KR970043173A - Manufacturing method of non-oriented electrical steel sheet with excellent high frequency characteristics - Google Patents

Manufacturing method of non-oriented electrical steel sheet with excellent high frequency characteristics Download PDF

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Publication number
KR970043173A
KR970043173A KR1019950049718A KR19950049718A KR970043173A KR 970043173 A KR970043173 A KR 970043173A KR 1019950049718 A KR1019950049718 A KR 1019950049718A KR 19950049718 A KR19950049718 A KR 19950049718A KR 970043173 A KR970043173 A KR 970043173A
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KR
South Korea
Prior art keywords
less
steel sheet
oriented electrical
electrical steel
high frequency
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Application number
KR1019950049718A
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Korean (ko)
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KR100237157B1 (en
Inventor
박종태
김병구
Original Assignee
김종진
포항종합제철 주식회사
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Application filed by 김종진, 포항종합제철 주식회사 filed Critical 김종진
Priority to KR1019950049718A priority Critical patent/KR100237157B1/en
Publication of KR970043173A publication Critical patent/KR970043173A/en
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Publication of KR100237157B1 publication Critical patent/KR100237157B1/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
    • C21D8/1216—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties the working step(s) being of interest
    • C21D8/1233—Cold rolling
    • 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
    • C21D8/1272—Final recrystallisation annealing
    • 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

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

Abstract

고주파 특성이 우수한 박물 무방향성 전기강판을 제조함에 있어서, 탄소:0.040% 이하, 규소:2.0-0.7%, 알루미늄:0.1-1.5%, 망간:0.1-2.0%, 황:0.010% 이하, 질소:0.010% 이하, 산소:0.010% 이하, 나머지 철 및 불가피하게 함유되는 불순물로 이루어지는 규소강 슬라브를 열간압연, 열연판소둔, 최종 두께까지 중간소둔을 포함하여 2회 냉간압연하고, 최종 소둔하되 주석을 0.01-0.40% 첨가하고 슬라브 재가열 온도를 1000-1200℃, 2차 냉간압연율을 30-75%로 하고, 최종 소둔온도를 850-950℃로 하는 것을 특징으로 하는 고주파 특성이 우수한 박물 무방향성 전기강판의 제조방법.In producing thin non-oriented electrical steel sheet having excellent high frequency characteristics, carbon: 0.040% or less, silicon: 2.0-0.7%, aluminum: 0.1-1.5%, manganese: 0.1-2.0%, sulfur: 0.010% or less, nitrogen: 0.010 Silicon steel slab consisting of% or less, oxygen: 0.010% or less, remaining iron and inevitably contained impurities, cold-rolled twice, including hot-rolled, hot-rolled sheet annealing, and intermediate annealing to final thickness. The non-oriented electrical steel sheet having excellent high frequency characteristics, characterized by adding -0.40%, slab reheating temperature of 1000-1200 ° C, secondary cold rolling rate of 30-75%, and final annealing temperature of 850-950 ° C. Manufacturing method.

Description

고주파 특성이 우수한 박물 무방향성 전기강판의 제조방법Manufacturing method of non-oriented electrical steel sheet with excellent high frequency characteristics

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

Claims (1)

고주파 특성이 우수한 박물 무방향성 전기강판을 제조함에 있어서, 중량%로 탄소:0.040% 이하, 규소:2.0-0.7%, 알루미늄:0.1-1.5%, 망간:0.1-2.0%, 황:0.010% 이하, 질소:0.010% 이하, 산소:0.010% 이하, 나머지 철 및 불가피하게 함유되는 불순물로 이루어지는 규소강 슬라브를 열간압연, 열연판소둔, 최종 두께까지 중간소둔을 포함하여 2회 냉간압연하고, 최종 소둔하되 주석을 0.01-0.40% 첨가하고 슬라브 재가열 온도를 1000℃-1200℃, 2차 냉간압연율을 30-75%로 하고, 최종 소둔온도를 850℃-950℃로 하는 것을 특징으로 하는 고주파 특성이 우수한 박물 무방향성 전기강판의 제조방법In manufacturing a thin non-oriented electrical steel sheet having excellent high frequency characteristics, carbon: 0.040% or less by weight, silicon: 2.0-0.7%, aluminum: 0.1-1.5%, manganese: 0.1-2.0%, sulfur: 0.010% or less, A silicon steel slab consisting of nitrogen: 0.010% or less, oxygen: 0.010% or less, remaining iron and inevitably contained impurities is cold rolled twice, including hot rolling, hot roll annealing, and intermediate annealing to the final thickness. 0.01-0.40% tin is added, the slab reheating temperature is 1000 ° C-1200 ° C, the secondary cold rolling rate is 30-75%, and the final annealing temperature is 850 ° C-950 ° C. Manufacturing method of non-oriented electrical steel sheet
KR1019950049718A 1995-12-14 1995-12-14 The manufacturing method for non orient electric steel sheet with excellent high frequency property KR100237157B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019950049718A KR100237157B1 (en) 1995-12-14 1995-12-14 The manufacturing method for non orient electric steel sheet with excellent high frequency property

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019950049718A KR100237157B1 (en) 1995-12-14 1995-12-14 The manufacturing method for non orient electric steel sheet with excellent high frequency property

Publications (2)

Publication Number Publication Date
KR970043173A true KR970043173A (en) 1997-07-26
KR100237157B1 KR100237157B1 (en) 2000-01-15

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KR1019950049718A KR100237157B1 (en) 1995-12-14 1995-12-14 The manufacturing method for non orient electric steel sheet with excellent high frequency property

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KR (1) KR100237157B1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11162155B2 (en) 2016-12-20 2021-11-02 Posco Non-oriented electrical steel sheet and method for producing same
US11486019B2 (en) 2017-12-26 2022-11-01 Posco Non-oriented electrical steel sheet and manufacturing method therefor

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR960005226B1 (en) * 1993-11-09 1996-04-23 포항종합제철주식회사 Making method of non-oriented electro magnetic steel plates with excellent magnetic characteristic

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11162155B2 (en) 2016-12-20 2021-11-02 Posco Non-oriented electrical steel sheet and method for producing same
US11486019B2 (en) 2017-12-26 2022-11-01 Posco Non-oriented electrical steel sheet and manufacturing method therefor

Also Published As

Publication number Publication date
KR100237157B1 (en) 2000-01-15

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