KR950014328A - Method for manufacturing non-oriented electrical steel sheet having excellent high frequency magnetic characteristics - Google Patents

Method for manufacturing non-oriented electrical steel sheet having excellent high frequency magnetic characteristics

Info

Publication number
KR950014328A
KR950014328A KR1019930023734A KR930023734A KR950014328A KR 950014328 A KR950014328 A KR 950014328A KR 1019930023734 A KR1019930023734 A KR 1019930023734A KR 930023734 A KR930023734 A KR 930023734A KR 950014328 A KR950014328 A KR 950014328A
Authority
KR
South Korea
Prior art keywords
less
steel sheet
oriented electrical
electrical steel
high frequency
Prior art date
Application number
KR1019930023734A
Other languages
Korean (ko)
Other versions
KR960005226B1 (en
Inventor
박종태
박래은
우종수
Original Assignee
조말수
포항종합제철 주식회사
백덕현
재단법인산업과학기술연구소
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 조말수, 포항종합제철 주식회사, 백덕현, 재단법인산업과학기술연구소 filed Critical 조말수
Priority to KR1019930023734A priority Critical patent/KR960005226B1/en
Publication of KR950014328A publication Critical patent/KR950014328A/en
Application granted granted Critical
Publication of KR960005226B1 publication Critical patent/KR960005226B1/en

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Classifications

    • 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
    • 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
    • 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

Landscapes

  • 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 Sn은 첨가하고, 슬라브의 재가열온도를 적절히 제어하여, 고주파 자기특성이 우수한 무방향성 전기강판을 제조하는 방법을 제공하고자 하는데 그 목적이 있다.It is an object of the present invention to provide a method for manufacturing a non-oriented electrical steel sheet having excellent high frequency magnetic properties by adding Sn and controlling the reheating temperature of the slab appropriately.

본 발명은 중량%로 C : 0.040% 이하, Si : 2-7%, Al : 0.2-1.5%, Mn : 0.1-1.5%, S : 0.01%이하, N : 0.01%이하, O : 0.01%이하, 나머지 Fe 및 기타불가피한 불순물로 조성된 규소강 슬라브를 재가열하여 열간압연한 후, 열연판 소둔처리하여, 최종두께까지 1회 또는 2회 냉간 압연하고, 최종 소둔처리하는 무방향성 전기강판의 제조방법에 있어서, 상기 슬라브에, 0.01-0.4중량%의 Sn이 첨가되고, 상기 재가열온도가 1000-1200℃인 것을 특징으로 하는 고주파 자기특성이 우수한 무방향성 전기강판의 제조방법에 관한 것을 그 요지로 한다.In the present invention, C: 0.040% or less, Si: 2-7%, Al: 0.2-1.5%, Mn: 0.1-1.5%, S: 0.01% or less, N: 0.01% or less, O: 0.01% or less And reheating the silicon steel slab composed of the remaining Fe and other unavoidable impurities, followed by hot rolling, followed by hot roll annealing, cold rolling once or twice to the final thickness, and final annealing treatment. In the slab, 0.01-0.4% by weight of Sn is added, and the reheating temperature is 1000-1200 ℃, the gist of the method for producing a non-oriented electrical steel sheet having excellent high-frequency magnetic properties, the summary. .

본 발명은 고주파 영역에서 자기 특성이 보다 우수한 철심재료를 얻게 되며, 전기기기의 효율을 높일 수 있을 뿐만 아니라, 기기의 크기도 소형화시킬 수 있는 효과가 있다.The present invention obtains an iron core material having better magnetic properties in the high frequency region, and can increase the efficiency of the electric device and reduce the size of the device.

Description

고주파 자기특성이 우수한 무방향성 전기강판의 제조방법Method for manufacturing non-oriented electrical steel sheet having excellent high frequency magnetic characteristics

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

Claims (1)

중량 %로 C:0.040% 이하, Si:2-7%, Al:0.2-1.5%, Mn:0.1-1.5%, S:0.01% 이하, N:0.01% 이하, O : 0.01%이하, 나머지 Fe 및 기타 불가피한 불순물로 조성된 규소강 슬라브를 재가열하여 열간압연한 후, 열연판 소둔처리하여, 최종두께까지 1회 또는 2회 냉간압연하고, 최종 소둔처리하는 무방향성 전기강판의 제조방법에 있어서, 상기 슬라브에, 0.01-0.4중량%의 Sn이 첨가되고, 상기 재가열온도가 1000-1200℃인 것을 특징으로 하는 고주파 자기특성이 우수한 무방향성 전기강판의 제조방법.% By weight C: 0.040% or less, Si: 2-7%, Al: 0.2-1.5%, Mn: 0.1-1.5%, S: 0.01% or less, N: 0.01% or less, O: 0.01% or less, remaining Fe And a method of manufacturing a non-oriented electrical steel sheet in which a silicon steel slab composed of other unavoidable impurities is reheated and hot rolled, followed by hot rolling annealing, cold rolling once or twice to a final thickness, and final annealing. 0.01-0.4 wt% Sn is added to the slab, and the reheating temperature is 1000-1200 ° C. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019930023734A 1993-11-09 1993-11-09 Making method of non-oriented electro magnetic steel plates with excellent magnetic characteristic KR960005226B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019930023734A KR960005226B1 (en) 1993-11-09 1993-11-09 Making method of non-oriented electro magnetic steel plates with excellent magnetic characteristic

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019930023734A KR960005226B1 (en) 1993-11-09 1993-11-09 Making method of non-oriented electro magnetic steel plates with excellent magnetic characteristic

Publications (2)

Publication Number Publication Date
KR950014328A true KR950014328A (en) 1995-06-15
KR960005226B1 KR960005226B1 (en) 1996-04-23

Family

ID=19367661

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019930023734A KR960005226B1 (en) 1993-11-09 1993-11-09 Making method of non-oriented electro magnetic steel plates with excellent magnetic characteristic

Country Status (1)

Country Link
KR (1) KR960005226B1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100237157B1 (en) * 1995-12-14 2000-01-15 이구택 The manufacturing method for non orient electric steel sheet with excellent high frequency property
KR100544417B1 (en) * 1998-12-16 2006-04-06 주식회사 포스코 Method for manufacturing non-oriented electrical steel sheet with excellent magnetic properties

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100237157B1 (en) * 1995-12-14 2000-01-15 이구택 The manufacturing method for non orient electric steel sheet with excellent high frequency property
KR100544417B1 (en) * 1998-12-16 2006-04-06 주식회사 포스코 Method for manufacturing non-oriented electrical steel sheet with excellent magnetic properties

Also Published As

Publication number Publication date
KR960005226B1 (en) 1996-04-23

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