WO2020085849A8 - Acier non magnétique à haute résistance et ductilité élevée ayant une excellente soudabilité, et son procédé de fabrication - Google Patents

Acier non magnétique à haute résistance et ductilité élevée ayant une excellente soudabilité, et son procédé de fabrication Download PDF

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Publication number
WO2020085849A8
WO2020085849A8 PCT/KR2019/014166 KR2019014166W WO2020085849A8 WO 2020085849 A8 WO2020085849 A8 WO 2020085849A8 KR 2019014166 W KR2019014166 W KR 2019014166W WO 2020085849 A8 WO2020085849 A8 WO 2020085849A8
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WO
WIPO (PCT)
Prior art keywords
ductility
manufacturing
method therefor
nonmagnetic steel
strength
Prior art date
Application number
PCT/KR2019/014166
Other languages
English (en)
Korean (ko)
Other versions
WO2020085849A1 (fr
Inventor
이동호
김성규
이운해
강상덕
한상호
Original Assignee
주식회사 포스코
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 주식회사 포스코 filed Critical 주식회사 포스코
Priority to CN201980068247.8A priority Critical patent/CN112888803A/zh
Priority to EP19875440.0A priority patent/EP3872209A1/fr
Publication of WO2020085849A1 publication Critical patent/WO2020085849A1/fr
Publication of WO2020085849A8 publication Critical patent/WO2020085849A8/fr

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Classifications

    • 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
    • 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
    • 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
    • C21D6/002—Heat treatment of ferrous alloys containing Cr
    • 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
    • C21D6/005—Heat treatment of ferrous alloys containing Mn
    • 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
    • C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • 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
    • C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0205—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips of ferrous alloys
    • 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
    • C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0221—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the working steps
    • C21D8/0226—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
    • C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0247—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment
    • C21D8/0263—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment following 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
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/46—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for sheet metals
    • 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
    • C22C38/02—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
    • C22C38/06—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
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/22—Ferrous alloys, e.g. steel alloys containing chromium with molybdenum or tungsten
    • 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
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/28—Ferrous alloys, e.g. steel alloys containing chromium with 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
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/38—Ferrous alloys, e.g. steel alloys containing chromium with more than 1.5% by weight of manganese
    • 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
    • C21D2211/00—Microstructure comprising significant phases
    • C21D2211/001—Austenite

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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)
  • Heat Treatment Of Steel (AREA)

Abstract

La présente invention concerne un acier non magnétique qui peut être utilisé de manière appropriée pour des composants dans lesquels un courant de Foucault survient, tel qu'une carte de distribution et un transformateur et, plus spécifiquement, un acier non magnétique ayant d'excellentes résistance, ductilité et soudabilité, et son procédé de fabrication.
PCT/KR2019/014166 2018-10-25 2019-10-25 Acier non magnétique à haute résistance et ductilité élevée ayant une excellente soudabilité, et son procédé de fabrication WO2020085849A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201980068247.8A CN112888803A (zh) 2018-10-25 2019-10-25 焊接性优良的高强度、高延性、非磁性钢材及其制造方法
EP19875440.0A EP3872209A1 (fr) 2018-10-25 2019-10-25 Acier non magnétique à haute résistance et ductilité élevée ayant une excellente soudabilité, et son procédé de fabrication

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020180128433A KR102119962B1 (ko) 2018-10-25 2018-10-25 용접성이 우수한 고강도 및 고연성 비자성 강재 및 이의 제조방법
KR10-2018-0128433 2018-10-25

Publications (2)

Publication Number Publication Date
WO2020085849A1 WO2020085849A1 (fr) 2020-04-30
WO2020085849A8 true WO2020085849A8 (fr) 2020-10-08

Family

ID=70331661

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2019/014166 WO2020085849A1 (fr) 2018-10-25 2019-10-25 Acier non magnétique à haute résistance et ductilité élevée ayant une excellente soudabilité, et son procédé de fabrication

Country Status (4)

Country Link
EP (1) EP3872209A1 (fr)
KR (1) KR102119962B1 (fr)
CN (1) CN112888803A (fr)
WO (1) WO2020085849A1 (fr)

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5481119A (en) * 1977-12-12 1979-06-28 Sumitomo Metal Ind Ltd Nonmagnetic steel excellent in machinability
JPS55110757A (en) * 1979-02-16 1980-08-26 Daido Steel Co Ltd High strength, nonmagnetic, high manganese steel
JPS5942068B2 (ja) * 1981-06-01 1984-10-12 川崎製鉄株式会社 極低温用高マンガン非磁性鋼
JPS621823A (ja) * 1985-06-25 1987-01-07 Kobe Steel Ltd 被削性にすぐれた高Ｍｎ非磁性鋼の製造方法
JPH02104633A (ja) * 1989-07-28 1990-04-17 Daido Steel Co Ltd 高強度非磁性高マンガン鋼
JPH0742549B2 (ja) * 1990-09-28 1995-05-10 新日本製鐵株式会社 リニアモーターカー鋼橋用高Ｍｎ非磁性鋼
JP3182995B2 (ja) * 1993-10-15 2001-07-03 株式会社神戸製鋼所 耐応力腐食割れ性および機械的性質の優れた高Ｍｎ非磁性鋼
JP4529872B2 (ja) * 2005-11-04 2010-08-25 住友金属工業株式会社 高Ｍｎ鋼材及びその製造方法
KR100985286B1 (ko) * 2007-12-28 2010-10-04 주식회사 포스코 내지연파괴 특성이 우수한 고강도 고망간강 및 제조방법
ES2455222T5 (es) * 2010-07-02 2018-03-05 Thyssenkrupp Steel Europe Ag Acero de resistencia superior, conformable en frío y producto plano de acero compuesto de un acero de este tipo
JP2013023742A (ja) * 2011-07-22 2013-02-04 Kobe Steel Ltd 非磁性鋼線材又は棒鋼
US20150211088A1 (en) * 2011-12-23 2015-07-30 Posco Non-magnetic high manganese steel sheet with high strength and manufacturing method thereof
KR20160078840A (ko) * 2014-12-24 2016-07-05 주식회사 포스코 항복 강도 및 성형성이 우수한 고강도 고망간강 및 그 제조방법
JP6693217B2 (ja) * 2015-04-02 2020-05-13 日本製鉄株式会社 極低温用高Ｍｎ鋼材

Also Published As

Publication number Publication date
CN112888803A (zh) 2021-06-01
KR20200046799A (ko) 2020-05-07
EP3872209A4 (fr) 2021-09-01
EP3872209A1 (fr) 2021-09-01
WO2020085849A1 (fr) 2020-04-30
KR102119962B1 (ko) 2020-06-05

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