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WO2017111548A8 - 무방향성 전기강판 및 그 제조방법 - Google Patents

무방향성 전기강판 및 그 제조방법 Download PDF

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Publication number
WO2017111548A8
WO2017111548A8 PCT/KR2016/015225 KR2016015225W WO2017111548A8 WO 2017111548 A8 WO2017111548 A8 WO 2017111548A8 KR 2016015225 W KR2016015225 W KR 2016015225W WO 2017111548 A8 WO2017111548 A8 WO 2017111548A8
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Prior art keywords
steel sheet
electrical steel
oriented electrical
manufacturing
same
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Ceased
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PCT/KR2016/015225
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English (en)
French (fr)
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WO2017111548A1 (ko
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이현주
김용수
신수용
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Posco Holdings Inc
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Posco Co Ltd
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Priority to US16/065,494 priority Critical patent/US20190017135A1/en
Priority to JP2018533058A priority patent/JP7026620B2/ja
Priority to CN201680076278.4A priority patent/CN108474078A/zh
Publication of WO2017111548A1 publication Critical patent/WO2017111548A1/ko
Publication of WO2017111548A8 publication Critical patent/WO2017111548A8/ko
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • C21D8/1244—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
    • 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
    • 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
    • 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
    • C22C38/001—Ferrous alloys, e.g. steel alloys containing N
    • 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
    • C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
    • 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
    • C22C38/004—Very low carbon steels, i.e. having a carbon content of less than 0,01%
    • 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
    • C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
    • 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
    • C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
    • 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
    • C22C38/12—Ferrous alloys, e.g. steel alloys containing tungsten, tantalum, molybdenum, vanadium, or niobium
    • 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
    • C22C38/14—Ferrous alloys, e.g. steel alloys containing titanium or zirconium
    • 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
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/24—Ferrous alloys, e.g. steel alloys containing chromium with vanadium
    • 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
    • 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
    • C21D8/1222—Hot 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
    • 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

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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)
  • Electromagnetism (AREA)
  • Manufacturing & Machinery (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Soft Magnetic Materials (AREA)
  • Manufacturing Of Steel Electrode Plates (AREA)

Abstract

본 발명의 일 실시예에 의한 무방향성 전기강판은 중량%로, Si : 2.5 내지 3.3%, Al : 0.05 내지 1%, Mn : 0.05 내지 1%, S : 0.01%이하(0%를 포함하지 않는다), N : 0.005%이하(0%를 포함하지 않는다), C : 0.005% 이하(0%를 포함하지 않는다), Ti : 0.005% 이하(0%를 포함하지 않는다), Nb : 0.005% 이하(0%를 포함하지 않는다), P : 0.001 내지 0.1%, Sn : 0.001 내지 0.1%, 및 Sb : 0.001 내지 0.1%를 포함하고, 잔부는 Fe 및 불가피한 불순물을 포함하고, 하기 식 1 내지 식 3를 만족한다. [식 1] 1.7 ≤ [Si]/([Al] + [Mn]) ≤ 2.9 [식 2] 50 ≤ 13.25+11.3*([Si]+[Al]+[Mn]/2) ≤ 60, [식 3] 0.025 ≤ [P]+[Sn]+[Sb] ≤ 0.15 (단, 식 1 내지 식 3에서 [Si], [Al], [Mn], [P], [Sn] 및 [Sb]은 각각 Si, Al, Mn, P, Sn 및 Sb의 함량(중량%)을 나타낸다.)
PCT/KR2016/015225 2015-12-23 2016-12-23 무방향성 전기강판 및 그 제조방법 Ceased WO2017111548A1 (ko)

Priority Applications (3)

Application Number Priority Date Filing Date Title
US16/065,494 US20190017135A1 (en) 2015-12-23 2016-12-23 Non-oriented electrical steel sheet and method for manufacturing the same
JP2018533058A JP7026620B2 (ja) 2015-12-23 2016-12-23 無方向性電磁鋼板及びその製造方法
CN201680076278.4A CN108474078A (zh) 2015-12-23 2016-12-23 无取向电工钢板及其制造方法

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2015-0185427 2015-12-23
KR1020150185427A KR101701194B1 (ko) 2015-12-23 2015-12-23 무방향성 전기강판 및 그 제조방법

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WO2017111548A1 WO2017111548A1 (ko) 2017-06-29
WO2017111548A8 true WO2017111548A8 (ko) 2017-08-10

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Country Status (5)

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US (1) US20190017135A1 (ko)
JP (1) JP7026620B2 (ko)
KR (1) KR101701194B1 (ko)
CN (1) CN108474078A (ko)
WO (1) WO2017111548A1 (ko)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11408041B2 (en) 2017-12-26 2022-08-09 Posco Non-oriented electrical steel sheet and method for producing same

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KR102043289B1 (ko) * 2017-12-26 2019-11-12 주식회사 포스코 무방향성 전기강판 및 그 제조방법
KR102026271B1 (ko) * 2017-12-26 2019-09-27 주식회사 포스코 무방향성 전기강판 및 그 제조방법
KR102018181B1 (ko) 2017-12-26 2019-09-04 주식회사 포스코 무방향성 전기강판 및 그 제조방법
KR102175065B1 (ko) * 2018-11-30 2020-11-05 주식회사 포스코 무방향성 전기강판 및 그 제조방법
CN112430775A (zh) 2019-08-26 2021-03-02 宝山钢铁股份有限公司 一种磁性能优良的高强度无取向电工钢板及其制造方法
CN114729415B (zh) * 2019-11-12 2024-02-13 Lg电子株式会社 无取向电钢板及其制造方法
KR102297751B1 (ko) * 2019-12-18 2021-09-02 주식회사 포스코 무방향성 전기강판 및 그 제조방법
KR102325005B1 (ko) * 2019-12-20 2021-11-11 주식회사 포스코 무방향성 전기강판 및 그 제조방법
KR102493776B1 (ko) * 2020-12-21 2023-01-31 주식회사 포스코 무방향성 전기강판 및 그 제조방법
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KR20230023103A (ko) * 2021-08-09 2023-02-17 주식회사 포스코 무방향성 전기강판 및 그 제조 방법
CN114058953B (zh) * 2021-10-25 2022-10-14 马鞍山钢铁股份有限公司 一种适宜缠绕式加工的低铁损无取向硅钢及其生产方法
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11408041B2 (en) 2017-12-26 2022-08-09 Posco Non-oriented electrical steel sheet and method for producing same

Also Published As

Publication number Publication date
JP7026620B2 (ja) 2022-02-28
KR101701194B1 (ko) 2017-02-01
US20190017135A1 (en) 2019-01-17
JP2019507243A (ja) 2019-03-14
CN108474078A (zh) 2018-08-31
WO2017111548A1 (ko) 2017-06-29

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