EP0567612A4 (en) 1991-10-22 1992-10-22 Nonoriented electrical steel sheets with superior magnetic properties, and methods for manufacturing thereof.
JP50761793A JP2700505B2 (en) 1991-10-22 1992-10-22 Non-oriented electrical steel sheet having excellent magnetic properties and method for producing the same
CN92113058A CN1039352C (en) 1991-10-22 1992-10-22 Unoriented electrical engineering steel plate with good magnetism and manufacture of same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019910018622A KR930011406B1 (en) 1991-10-22 1991-10-22 Method and product of manufacturing silicon steel sheet having improved magnetic flux density

Publications (2)

Publication Number Publication Date
KR930008167A true KR930008167A (en) 1993-05-21
KR930011406B1 KR930011406B1 (en) 1993-12-06

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KR1019910018622A KR930011406B1 (en) 1991-10-22 1991-10-22 Method and product of manufacturing silicon steel sheet having improved magnetic flux density

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100268848B1 (en) * 1996-10-08 2000-10-16 이구택 Non oriented electric steel sheet with low hysterisis after stress removing annealing
KR20010064943A (en) * 1999-12-20 2001-07-11 이구택 A method for manufacturing non grain oriented electrical steel sheet having high magnetic induction
CN113737089A (en) * 2020-05-29 2021-12-03 宝山钢铁股份有限公司 Low-cost and extremely-low-aluminum non-oriented electrical steel plate and manufacturing method thereof

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100268848B1 (en) * 1996-10-08 2000-10-16 이구택 Non oriented electric steel sheet with low hysterisis after stress removing annealing
KR20010064943A (en) * 1999-12-20 2001-07-11 이구택 A method for manufacturing non grain oriented electrical steel sheet having high magnetic induction
CN113737089A (en) * 2020-05-29 2021-12-03 宝山钢铁股份有限公司 Low-cost and extremely-low-aluminum non-oriented electrical steel plate and manufacturing method thereof
CN113737089B (en) * 2020-05-29 2022-07-15 宝山钢铁股份有限公司 Low-cost and extremely-low-aluminum non-oriented electrical steel plate and manufacturing method thereof

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